获得Memo、RichEdit的光标位置

获得Memo、RichEdit的光标位置：

procedure TForm1.Button1Click(Sender: TObject);

var Row, Col : integer;

begin

Row := SendMessage(Memo1.Handle, EM_LINEFROMCHAR, Memo1.SelStart, 0);

Col := CustEdit.SelStart - SendMessage(Memo1.Handle, EM_LINEINDEX, -1, 0);

Edit1.Text:='行,列:'+IntToStr(Row)+','+IntToStr(Col);

end;