<divclass=CToolTipid="tt178"><divclass=CVariable><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype"><tr><tdclass="prettyprint">mxPrintPreview.prototype.backgroundColor</td></tr></table></blockquote>Holds the color value for the page background color. </div></div><divclass=CToolTipid="tt179"><divclass=CVariable><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype"><tr><tdclass="prettyprint">mxGraph.prototype.backgroundImage</td></tr></table></blockquote>Specifies the mxImage to be returned by getBackgroundImage. </div></div><divclass=CToolTipid="tt180"><divclass=CVariable><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype"><tr><tdclass="prettyprint">mxUrlConverter.prototype.baseDomain</td></tr></table></blockquote>Specifies the base domain to be used as a prefix for absolute URLs.</div></div><divclass=CToolTipid="tt181"><divclass=CVariable>Basepath for all URLs in the core without trailing slash. </div></div><divclass=CToolTipid="tt182"><divclass=CVariable><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype"><tr><tdclass="prettyprint">mxText.prototype.baseSpacingBottom</td></tr></table></blockquote>Specifies the spacing to be added to the bottom spacing. </div></div><divclass=CToolTipid="tt183"><divclass=CVariable><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype"><tr><tdclass="prettyprint">mxText.prototype.baseSpacingLeft</td></tr></table></blockquote>Specifies the spacing to be added to the left spacing. </div></div><divclass=CToolTipid="tt184"><divclass=CVariable><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype"><tr><tdclass="prettyprint">mxText.prototype.baseSpacingRight</td></tr></table></blockquote>Specifies the spacing to be added to the right spacing. </div></div><divclass=CToolTipid="tt185"><divclass=CVariable><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype"><tr><tdclass="prettyprint">mxText.prototype.baseSpacingTop</td></tr></table></blockquote>Specifies the spacing to be added to the top spacing. </div></div><divclass=CToolTipid="tt186"><divclass=CVariable><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype"><tr><tdclass="prettyprint">mxUrlConverter.prototype.baseUrl</td></tr></table></blockquote>Specifies the base URL to be used as a prefix for relative URLs.</div></div><divclass=CToolTipid="tt187"><divclass=CEvent>Fires before a vertex is added in addVertex. </div></div><divclass=CToolTipid="tt188"><divclass=CVariable><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype"><tr><tdclass="prettyprint">BEFORE_ADD_VERTEX: 'beforeAddVertex'</td></tr></table></blockquote>Specifies the event name for beforeAddVertex.</div></div><divclass=CToolTipid="tt189"><divclass=CVariable><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype"><tr><tdclass="prettyprint">BEFORE_UNDO: 'beforeUndo'</td></tr></table></blockquote>Specifies the event name for beforeUndo.</div></div><divclass=CToolTipid="tt190"><divclass=CEvent>Fires before the change is dispatched after the update level has reached 0 in endUpdate. </div></div><divclass=CToolTipid="tt191"><divclass=CFunction><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype"><tr><td><tableborder=0cellspacing=0cellpadding=0><tr><tdclass="PBeforeParameters prettyprint "nowrap>codec.beforeDecode = function(</td><tdclass="PParameter prettyprint "nowrap>dec,</td></tr><tr><td></td><tdclass="PParameter prettyprint "nowrap>node,</td></tr><tr><td></td><tdclass="PParameter prettyprint "nowrap>obj</td><tdclass="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Decodes an mxCell and uses the enclosing XML node as the user object for the cell (inversion).</div></div><divclass=CToolTipid="tt192"><divclass=CFunction><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype"><tr><td><tableborder=0cellspacing=0cellpadding=0><tr><tdclass="PBefo