2 writes to onBeforeCollapse
System.Windows.Forms (2)
winforms\Managed\System\WinForms\TreeView.cs (2)
1448
onBeforeCollapse
+= value;
1451
onBeforeCollapse
-= value;
2 references to onBeforeCollapse
System.Windows.Forms (2)
winforms\Managed\System\WinForms\TreeView.cs (2)
2228
if (
onBeforeCollapse
!= null)
onBeforeCollapse
(this, e);