From 8adeea06068a4fdd995601405593d752990fd139 Mon Sep 17 00:00:00 2001
From: evilbeast <houshao55@gmail.com>
Date: Sat, 6 Jul 2019 12:45:48 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0virtualTileBox=E9=A1=B9?=
 =?UTF-8?q?=E7=9B=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../themes/default/virtualbox/icon.png        | Bin 0 -> 767 bytes
 .../themes/default/virtualbox/item.xml        |  16 +
 .../themes/default/virtualbox/main.xml        |  88 +++
 samples/samples.sln                           |  17 +-
 samples/virtualbox/Resource.h                 |  31 +
 samples/virtualbox/VirtualTileBox.cpp         | 545 ++++++++++++++++++
 samples/virtualbox/VirtualTileBox.h           | 203 +++++++
 samples/virtualbox/item.cpp                   |  47 ++
 samples/virtualbox/item.h                     |  24 +
 samples/virtualbox/main.cpp                   |  69 +++
 samples/virtualbox/main.h                     |  23 +
 samples/virtualbox/main_form.cpp              | 105 ++++
 samples/virtualbox/main_form.h                |  49 ++
 samples/virtualbox/provider.cpp               |  89 +++
 samples/virtualbox/provider.h                 |  44 ++
 samples/virtualbox/small.ico                  | Bin 0 -> 2998 bytes
 samples/virtualbox/stdafx.cpp                 |   8 +
 samples/virtualbox/stdafx.h                   |  30 +
 samples/virtualbox/targetver.h                |   8 +
 samples/virtualbox/virtualbox.filters         |  58 ++
 samples/virtualbox/virtualbox.ico             | Bin 0 -> 2998 bytes
 samples/virtualbox/virtualbox.rc              | Bin 0 -> 6580 bytes
 samples/virtualbox/virtualbox.vcxproj         | 130 +++++
 23 files changed, 1580 insertions(+), 4 deletions(-)
 create mode 100644 bin/resources/themes/default/virtualbox/icon.png
 create mode 100644 bin/resources/themes/default/virtualbox/item.xml
 create mode 100644 bin/resources/themes/default/virtualbox/main.xml
 create mode 100644 samples/virtualbox/Resource.h
 create mode 100644 samples/virtualbox/VirtualTileBox.cpp
 create mode 100644 samples/virtualbox/VirtualTileBox.h
 create mode 100644 samples/virtualbox/item.cpp
 create mode 100644 samples/virtualbox/item.h
 create mode 100644 samples/virtualbox/main.cpp
 create mode 100644 samples/virtualbox/main.h
 create mode 100644 samples/virtualbox/main_form.cpp
 create mode 100644 samples/virtualbox/main_form.h
 create mode 100644 samples/virtualbox/provider.cpp
 create mode 100644 samples/virtualbox/provider.h
 create mode 100644 samples/virtualbox/small.ico
 create mode 100644 samples/virtualbox/stdafx.cpp
 create mode 100644 samples/virtualbox/stdafx.h
 create mode 100644 samples/virtualbox/targetver.h
 create mode 100644 samples/virtualbox/virtualbox.filters
 create mode 100644 samples/virtualbox/virtualbox.ico
 create mode 100644 samples/virtualbox/virtualbox.rc
 create mode 100644 samples/virtualbox/virtualbox.vcxproj

diff --git a/bin/resources/themes/default/virtualbox/icon.png b/bin/resources/themes/default/virtualbox/icon.png
new file mode 100644
index 0000000000000000000000000000000000000000..68bb6ab1f4a8628f8e3709d8d7e425b12e7e0891
GIT binary patch
literal 767
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zmcpEUChf7$rgLGA!N|03o1*pEEQPu6)Hdbq8Z*P(Dfw0a#M+Ckqi;UpSg7EYXRd^0
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x2i+7T{y;igc+kySb)NdKu5TrHs%)iu`3*<|pHBr@*ZKee002ovPDHLkV1n)9TYdll

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HcmV?d00001

diff --git a/bin/resources/themes/default/virtualbox/item.xml b/bin/resources/themes/default/virtualbox/item.xml
new file mode 100644
index 00000000..66293a5b
--- /dev/null
+++ b/bin/resources/themes/default/virtualbox/item.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Window>
+  <ListContainerElement class="listitem">
+    <HBox mouse="false" padding="10,5,10,5">
+      <Control name="control_img" width="auto" height="auto" margin="0,0,10,0" mouse="false"/>
+      <VBox margin="0,3,0,5" mouse="false">
+        <HBox height="auto" mouse="false">
+          <Label name="label_title" width="stretch" mouse="false"/>
+          <Button class="btn_recycle" name="btn_del" width="auto" height="auto"/>
+        </HBox>
+        <Control height="stretch" mouse="false"/>
+        <Progress class="progress_blue" name="progress" value="30" mouse="false"/>
+      </VBox>
+    </HBox>
+  </ListContainerElement>
+</Window>
\ No newline at end of file
diff --git a/bin/resources/themes/default/virtualbox/main.xml b/bin/resources/themes/default/virtualbox/main.xml
new file mode 100644
index 00000000..92c4c28b
--- /dev/null
+++ b/bin/resources/themes/default/virtualbox/main.xml
@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Window size="1200,800" caption="0,0,0,35">
+  <VBox bkcolor="bk_wnd_darkcolor">
+    <HBox width="stretch" height="35" bkcolor="bk_wnd_lightcolor">
+      <Label text="TileBox数据懒加载实现" font="system_14" valign="center" margin="8"/>
+      <Control />
+      <Button class="btn_wnd_min" name="minbtn" margin="4,6,0,0"/>
+      <Box width="21" margin="4,6,0,0">
+        <Button class="btn_wnd_max" name="maxbtn"/>
+        <Button class="btn_wnd_restore" name="restorebtn" visible="false"/>
+      </Box>
+      <Button class="btn_wnd_close" name="closebtn" margin="4,6,8,0"/>
+    </HBox>
+    <HBox childmargin="5" bkcolor="white" padding="5,5,5,10">
+      <VBox width="300" bordersize="1" bordercolor="splitline_level2" padding="5,10,5,10" childmargin="10">
+        <HBox height="30" childmargin="10">
+            <Label font="system_bold_14" text="列设置:"  width="auto" height="auto" valign="center" />
+            <Option class="circle_option_2" name="option_column_auto" group="option_group" text="自动计算" margin="0,5,0,10" selected="true"/>
