TdxCustomTreeView.OnDeletion Event

Allows you to perform specific actions every time a node is deleted.

Declaration

property OnDeletion: TdxTreeViewNodeEvent read; write;

Remarks

This event occurs every time a tree node is deleted from the Tree View.

The following OnDeletion event handler clears the control’s selection when a node is deleted:

Delphi

procedure TForm1.dxTreeViewControl1Deletion(Sender: TdxCustomTreeView;
  ANode: TdxTreeViewNode);
begin
    Sender.ClearSelection;
end; 

C++

void __fastcall TForm1::dxTreeViewControl1Deletion(TdxCustomTreeView *Sender,
  TdxTreeViewNode *ANode)
{
  Sender->ClearSelection();
}

Refer to the TdxTreeViewNodeEvent type description for information on available options.