procedure TForm1.TreeView1MouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
if TreeView1.GetNodeAt(x, y) <> nil then
TreeView1.Selected := TreeView1.GetNodeAt(x, y);
end;
begin
if TreeView1.GetNodeAt(x, y) <> nil then
TreeView1.Selected := TreeView1.GetNodeAt(x, y);
end;
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