+            <Option class="circle_option_2" name="option_column_fix"  group="option_group" text="固定列数" margin="0,5,0,10">
+                <Event type="select" receiver="box_column_op" applyattribute="visible=&quot;true&quot;" />
+                <Event type="unselect" receiver="box_column_op" applyattribute="visible=&quot;false&quot;" />
+            </Option>
+        </HBox>
+        
+        <HBox name="box_column_op" height="30" childmargin="10" visible="false">
+            <Control width="45" />
+            <Box bordersize="1" bordercolor="splitline_level1" width="80"  height="26">
+                <RichEdit name="edit_column" margin="10,0,10,0"  font="system_14" width="stretch" height="auto" valign="center" normaltextcolor="black" multiline="false" promptmode="true" prompttext="列数" align="vcenter,hcenter" text="3" promptcolor="splitline_level1" autohscroll="true" />                  
+            </Box>
+            <CheckBox class="checkbox_font12" name="checkbox_item_center" text="列表居中" margin="0,5,0,10" selected="true" />            
+        </HBox>     
+        <Control height="1" bkcolor="splitline_level2" />
+        <HBox height="30" childmargin="10">
+            <Label font="system_bold_14" text="子项间隙:"  width="auto" height="auto" valign="center" />
+            <Box bordersize="1" bordercolor="splitline_level1" width="80"  height="26">
+                <RichEdit name="edit_child_margin" margin="10,0,10,0"  font="system_14" width="stretch" height="auto" valign="center" normaltextcolor="black" multiline="false" promptmode="true" prompttext="子项间隙" align="vcenter,hcenter" text="" promptcolor="splitline_level1" autohscroll="true" />                  
+            </Box>           
+        </HBox>          
+        <HBox height="30" childmargin="10">
+            <Label font="system_bold_14" text="总数据:"  width="auto" height="auto" valign="center" />
+            <Box bordersize="1" bordercolor="splitline_level1" width="180" >
+                <RichEdit name="edit_total" margin="10,0,10,0"  font="system_14" width="stretch" height="auto" valign="center" normaltextcolor="black" multiline="false" promptmode="true" prompttext="总数据" promptcolor="splitline_level1" autohscroll="true"  />                    
+            </Box>
+           
+        </HBox>
+        
+        <Box height="30" childmargin="10" width="stretch">
+            <Button class="btn_global_blue_80x30" halign="center" valign="center" name="btn_set_total" text="更改/设置" />
+        </Box>
+        
+        <Control height="1" bkcolor="splitline_level2" />
+        
+        <HBox height="30" childmargin="10">
+            <Label font="system_bold_14" text="改变数据:"  width="auto" height="auto" valign="center" />
+            <Box bordersize="1" bordercolor="splitline_level1" height="26">
+                <RichEdit name="edit_update" margin="10,0,10,0"  font="system_14" width="stretch" height="auto" valign="center" normaltextcolor="black" multiline="false" promptmode="true" prompttext="序号(下标1)" promptcolor="splitline_level1" autohscroll="true" align="vcenter,hcenter" />                  
+            </Box>
+            <Box bordersize="1" bordercolor="splitline_level1" height="26">
+                <RichEdit name="edit_task_name" margin="10,0,10,0"  font="system_14" width="stretch" height="auto" valign="center" normaltextcolor="black" multiline="false" promptmode="true" prompttext="新的任务名称" promptcolor="splitline_level1" autohscroll="true" />                  
+            </Box>           
+        </HBox>         
+
+        
+        <Box height="30" childmargin="10" width="stretch">
+            <Button class="btn_global_blue_80x30" halign="center" valign="center" name="btn_update" text="更新数据" />
+        </Box>
+        
+        <Control height="1" bkcolor="splitline_level2" />        
+
+        <HBox height="30" childmargin="10">
+            <Label font="system_bold_14" text="删除数据:"  width="auto" height="auto" valign="center" />
+            <Box bordersize="1" bordercolor="splitline_level1" >
+                <RichEdit name="edit_delete" margin="10,0,10,0"  font="system_14" width="stretch" height="auto" valign="center" normaltextcolor="black" multiline="false" promptmode="true" prompttext="序号(下标1)" promptcolor="splitline_level1" autohscroll="true" align="vcenter,hcenter" />                    
+            </Box>   
+            <Button class="btn_global_red_80x30" halign="center" valign="center" name="btn_delete" text="删除数据" />            
+        </HBox>
+        
+        
+      </VBox>
+      <!--column="3" width="auto" halign="center" childmargin="10" -->
+      <Box>
+          <VirtualTileBox class="list" name="list"  vscrollunit="70" itemsize="220,60" bordersize="1" bordercolor="splitline_level2" padding="1,1,1,1">
+          </VirtualTileBox>      
+      </Box>
+
+    </HBox>
+  </VBox>
+</Window>
\ No newline at end of file
diff --git a/samples/samples.sln b/samples/samples.sln
index 8eb580a3..b6b79bde 100644
--- a/samples/samples.sln
+++ b/samples/samples.sln
@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 2013
-VisualStudioVersion = 12.0.40629.0
+VisualStudioVersion = 12.0.21005.1
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tool_kits", "tool_kits", "{66F85B8F-11B7-4964-B51E-99DF85D8FE00}"
 EndProject
@@ -31,6 +31,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libcef_dll_wrapper", "..\th
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "controls", "controls\controls.vcxproj", "{8BD95440-9000-4745-8011-27DD553EF06F}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "VirtualBox", "VirtualBox\VirtualBox.vcxproj", "{E35589C6-9509-4116-996F-1D045C2DACAE}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
@@ -127,6 +129,12 @@ Global
