Why the Icon of the node of TreePanel is not show?

Feb 20, 2011 at 5:51 AM
First, I Create a Ext.tree.TreePanel control in your class,but I find the icon is not appear,and the path of image is right!How to make it show?Do you shielding off the property?How to make it show in the control?
If I Create a Ext.tree.TreePanel control in other project,it will show.