2 writes to _onBeforeCollapse
System.Windows.Forms (2)
System\Windows\Forms\Controls\TreeView\TreeView.cs (2)
1380
add =>
_onBeforeCollapse
+= value;
1381
remove =>
_onBeforeCollapse
-= value;
1 reference to _onBeforeCollapse
System.Windows.Forms (1)
System\Windows\Forms\Controls\TreeView\TreeView.cs (1)
2146
_onBeforeCollapse
?.Invoke(this, e);