 		{8BD95440-9000-4745-8011-27DD553EF06F}.Release|Win32.Build.0 = Release|Win32
 		{8BD95440-9000-4745-8011-27DD553EF06F}.Release|x64.ActiveCfg = Release|x64
 		{8BD95440-9000-4745-8011-27DD553EF06F}.Release|x64.Build.0 = Release|x64
+		{E35589C6-9509-4116-996F-1D045C2DACAE}.Debug|Win32.ActiveCfg = Debug|Win32
+		{E35589C6-9509-4116-996F-1D045C2DACAE}.Debug|Win32.Build.0 = Debug|Win32
+		{E35589C6-9509-4116-996F-1D045C2DACAE}.Debug|x64.ActiveCfg = Debug|Win32
+		{E35589C6-9509-4116-996F-1D045C2DACAE}.Release|Win32.ActiveCfg = Release|Win32
+		{E35589C6-9509-4116-996F-1D045C2DACAE}.Release|Win32.Build.0 = Release|Win32
+		{E35589C6-9509-4116-996F-1D045C2DACAE}.Release|x64.ActiveCfg = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -134,15 +142,16 @@ Global
 	GlobalSection(NestedProjects) = preSolution
 		{E106ACD7-4E53-4AEE-942B-D0DD426DB34E} = {66F85B8F-11B7-4964-B51E-99DF85D8FE00}
 		{8D9A6595-717A-41C8-B468-0011A72BE3D1} = {66F85B8F-11B7-4964-B51E-99DF85D8FE00}
+		{9951345F-620B-4BED-BB51-4F928CAFD454} = {66F85B8F-11B7-4964-B51E-99DF85D8FE00}
+		{0149BA6E-3C0A-426D-AA0A-0B9EC7742F19} = {66F85B8F-11B7-4964-B51E-99DF85D8FE00}
 		{F1A9371F-9A34-45A0-98EB-83FF371F067F} = {B2087994-3DF6-4A57-B8C6-6F744520D7FA}
 		{2BFFA1EE-039D-479E-9BCC-2D12F8AEDD16} = {B2087994-3DF6-4A57-B8C6-6F744520D7FA}
 		{B8588C07-9CE2-456C-83B1-86E4B65D4108} = {B2087994-3DF6-4A57-B8C6-6F744520D7FA}
 		{878F5BF0-652A-4FDB-992B-BB7F26D62F0D} = {B2087994-3DF6-4A57-B8C6-6F744520D7FA}
 		{FDB5539F-1060-4975-B603-B66454C8C897} = {B2087994-3DF6-4A57-B8C6-6F744520D7FA}
-		{9951345F-620B-4BED-BB51-4F928CAFD454} = {66F85B8F-11B7-4964-B51E-99DF85D8FE00}
-		{0149BA6E-3C0A-426D-AA0A-0B9EC7742F19} = {66F85B8F-11B7-4964-B51E-99DF85D8FE00}
-		{A9D6DC71-C0DC-4549-AEA0-3B15B44E86A9} = {1DA0A8E2-5832-42FC-83F7-2CDCAD379C90}
 		{8BD95440-9000-4745-8011-27DD553EF06F} = {B2087994-3DF6-4A57-B8C6-6F744520D7FA}
+		{E35589C6-9509-4116-996F-1D045C2DACAE} = {B2087994-3DF6-4A57-B8C6-6F744520D7FA}
+		{A9D6DC71-C0DC-4549-AEA0-3B15B44E86A9} = {1DA0A8E2-5832-42FC-83F7-2CDCAD379C90}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {68CA0970-4242-4E4F-94D2-C19760FCA05D}
diff --git a/samples/virtualbox/Resource.h b/samples/virtualbox/Resource.h
new file mode 100644
index 00000000..4ecc6730
--- /dev/null
+++ b/samples/virtualbox/Resource.h
@@ -0,0 +1,31 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by VirtualBox.rc
+//
+
+#define IDS_APP_TITLE			103
+
+#define IDR_MAINFRAME			128
+#define IDD_VIRTUALBOX_DIALOG	102
+#define IDD_ABOUTBOX			103
+#define IDM_ABOUT				104
+#define IDM_EXIT				105
+#define IDI_VIRTUALBOX			107
+#define IDI_SMALL				108
+#define IDC_VIRTUALBOX			109
+#define IDC_MYICON				2
+#ifndef IDC_STATIC
+#define IDC_STATIC				-1
+#endif
+// �¶������һ��Ĭ��ֵ
+//
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+
+#define _APS_NO_MFC					130
+#define _APS_NEXT_RESOURCE_VALUE	129
+#define _APS_NEXT_COMMAND_VALUE		32771
+#define _APS_NEXT_CONTROL_VALUE		1000
+#define _APS_NEXT_SYMED_VALUE		110
+#endif
+#endif
diff --git a/samples/virtualbox/VirtualTileBox.cpp b/samples/virtualbox/VirtualTileBox.cpp
new file mode 100644
index 00000000..0cff3da9
--- /dev/null
+++ b/samples/virtualbox/VirtualTileBox.cpp
@@ -0,0 +1,545 @@
+#include "stdafx.h"
+#include "VirtualTileBox.h"
+
+
+VirtualTileInterface::VirtualTileInterface()
+:m_CountChangedNotify()
+, m_DataChangedNotify()
+{
+
+}
+
+
+void VirtualTileInterface::RegNotifys(const DataChangedNotify& dcNotify, const CountChangedNotify& ccNotify)
+{
+	m_DataChangedNotify = dcNotify;
+	m_CountChangedNotify = ccNotify;
+}
+
+
+
+void VirtualTileInterface::EmitDataChanged(int nStartIndex, int nEndIndex)
+{
+	if (m_DataChangedNotify) m_DataChangedNotify(nStartIndex, nEndIndex);
+}
+
+void VirtualTileInterface::EmitCountChanged()
+{
+	if (m_CountChangedNotify) m_CountChangedNotify();
+}
+
+
+VirtualTileLayout::VirtualTileLayout()
+:m_bAutoCalcColumn(true)
+{
+	m_nColumns = -1;
+}
+
+ui::CSize VirtualTileLayout::ArrangeChild(const std::vector<ui::Control*>& items, ui::UiRect rc)
+{
+	ui::CSize sz(rc.GetWidth(), rc.GetHeight());
+
+	VirtualTileBox *pList = dynamic_cast<VirtualTileBox*>(m_pOwner);
+	ASSERT(pList);
+
+
+	int nTotalHeight = GetElementsHeight(-1);
+	sz.cy = max(nTotalHeight, sz.cy);
+	LazyArrangeChild();
+	return sz;
+}
+
+ui::CSize VirtualTileLayout::AjustSizeByChild(const std::vector<ui::Control*>& items, ui::CSize szAvailable)
+{
+	VirtualTileBox *pList = dynamic_cast<VirtualTileBox*>(m_pOwner);
+	ASSERT(pList);
+
+	ui::CSize size = m_pOwner->Control::EstimateSize(szAvailable);
+	if (size.cx == DUI_LENGTH_AUTO || size.cx == 0)
+	{
+		size.cx = m_szItem.cx * m_nColumns + m_iChildMargin * (m_nColumns - 1);
+	}	
+	return size;
+}
+
+
+bool VirtualTileLayout::SetAttribute(const std::wstring& strName, const std::wstring& strValue)
+{
+	if (strName == L"column")
+	{
+		int iValue = _ttoi(strValue.c_str());
+		if (iValue > 0)
+		{
+			SetColumns(iValue);
+			m_bAutoCalcColumn = false;
+		}
+		else {
+			m_bAutoCalcColumn = true;
+		}
+		return true;
+	}
+	else {
+		return __super::SetAttribute(strName, strValue);
+	}
+}
+
+int VirtualTileLayout::GetElementsHeight(int nCount)
+{
+	if (nCount < m_nColumns && nCount != -1) return m_szItem.cy + m_iChildMargin;
+
+	VirtualTileBox *pList = dynamic_cast<VirtualTileBox*>(m_pOwner);
+	ASSERT(pList);
+
+	if (nCount < 0)
+		nCount = pList->GetElementCount();
+
+	int rows = nCount / m_nColumns;
+	if (nCount % m_nColumns != 0) {
+		rows += 1;
+	}
+	if (nCount > 0) {
+		int childMarginTotal;
+		if (nCount % m_nColumns == 0) {
+			childMarginTotal = (nCount / m_nColumns - 1) * m_iChildMargin;
+		}
+		else {
+			childMarginTotal = (nCount / m_nColumns) * m_iChildMargin;
+		}
+
+		return m_szItem.cy * (rows+ 1) + childMarginTotal;
