Title: How to follow the mouse in TMemo to set the cursor position
procedure TForm1.Memo1MouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
begin
Memo1.SelStart := LoWord(SendMessage(Memo1.Handle, EM_CHARFROMPOS, 0, MakeLParam(X, Y)));
Memo1.SelLength := 0;
end;