procedure TForm1.Button1Click(Sender: TObject);
var
OldTextColor: TColorRef;
OldBkColor: TColorRef;
OldBkMode: Integer;
begin
OldTextColor := SetTextColor(Form1.Canvas.Handle, clYellow);
OldBkColor := SetBkColor(Form1.Canvas.Handle, clGreen);
OldBkMode := SetBkMode(Form1.Canvas.Handle, OPAQUE);
TextOut(Form1.Canvas.Handle, 20, 20, 'Delphi World - лучше всех! ;-)', 27);
SetBkMode(Form1.Canvas.Handle, OldBkMode);
SetBkColor(Form1.Canvas.Handle, OldBkColor);
SetTextColor(Form1.Canvas.Handle, OldTextColor);
end;