+	}
+	return 0;
+}
+
+void VirtualTileLayout::LazyArrangeChild()
+{
+	VirtualTileBox *pList = dynamic_cast<VirtualTileBox*>(m_pOwner);
+
+	ASSERT(pList);
+
+	// ����SetPosʱ�Ѿ����ú�
+	ASSERT(m_nColumns);
+
+	// ��ȡVirtualTileBox��Rect
+	ui::UiRect rc = pList->GetPaddingPos();
+
+	// ����������ʼλ�� 
+	int iPosLeft = rc.left;
+
+	// ����Ķ�����ʼλ�� 
+	int iPosTop = rc.top + pList->GetScrollPos().cy;
+
+	ui::CPoint ptTile(iPosLeft, iPosTop);
+
+	// ����index
+	int nTopBottom = 0;
+	int nTopIndex = pList->GetTopElementIndex(nTopBottom);
+
+	int iCount = 0;
+
+	for (auto pControl : pList->m_items)
+	{
+		// Determine size
+		ui::UiRect rcTile(ptTile.x, ptTile.y, ptTile.x + m_szItem.cx, ptTile.y + m_szItem.cy);
+		pControl->SetPos(rcTile);
+
+		// �������
+		int nElementIndex = nTopIndex + iCount;
+		if (nElementIndex < pList->GetElementCount())
+		{
+			if (!pControl->IsVisible()) pControl->SetVisible(true);
+			pList->FillElement(pControl, nElementIndex);
+		}
+		else {
+			if (pControl->IsVisible()) pControl->SetVisible(false);
+		}
+
+		if ((++iCount % m_nColumns) == 0) {
+			ptTile.x = iPosLeft;
+			ptTile.y += m_szItem.cy + m_iChildMargin;
+		}
+		else {
+			ptTile.x += rcTile.GetWidth() + m_iChildMargin;
+		}
+	}
+}
+
+int VirtualTileLayout::AjustMaxItem()
+{
+	ui::UiRect rc = m_pOwner->GetPaddingPos();
+
+	if (m_bAutoCalcColumn)
+	{
+		if (m_szItem.cx > 0) m_nColumns = (rc.right - rc.left) / (m_szItem.cx + m_iChildMargin / 2);
+		if (m_nColumns == 0) m_nColumns = 1;
+	}
+
+	int nHeight = m_szItem.cy + m_iChildMargin;
+	int nRow = (rc.bottom - rc.top) / nHeight + 1;
+	return nRow * m_nColumns;
+}
+
+VirtualTileBox::VirtualTileBox(ui::Layout* pLayout /*= new VirtualTileLayout*/)
+: ui::ListBox(pLayout)
+, m_pDataProvider(nullptr)
+, m_nMaxItemCount(0)
+, m_nOldYScrollPos(0)
+, m_bArrangedOnce(false)
+, m_bForceArrange(false)
+{
+
+
+}
+
+void VirtualTileBox::SetDataProvider(VirtualTileInterface *pProvider)
+{
+	ASSERT(pProvider);
+	m_pDataProvider = pProvider;
+
+	// ע��ģ�����ݱ䶯֪ͨ�ص�
+	pProvider->RegNotifys(
+		nbase::Bind(&VirtualTileBox::OnModelDataChanged, this, std::placeholders::_1, std::placeholders::_2),
+		nbase::Bind(&VirtualTileBox::OnModelCountChanged, this));
+}
+
+
+void VirtualTileBox::Refresh()
+{
+	m_nMaxItemCount = GetTileLayout()->AjustMaxItem();
+
+	int nElementCount = GetElementCount();
+	int nItemCount = GetCount();
+
+	// ����������������������������� �Ƴ��������������������
+	if (nItemCount > nElementCount)
+	{
+		
+		int n = nItemCount - nElementCount;
+		for (int i = 0; i < n; i++)
+			this->RemoveAt(0);
+	}
+	// �����������������������
+	else if (nItemCount < nElementCount) {
+		int n = 0;
+		if (nElementCount <= m_nMaxItemCount)
+		{
+			n = nElementCount - nItemCount;
+		}
+		else {
+			n = m_nMaxItemCount - nItemCount;
+		}
+
+		for (int i = 0; i < n; i++) {
+			Control *pControl = CreateElement();
+			this->Add(pControl);
+		}
+	}
+
+	if (nElementCount <= 0)
+		return;
+
+	ReArrangeChild(true);
+	Arrange();
+
+}
+
+void VirtualTileBox::RemoveAll()
+{
+	__super::RemoveAll();
+
+	if (m_pVerticalScrollBar)
+		m_pVerticalScrollBar->SetScrollPos(0);
+
+	m_nOldYScrollPos = 0;
+	m_bArrangedOnce = false;
+	m_bForceArrange = false;
+}
+
+void VirtualTileBox::SetForceArrange(bool bForce)
+{
+	m_bForceArrange = bForce;
+}
+
+void VirtualTileBox::GetDisplayCollection(std::vector<int>& collection)
+{
+	collection.clear();
+	
+	if (GetCount() == 0)
+		return;
+
+	// ��ȡBox��Rect
+	ui::UiRect rcThis = this->GetPaddingPos();
+
+	int nEleHeight = GetRealElementHeight();
+
+	int min = (GetScrollPos().cy / nEleHeight) * GetColumns();
+	int max = min + (rcThis.GetHeight() / nEleHeight) * GetColumns();
+
+	int nCount = GetElementCount();
+	if (max >= nCount)
+		max = nCount - 1;
+
+	for (auto i = min; i <= max; i++)
+		collection.push_back(i);
+}
+
+void VirtualTileBox::EnsureVisible(int iIndex, bool bToTop /*= false*/)
+{
+	if (iIndex < 0 || iIndex >= GetElementCount())
+		return;
+
+	if (!m_pVerticalScrollBar)
+		return;
+
+	auto nPos = GetScrollPos().cy;
+	int nTopIndex = (nPos / GetRealElementHeight()) * GetColumns();
+	int nNewPos = 0;
+
+	if (bToTop)
+	{
+		nNewPos = CalcElementsHeight(iIndex);
+		if (nNewPos >= m_pVerticalScrollBar->GetScrollRange())
+			return;
+	}
+	else {
+		if (IsElementDisplay(iIndex))
+			return;
+
+		if (iIndex > nTopIndex)
+		{
+			// ����
+			int height = CalcElementsHeight(iIndex + 1);
+			nNewPos = height - m_rcItem.GetHeight();
+		}
+		else {
+			// ����
+			nNewPos = CalcElementsHeight(iIndex);
+		}
+	}
+	ui::CSize sz(0, nNewPos);
+	SetScrollPos(sz);
+}
+
+void VirtualTileBox::SetScrollPos(ui::CSize szPos)
+{
+	m_nOldYScrollPos = GetScrollPos().cy;
+	ListBox::SetScrollPos(szPos);
+	ReArrangeChild(false);
+}
+
+void VirtualTileBox::HandleMessage(ui::EventArgs& event)
+{
+    if (!IsMouseEnabled() && event.Type > ui::kEventMouseBegin && event.Type < ui::kEventMouseEnd) {
+        if (m_pParent != nullptr)
+            m_pParent->HandleMessageTemplate(event);
+        else
+            ui::ScrollableBox::HandleMessage(event);
+        return;
+    }
+
+    switch (event.Type) {
+    case ui::kEventKeyDown: {
+        switch (event.chKey) {
+        case VK_UP: {
+            OnKeyDown(VK_UP);
+            return;
+        }
+        case VK_DOWN: {
+            OnKeyDown(VK_DOWN);
+            return;
+        }
+        case VK_HOME:
+            SetScrollPosY(0);
+            return;
+        case VK_END: {
+            int range = GetScrollPos().cy;
+            SetScrollPosY(range);
+            return;
+        }
+        }
+    }
+	case ui::kEventKeyUp: {
+        switch (event.chKey) {
+        case VK_UP: {
+            OnKeyUp(VK_UP);
+            return;
+        }
