<divclass=CToolTipid="tt147"><divclass=CVariable><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype prettyprint"><tr><td>mxGraph.prototype.backgroundImage</td></tr></table></blockquote>Specifies the mxImage to be returned by getBackgroundImage. </div></div><divclass=CToolTipid="tt148"><divclass=CVariable>Basepath for all URLs in the core without trailing slash. </div></div><divclass=CToolTipid="tt149"><divclass=CVariable><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype prettyprint"><tr><td>var baseUrl</td></tr></table></blockquote>Specifies the base URL to be used as a prefix for relative URLs.</div></div><divclass=CToolTipid="tt150"><divclass=CEvent>Fires before a vertex is added in addVertex. </div></div><divclass=CToolTipid="tt151"><divclass=CVariable>Specifies the event name for beforeAddVertex.</div></div><divclass=CToolTipid="tt152"><divclass=CVariable>Specifies the event name for beforeUndo.</div></div><divclass=CToolTipid="tt153"><divclass=CEvent>Fires before the change is dispatched after the update level has reached 0 in endUpdate. </div></div><divclass=CToolTipid="tt154"><divclass=CFunction><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype prettyprint"><tr><td><tableborder=0cellspacing=0cellpadding=0><tr><tdclass=PBeforeParametersnowrap>codec.beforeDecode = function(</td><tdclass=PParameternowrap>dec,</td></tr><tr><td></td><tdclass=PParameternowrap>node,</td></tr><tr><td></td><tdclass=PParameternowrap>obj</td><tdclass=PAfterParametersnowrap>)</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="tt155"><divclass=CFunction><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype prettyprint"><tr><td><tableborder=0cellspacing=0cellpadding=0><tr><tdclass=PBeforeParametersnowrap>codec.beforeDecode = function(</td><tdclass=PParameternowrap>dec,</td></tr><tr><td></td><tdclass=PParameternowrap>node,</td></tr><tr><td></td><tdclass=PParameternowrap>obj</td><tdclass=PAfterParametersnowrap>)</td></tr></table></td></tr></table></blockquote>Decodes the any child nodes as using the respective codec from the registry.</div></div><divclass=CToolTipid="tt156"><divclass=CFunction>Decodes the ui-part of the configuration node by reading a sequence of the following child nodes and attributes and passes the control to the default decoding mechanism:</div></div><divclass=CToolTipid="tt157"><divclass=CFunction><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype prettyprint"><tr><td><tableborder=0cellspacing=0cellpadding=0><tr><tdclass=PBeforeParametersnowrap>mxObjectCodec.prototype.beforeDecode = function(</td><tdclass=PParameternowrap>dec,</td></tr><tr><td></td><tdclass=PParameternowrap>node,</td></tr><tr><td></td><tdclass=PParameternowrap>obj</td><tdclass=PAfterParametersnowrap>)</td></tr></table></td></tr></table></blockquote>Hook for subclassers to pre-process the node for the specified object and return the node to be used for further processing by decode. </div></div><divclass=CToolTipid="tt158"><divclass=CFunction><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype prettyprint"><tr><td><tableborder=0cellspacing=0cellpadding=0><tr><tdclass=PBeforeParametersnowrap>codec.beforeDecode = function(</td><tdclass=PParameternowrap>dec,</td></tr><tr><td></td><tdclass=PParameternowrap>node,</td></tr><tr><td></td><tdclass=PParameternowrap>obj</td><tdclass=PAfterParametersnowrap>)</td></tr></table></td></tr></table></blockquote>Decodes the optional children as cells using the respective decoder.</div></div><divclass=CToolTipid="tt159"><divclass=CFunction><blockquote><tableborder=0cellspacing=0cellpadding=0class="Prototype prettyprint"><tr><td><tableborder=0cellspacing=0cellpadding=0><tr><tdclass=PBeforeParametersnowrap>mxObjectCodec.prototype.beforeEncode = function(</td><tdclass=PParameternow
