TTreeNodesDelete (Delphi)

Description

The following example deletes an item in the tree view when you click it, and if the check box is checked. This example requires a populated TreeView.

Code

procedure TForm1.TVMouseDown(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
var
  HT : THitTests;
begin
if (CheckBox1.Checked) and (Sender is TTreeView) then
  begin
  with Sender as TTreeView do 
    begin
    HT := GetHitTestInfoAt(X,Y);
    if (htOnItem in HT) then
      Items.Delete(GetNodeAt(X,Y));
    end;
  end;
end;

Uses

• Vcl.ComCtrls.TCustomTreeView.Items ( fr | de | ja )
• Vcl.ComCtrls.TTreeNodes.Delete ( fr | de | ja )