+        case VK_DOWN: {
+            OnKeyUp(VK_DOWN);
+            return;
+        }
+        }
+    }
+    }
+
+    __super::HandleMessage(event);
+}
+
+void VirtualTileBox::SetPos(ui::UiRect rc)
+{
+	bool bChange = false;
+	if (!m_rcItem.Equal(rc))
+		bChange = true;
+
+	ListBox::SetPos(rc);
+
+	if (bChange) {
+
+		Refresh();
+	}
+}
+
+void VirtualTileBox::ReArrangeChild(bool bForce)
+{
+	ScrollDirection direction = kScrollUp;
+	if (!bForce && !m_bForceArrange) {
+		if (!NeedReArrange(direction))
+			return;
+	}
+	
+	LazyArrangeChild();
+}
+
+
+ui::Control* VirtualTileBox::CreateElement()
+{
+	if (m_pDataProvider)
+		return m_pDataProvider->CreateElement();
+
+	return nullptr;
+}
+
+void VirtualTileBox::FillElement(Control *pControl, int iIndex)
+{
+	if (m_pDataProvider)
+		m_pDataProvider->FillElement(pControl, iIndex);
+}
+
+int VirtualTileBox::GetElementCount()
+{
+	if (m_pDataProvider)
+		return m_pDataProvider->GetElementtCount();
+
+	return 0;
+}
+
+int VirtualTileBox::CalcElementsHeight(int nCount)
+{
+	return GetTileLayout()->GetElementsHeight(nCount);
+}
+
+int VirtualTileBox::GetTopElementIndex(int &bottom)
+{
+	int nPos = GetScrollPos().cy;
+
+	int nHeight = GetRealElementHeight();
+	int iIndex = (nPos / nHeight) * GetColumns();
+	bottom = iIndex * nHeight;
+
+	return iIndex;
+}
+
+bool VirtualTileBox::IsElementDisplay(int iIndex)
+{
+	if (iIndex < 0)
+		return false;
+
+	int nPos = GetScrollPos().cy;
+	int nElementPos = CalcElementsHeight(iIndex);
+	if (nElementPos >= nPos) {
+		int nHeight = this->GetHeight();
+		if (nElementPos + GetRealElementHeight() <= nPos + nHeight)
+			return true;
+	}
+
+	return false;
+}
+
+bool VirtualTileBox::NeedReArrange(ScrollDirection &direction)
+{
+	direction = kScrollUp;
+	if (!m_bArrangedOnce) {
+		m_bArrangedOnce = true;
+		return true;
+	}
+
+	int nCount = GetCount();
+	if (nCount <= 0)
+		return false;
+
+	if (GetElementCount() <= nCount)
+		return false;
+
+
+	ui::UiRect rcThis = this->GetPos();
+	if (rcThis.GetWidth() <= 0)
+		return false;
+
+	int nPos = GetScrollPos().cy;
+	ui::UiRect rcItem;
+
+	rcItem = m_items[0]->GetPos();
+
+	if (nPos >= m_nOldYScrollPos) {
+		// ��
+		rcItem = m_items[nCount - 1]->GetPos();
+		int nSub = (rcItem.bottom - rcThis.top) - (nPos + rcThis.GetHeight());
+		if (nSub < 0) {
+			direction = kScrollDown;
+			return true;
+		}
+	}
+	else {
+		// ��
+		rcItem = m_items[0]->GetPos();
+		if (nPos < (rcItem.top - rcThis.top)) {
+			direction = kScrollUp;
+			return true;
+		}
+	}
+	
+	return false;
+
+}
+
+VirtualTileLayout* VirtualTileBox::GetTileLayout()
+{
+	auto* pLayout = dynamic_cast<VirtualTileLayout*>(m_pLayout.get());
+	return pLayout;
+}
+
+int VirtualTileBox::GetRealElementHeight()
+{
+	return GetTileLayout()->GetElementsHeight(1);
+}
+
+int VirtualTileBox::GetColumns()
+{
+	return GetTileLayout()->GetColumns();
+}
+
+void VirtualTileBox::LazyArrangeChild()
+{
+
+	GetTileLayout()->LazyArrangeChild();
+}
+
+void VirtualTileBox::OnModelDataChanged(int nStartIndex, int nEndIndex)
+{
+	for (auto i = nStartIndex; i <= nEndIndex; i++)
+	{
+		if (IsElementDisplay(i))
+		{
+			int nTopItemHeight = 0;
+			int nItemIndex = i - GetTopElementIndex(nTopItemHeight);
+			ASSERT(nItemIndex > 0);
+			FillElement(m_items[nItemIndex], i);
+		}
+	}
+}
+
+void VirtualTileBox::OnModelCountChanged()
+{
+	Refresh();
+}
+
diff --git a/samples/virtualbox/VirtualTileBox.h b/samples/virtualbox/VirtualTileBox.h
new file mode 100644
index 00000000..f2957993
--- /dev/null
+++ b/samples/virtualbox/VirtualTileBox.h
@@ -0,0 +1,203 @@
+#pragma once
+
+typedef function<void(int nStartIndex, int nEndIndex)> DataChangedNotify;
+typedef function<void()> CountChangedNotify;
+
+class UILIB_API VirtualTileInterface
+{
+public:
+	VirtualTileInterface();
+	/**
+	* @brief ����һ������
+	* @return ���ش����������ָ��
+	*/
+	virtual ui::Control* CreateElement() = 0;
+
+	/**
+	* @brief ���ָ������
+	* @param[in] control ����ؼ�ָ��
+	* @param[in] index ����
+	* @return ���ش����������ָ��
+	*/
+	virtual void FillElement(ui::Control *control, int index) = 0;
+
+	/**
+	* @brief ��ȡ��������
+	* @return ������������
+	*/
+	virtual int GetElementtCount() = 0;
+
+	void RegNotifys(const DataChangedNotify& dcNotify, const CountChangedNotify& ccNotify);
+
+protected:
+	void EmitDataChanged(int nStartIndex, int nEndIndex);
+	void EmitCountChanged();
+
+private:
+	DataChangedNotify m_DataChangedNotify;
+	CountChangedNotify m_CountChangedNotify;
+};
+
+class UILIB_API VirtualTileLayout : public ui::TileLayout
+{
+public:
+	VirtualTileLayout();
+	virtual ui::CSize ArrangeChild(const std::vector<ui::Control*>& items, ui::UiRect rc) override;
+	virtual ui::CSize AjustSizeByChild(const std::vector<ui::Control*>& items, ui::CSize szAvailable) override;
+	virtual bool SetAttribute(const std::wstring& strName, const std::wstring& strValue) override;
+	virtual int GetElementsHeight(int nCount);
+	virtual void LazyArrangeChild();
+	virtual int AjustMaxItem();
+
+private:
+	bool m_bAutoCalcColumn;
+};
+
+class UILIB_API VirtualTileBox : public ui::ListBox
+{
+	friend class VirtualTileLayout;
+public:
+	VirtualTileBox(ui::Layout* pLayout = new VirtualTileLayout);
+
+	/**
+	* @brief �������ݴ�������
+	* @param[in] pProvider ��������Ҫ��д VirtualListInterface �Ľӿ�����Ϊ���ݴ�������
+	* @return ��
+	*/
+	virtual void SetDataProvider(VirtualTileInterface *pProvider);
+
+	/**
+	* @brief ˢ���б�
+	* @return ��
+	*/
+	virtual void Refresh();
+
+	/**
+	* @brief ɾ����������
+	* @return ��
+	*/
+	virtual void RemoveAll() override;
+
+	/**
+	* @brief �����Ƿ�ǿ�����²���
+	* @param[in] bForce ����Ϊ true Ϊǿ�ƣ�����Ϊ��ǿ��
+	* @return ��
+	*/
+	void SetForceArrange(bool bForce);
+
+	/**
+	* @brief ��ȡ��ǰ���пɼ��ؼ�������
+	* @param[out] collection �����б�
+	* @return ��
+	*/
+	void GetDisplayCollection(std::vector<int>& collection);
+
+	/**
+	* @brief �ÿؼ��ڿɼ���Χ��
+	* @param[in] iIndex �ؼ�����
+	* @param[in] bToTop �Ƿ������Ϸ�
+	* @return ��
+	*/
+	void EnsureVisible(int iIndex, bool bToTop = false);
+
+protected:
+	/// ��д����ӿڣ��ṩ���Ի�����
+	virtual void SetScrollPos(ui::CSize szPos) override;
+	virtual void HandleMessage(ui::EventArgs& event) override;
+	virtual void SetPos(ui::UiRect rc) override;
+
+	/**
+	* @brief ���²�������
+	* @param[in] bForce �Ƿ�ǿ�����²���
+	* @return ��
+	*/
+	void ReArrangeChild(bool bForce);
+
+	/**
+	* @brief ���̰���֪ͨ
+	* @param[in] ch ����
+	* @return ��
+	*/
+	virtual void OnKeyDown(TCHAR ch) {}
+
+	/**
+	* @brief ���̵���֪ͨ
+	* @param[in] ch ����
+	* @return ��
+	*/
+	virtual void OnKeyUp(TCHAR ch) {}
+
+private:
+	enum ScrollDirection
+	{
+		kScrollUp = -1,
+		kScrollDown = 1
+	};
+
+	/**
+	* @brief ����һ������
+	* @return ���ش����������ָ��
+	*/
+	Control* CreateElement();
+
+	/**
+	* @brief ���ָ������
+	* @param[in] control ����ؼ�ָ��
+	* @param[in] index ����
+	* @return ���ش����������ָ��
+	*/
+	void FillElement(Control *pControl, int iIndex);
+
+	/**
+	* @brief ��ȡԪ������
+	* @return ����Ԫ����ָ��
+	*/
+	int GetElementCount();
+
+	/**
+	* @brief �õ�n��Ԫ�ض�Ӧ�ĸ߶Ⱥͣ�
+	* @param[in] nCount Ҫ�õ�����Ԫ�صĸ߶ȣ�-1��ʾȫ��Ԫ��
+	* @return ����ָ������Ԫ�صĸ߶Ⱥ�
+	*/
+	int CalcElementsHeight(int nCount);
+
+	/**
+	* @brief �õ��ɼ���Χ�ڵ�һ��Ԫ�ص�ǰһ��Ԫ������
+	* @param[out] bottom ������һ��Ԫ�ص� bottom ֵ
+	* @return ������һ��Ԫ�ص�����
+	*/
+	int GetTopElementIndex(int &bottom);
+
+	/**
+	* @brief �ж�ij��Ԫ���Ƿ��ڿɼ���Χ��
+	* @param[in] iIndex Ԫ������
+	* @return ���� true ��ʾ�ɼ�������Ϊ���ɼ�
+	*/
+	bool IsElementDisplay(int iIndex);
+
+	/**
+	* @brief �ж��Ƿ�Ҫ���²���
+	* @param[out] direction ���Ϲ����������¹���
+	* @return true Ϊ��Ҫ���²��֣�����Ϊ false
+	*/
+	bool NeedReArrange(ScrollDirection &direction);
+
+	VirtualTileLayout* GetTileLayout();
+
+	int GetRealElementHeight();
+
+	int GetColumns();
+
+	void LazyArrangeChild();
+
+	void OnModelDataChanged(int nStartIndex, int nEndIndex);
+	
+	void OnModelCountChanged();
+
+private:
+	VirtualTileInterface *m_pDataProvider;
+	int m_nMaxItemCount;	// �б���ʵ�ؼ���������  
+	int m_nOldYScrollPos;
+	bool m_bArrangedOnce;
+	bool m_bForceArrange;	// ǿ�Ʋ��ֱ��
+};
diff --git a/samples/virtualbox/item.cpp b/samples/virtualbox/item.cpp
new file mode 100644
index 00000000..031be6db
--- /dev/null
+++ b/samples/virtualbox/item.cpp
@@ -0,0 +1,47 @@
+#include "stdafx.h"
+#include "item.h"
+
+
+Item::Item()
+:control_img_(nullptr)
+{
+}
+
+
+Item::~Item()
+{
+}
+
+void Item::InitSubControls(const std::wstring& img, const std::wstring& title)
+{
+	// ���� Item �µĿؼ�
+	if (control_img_ == nullptr)
+	{
+		control_img_ = dynamic_cast<ui::Control*>(FindSubControl(L"control_img"));
+		label_title_ = dynamic_cast<ui::Label*>(FindSubControl(L"label_title"));
+		progress_ = dynamic_cast<ui::Progress*>(FindSubControl(L"progress"));
+		btn_del_ = dynamic_cast<ui::Button*>(FindSubControl(L"btn_del"));
+		// ģ�����������
+		auto timestamp = shared::tools::GenerateTimeStamp();
+		int64_t timestamp_num = 0;	
+		nbase::StringToInt64(timestamp, &timestamp_num);
+		t_time = timestamp_num;
+		progress_->SetValue((double)(timestamp_num % 100));
+		// ����ͼ�����������
+		control_img_->SetBkImage(img);
+		// ��ɾ������������
+		btn_del_->AttachClick(nbase::Bind(&Item::OnRemove, this, std::placeholders::_1));
+	}
+
+
+	label_title_->SetText(nbase::StringPrintf(L"%s %d%%", title.c_str(), t_time % 100));
+
+
+}
+
+
+bool Item::OnRemove(ui::EventArgs* args)
+{
+	// ɾ��ʱ��ֻ��ɾ�����ݾͿ����ˣ���Ҫɾ�������ϵ�Ԫ��
+	return true;
+}
diff --git a/samples/virtualbox/item.h b/samples/virtualbox/item.h
new file mode 100644
index 00000000..3ef96875
--- /dev/null
+++ b/samples/virtualbox/item.h
@@ -0,0 +1,24 @@
+#pragma once
+
+// �� ui::ListContainerElement �м̳����п��ù���
+class Item : public ui::ListContainerElement
+{
+public:
+	Item();
+	~Item();
+
+	// �ṩ�ⲿ��������ʼ�� item ����
+	void InitSubControls(const std::wstring& img, const std::wstring& title);	
+private:
+	bool OnRemove(ui::EventArgs* args);
+
+private:
+	ui::ListBox*	list_box_;
+
+	ui::Control*	control_img_;
+	ui::Label*		label_title_;
+	ui::Progress*	progress_;
+	ui::Button*		btn_del_;
+	int64_t         t_time;
+};
+
diff --git a/samples/virtualbox/main.cpp b/samples/virtualbox/main.cpp
new file mode 100644
index 00000000..1a932e86
--- /dev/null
+++ b/samples/virtualbox/main.cpp
@@ -0,0 +1,69 @@
+// VirtualBox.cpp : ����Ӧ�ó������ڵ㡣
+//
+
+#include "stdafx.h"
+#include "main.h"
+#include "main_form.h"
+#include "VirtualTileBox.h"
+
+ui::Control* MyCreateControlCallback(const std::wstring& sName)
+{
+	if (sName == L"VirtualTileBox")
+	{
+		return new VirtualTileBox();
+	}
+	return nullptr;
+}
+
+int APIENTRY wWinMain(_In_ HINSTANCE hInstance,
+	_In_opt_ HINSTANCE hPrevInstance,
+	_In_ LPWSTR    lpCmdLine,
+	_In_ int       nCmdShow)
+{
+	UNREFERENCED_PARAMETER(hPrevInstance);
+	UNREFERENCED_PARAMETER(lpCmdLine);
+
+	// �������߳�
+	MainThread thread;
+
+	// ִ�����߳�ѭ��
+	thread.RunOnCurrentThreadWithLoop(nbase::MessageLoop::kUIMessageLoop);
+
+	return 0;
+}
+
+void MainThread::Init()
+{
+	nbase::ThreadManager::RegisterThread(kThreadUI);
+
+	// ��ȡ��Դ·������ʼ��ȫ�ֲ���
+	std::wstring theme_dir = QPath::GetAppPath();
+#ifdef _DEBUG
+	// Debug ģʽ��ʹ�ñ����ļ�����Ϊ��Դ
+	// Ĭ��Ƥ��ʹ�� resources\\themes\\default
+	// Ĭ������ʹ�� resources\\lang\\zh_CN
+	// �����޸���ָ�� Startup �����������
+	ui::GlobalManager::Startup(theme_dir + L"resources\\", MyCreateControlCallback, false);
+#else
+	// Release ģʽ��ʹ����Դ�е�ѹ������Ϊ��Դ
+	// ��Դ�����뵽��Դ�б�����Ϊ THEME����Դ����Ϊ IDR_THEME
+	// �����Դʹ�õ��DZ��ص� zip �ļ�������Դ�е� zip ѹ����
+	// ����ʹ�� OpenResZip ��һ�����غ����򿪱��ص���Դѹ����
+	ui::GlobalManager::OpenResZip(MAKEINTRESOURCE(IDR_THEME), L"THEME", "");
+	// ui::GlobalManager::OpenResZip(L"resources.zip", "");
+	ui::GlobalManager::Startup(L"resources\\", ui::CreateControlCallback(), false);
+#endif
+
+	// ����һ��Ĭ�ϴ�����Ӱ�ľ��д���
+	MainForm* window = new MainForm();
+	window->Create(NULL, MainForm::kClassName.c_str(), WS_OVERLAPPEDWINDOW & ~WS_MAXIMIZEBOX, 0);
+	window->CenterWindow();
+	window->ShowWindow();
+}
+
+void MainThread::Cleanup()
+{
+	ui::GlobalManager::Shutdown();
+	SetThreadWasQuitProperly(true);
+	nbase::ThreadManager::UnregisterThread();
+}
diff --git a/samples/virtualbox/main.h b/samples/virtualbox/main.h
new file mode 100644
index 00000000..f2e925d1
--- /dev/null
+++ b/samples/virtualbox/main.h
@@ -0,0 +1,23 @@
+#pragma once
+
+#include "resource.h"
+
+class MainThread : public nbase::FrameworkThread
+{
+public:
+	MainThread() : nbase::FrameworkThread("MainThread") {}
+	virtual ~MainThread() {}
+
+private:
+	/**
+	* �麯������ʼ�����߳�
+	* @return void	�޷���ֵ
+	*/
+	virtual void Init() override;
+
+	/**
+	* �麯�������߳��˳�ʱ����һЩ��������
+	* @return void	�޷���ֵ
+	*/
+	virtual void Cleanup() override;
+};
diff --git a/samples/virtualbox/main_form.cpp b/samples/virtualbox/main_form.cpp
new file mode 100644
index 00000000..ded6a87f
--- /dev/null
+++ b/samples/virtualbox/main_form.cpp
@@ -0,0 +1,105 @@
+#include "stdafx.h"
+#include "main_form.h"
+#include "provider.h"
+
+const std::wstring MainForm::kClassName = L"VirtualBoxDemo";
+
+
+MainForm::MainForm()
+= default;
+
+
+MainForm::~MainForm()
+= default;
+
+std::wstring MainForm::GetSkinFolder()
+{
+	return L"virtualbox";
+}
+
+std::wstring MainForm::GetSkinFile()
+{
+	return L"main.xml";
+}
+
+std::wstring MainForm::GetWindowClassName() const
+{
+	return kClassName;
+}
+
+void MainForm::InitWindow()
+{
+
+	m_EditColumn = dynamic_cast<ui::RichEdit*>(FindControl(L"edit_column"));
+	m_CheckBoxItemCenter = dynamic_cast<ui::CheckBox*>(FindControl(L"checkbox_item_center"));
+	m_EditTotal = dynamic_cast<ui::RichEdit*>(FindControl(L"edit_total"));
+	m_pTileList = dynamic_cast<VirtualTileBox*>(FindControl(L"list"));
+	m_OptionColumnFix = dynamic_cast<ui::Option*>(FindControl(L"option_column_fix"));
+	m_EditUpdate = dynamic_cast<ui::RichEdit*>(FindControl(L"edit_update"));
+	m_EditTaskName = dynamic_cast<ui::RichEdit*>(FindControl(L"edit_task_name"));
+	m_EditDelete = dynamic_cast<ui::RichEdit*>(FindControl(L"edit_delete"));
+	m_EditChildMargin = dynamic_cast<ui::RichEdit*>(FindControl(L"edit_child_margin"));
+
+	m_pRoot->AttachBubbledEvent(ui::kEventClick, nbase::Bind(&MainForm::OnClicked, this, std::placeholders::_1));
+
+	// �����ṩ��
+	m_DataProvider = new Provider;
+	m_pTileList->SetDataProvider(m_DataProvider);
+
+
+
+}
+
+LRESULT MainForm::OnClose(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
+{
+	PostQuitMessage(0L);
+	return __super::OnClose(uMsg, wParam, lParam, bHandled);
+}
+
+
+bool MainForm::OnClicked(ui::EventArgs* args)
+{
+	auto sName = args->pSender->GetName();
+	if (sName == L"btn_set_total")
+	{
+		if (!m_EditChildMargin->GetText().empty())
+		{
+			m_pTileList->SetAttribute(L"childmargin", m_EditChildMargin->GetText());
+		}
+		if (m_OptionColumnFix->IsSelected())
+		{
+			m_pTileList->SetAttribute(L"column", m_EditColumn->GetText());
+			if (m_CheckBoxItemCenter->IsSelected())
+			{
+				m_pTileList->SetAttribute(L"width", L"auto");
+				m_pTileList->SetAttribute(L"halign", L"center");
+			}
+			else {
+				m_pTileList->SetAttribute(L"width", L"stretch");
+
+			}		
+		}
+		else {
+			m_pTileList->SetAttribute(L"width", L"stretch");
+			m_pTileList->SetAttribute(L"column", L"-1");
+
+		}
+
+
+		int nTotal = _ttoi(m_EditTotal->GetText().c_str());
+		if (nTotal > 0) {
+			m_DataProvider->SetTotal(nTotal);
+		}
+	}
+	else if (sName == L"btn_update")
+	{
+		m_DataProvider->ChangeTaskName(_ttoi(m_EditUpdate->GetText().c_str())-1, 
+			m_EditTaskName->GetText());
+	}
+	else if (sName == L"btn_delete")
+	{
+		m_DataProvider->RemoveTask(_ttoi(m_EditDelete->GetText().c_str()) - 1); 
+	}
+
+	return true;
+}
diff --git a/samples/virtualbox/main_form.h b/samples/virtualbox/main_form.h
new file mode 100644
index 00000000..40eabec0
--- /dev/null
+++ b/samples/virtualbox/main_form.h
@@ -0,0 +1,49 @@
+#pragma once
+#include "VirtualTileBox.h"
+#include "provider.h"
+
+class MainForm : public ui::WindowImplBase
+{
+public:
+	MainForm();
+	~MainForm();
+
+	/**
+	* һ�������ӿ��DZ���Ҫ��д�Ľӿڣ����������������ӿ�����������
+	* GetSkinFolder		�ӿ�������Ҫ���ƵĴ���Ƥ����Դ·��
+	* GetSkinFile			�ӿ�������Ҫ���ƵĴ��ڵ� xml �����ļ�
+	* GetWindowClassName	�ӿ����ô���Ψһ��������
+	*/
+	virtual std::wstring GetSkinFolder() override;
+	virtual std::wstring GetSkinFile() override;
+	virtual std::wstring GetWindowClassName() const override;
+
+	/**
+	* �յ� WM_CREATE ��Ϣʱ�ú����ᱻ���ã�ͨ����һЩ�ؼ���ʼ���IJ���
+	*/
+	virtual void InitWindow() override;
+
+	/**
+	* �յ� WM_CLOSE ��Ϣʱ�ú����ᱻ����
+	*/
+	virtual LRESULT OnClose(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
+
+	static const std::wstring kClassName;
+
+private:
+	bool OnClicked(ui::EventArgs* args);
+
+private:
+	VirtualTileBox*	m_pTileList;
+	Provider* m_DataProvider;
+
+private:
+	ui::RichEdit* m_EditColumn;
+	ui::CheckBox* m_CheckBoxItemCenter; 
+	ui::RichEdit* m_EditTotal;
+	ui::Option* m_OptionColumnFix;
+	ui::RichEdit* m_EditUpdate;
+	ui::RichEdit* m_EditTaskName;
+	ui::RichEdit* m_EditDelete;
+	ui::RichEdit* m_EditChildMargin;
+};
diff --git a/samples/virtualbox/provider.cpp b/samples/virtualbox/provider.cpp
new file mode 100644
index 00000000..fde0cc18
--- /dev/null
+++ b/samples/virtualbox/provider.cpp
@@ -0,0 +1,89 @@
+#include "stdafx.h"
+#include "provider.h"
+#include "item.h"
+
+
+int g_index = 1;
+
+Provider::Provider()
+:m_nTotal(0)
+{
+
+}
+
+
+Provider::~Provider()
+= default;
+
+ui::Control* Provider::CreateElement()
+{
+	Item* item = new Item;
+	ui::GlobalManager::FillBoxWithCache(item, L"virtualbox/item.xml");
+	return item;
+}
+
+void Provider::FillElement(ui::Control *control, int index)
+{
+	Item* pItem = dynamic_cast<Item*>(control);
+
+	
+	std::wstring img = L"icon.png";
+	std::wstring title = nbase::StringPrintf(L"%s [%02d]", m_vTasks[index].sName.c_str(), m_vTasks[index].nId);
+	pItem->InitSubControls(img, title);
+
+}
+
+int Provider::GetElementtCount()
+{
+	// ����
+	nbase::NAutoLock auto_lock(&lock_);
+	return m_vTasks.size();
+}
+
+void Provider::SetTotal(int nTotal)
+{
+	if (nTotal == m_nTotal) return;
+	if (nTotal <= 0) return;
+
+	// ����
+	lock_.Lock();
+	m_vTasks.clear();
+	for (auto i=1; i <= nTotal; i++)
+	{
+		DownloadTask task;
+		task.nId = i;
+		task.sName = L"��������";
+		m_vTasks.emplace_back(task);
+	}
+	lock_.Unlock();
+
+	// ֪ͨTileBox���������䶯
+	EmitCountChanged();
+}
+
+void Provider::RemoveTask(int nIndex)
+{
+	// ����
+	nbase::NAutoLock auto_lock(&lock_);
+	
+	lock_.Lock();
+
+	auto iter =	m_vTasks.begin() + nIndex;
+	m_vTasks.erase(iter);
+
+	lock_.Unlock();
+
+	// ֪ͨTileBox���������䶯
+	EmitCountChanged();
+}
+
+void Provider::ChangeTaskName(int nIndex, const wstring& sName)
+{
+	if (nIndex > 0 && nIndex < m_vTasks.size())
+	{
+		m_vTasks[nIndex].sName = sName;
+	}
+
+	// �������ݱ䶯֪ͨ
+	EmitDataChanged(nIndex, nIndex);
+}
diff --git a/samples/virtualbox/provider.h b/samples/virtualbox/provider.h
new file mode 100644
index 00000000..5fdb8b60
--- /dev/null
+++ b/samples/virtualbox/provider.h
@@ -0,0 +1,44 @@
+#pragma once
+
+#include "VirtualTileBox.h"
+#include <map>
+
+struct DownloadTask
+{
+	int nId;
+	wstring sName;
+};
+
+class Provider : public VirtualTileInterface
+{
+public:
+	Provider();
+	~Provider();
+
+	virtual ui::Control* CreateElement() override;
+
+	/**
+	* @brief ���ָ������
+	* @param[in] control ����ؼ�ָ��
+	* @param[in] index ����
+	* @return ���ش����������ָ��
+	*/
+	virtual void FillElement(ui::Control *control, int index) override;
+
+	/**
+	* @brief ��ȡ��������
+	* @return ������������
+	*/
+	virtual int GetElementtCount() override;
+
+public:
+	void SetTotal(int nTotal);
+	void RemoveTask(int nIndex);
+	void ChangeTaskName(int nIndex, const wstring& sName);
+
+private:
+	int m_nTotal;
+	std::vector<DownloadTask> m_vTasks;
+	nbase::NLock  lock_;
+};
+
diff --git a/samples/virtualbox/small.ico b/samples/virtualbox/small.ico
new file mode 100644
index 0000000000000000000000000000000000000000..449296f495af26f2b41bb1626a28de7432145472
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/samples/virtualbox/stdafx.cpp b/samples/virtualbox/stdafx.cpp
new file mode 100644
index 00000000..1155aed4
--- /dev/null
+++ b/samples/virtualbox/stdafx.cpp
@@ -0,0 +1,8 @@
+// stdafx.cpp : ֻ������׼�����ļ���Դ�ļ�
+// VirtualBox.pch ����ΪԤ����ͷ
+// stdafx.obj ������Ԥ����������Ϣ
+
+#include "stdafx.h"
+
+// TODO:  �� STDAFX.H ��
+// �����κ�����ĸ���ͷ�ļ����������ڴ��ļ�������
diff --git a/samples/virtualbox/stdafx.h b/samples/virtualbox/stdafx.h
new file mode 100644
index 00000000..e0159f3f
--- /dev/null
+++ b/samples/virtualbox/stdafx.h
@@ -0,0 +1,30 @@
+// stdafx.h : ��׼ϵͳ�����ļ��İ����ļ���
+// ���Ǿ���ʹ�õ��������ĵ�
+// �ض�����Ŀ�İ����ļ�
+//
+
+#pragma once
+
+#include "targetver.h"
+
+#define WIN32_LEAN_AND_MEAN             //  �� Windows ͷ�ļ����ų�����ʹ�õ���Ϣ
+// Windows ͷ�ļ�: 
+#include <windows.h>
+
+// C ����ʱͷ�ļ�
+#include <stdlib.h>
+#include <malloc.h>
+#include <memory.h>
+#include <tchar.h>
+
+
+
+// base header
+#include "base/base.h"
+
+// shared project
+#include "shared/shared.h"
+
+// duilib
+#include "duilib/UIlib.h"
+
diff --git a/samples/virtualbox/targetver.h b/samples/virtualbox/targetver.h
new file mode 100644
index 00000000..7a7d2c83
--- /dev/null
+++ b/samples/virtualbox/targetver.h
@@ -0,0 +1,8 @@
+#pragma once
+
+// ���� SDKDDKVer.h ��������õ���߰汾�� Windows ƽ̨��
+
+// ���ҪΪ��ǰ�� Windows ƽ̨����Ӧ�ó�������� WinSDKVer.h������
+// WIN32_WINNT ������ΪҪ֧�ֵ�ƽ̨��Ȼ���ٰ��� SDKDDKVer.h��
+
+#include <SDKDDKVer.h>
diff --git a/samples/virtualbox/virtualbox.filters b/samples/virtualbox/virtualbox.filters
new file mode 100644
index 00000000..dbbc86b6
--- /dev/null
+++ b/samples/virtualbox/virtualbox.filters
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="源文件">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="头文件">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;hm;inl;inc;xsd</Extensions>
+    </Filter>
+    <Filter Include="资源文件">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="stdafx.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
+    <ClInclude Include="targetver.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
+    <ClInclude Include="Resource.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
+    <ClInclude Include="main_form.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
+    <ClInclude Include="main.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="stdafx.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
+    <ClCompile Include="main_form.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
+    <ClCompile Include="main.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="VirtualBox.rc">
+      <Filter>资源文件</Filter>
+    </ResourceCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <Image Include="small.ico">
+      <Filter>资源文件</Filter>
+    </Image>
+    <Image Include="VirtualBox.ico">
+      <Filter>资源文件</Filter>
+    </Image>
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/samples/virtualbox/virtualbox.ico b/samples/virtualbox/virtualbox.ico
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\ No newline at end of file