Delphi: PolyDraw zeichnet nicht.

Hallo Delphianer,

ich habe folgenden Code

leider wird in der Prozedur "TitelPaint" die DrawPoly Sequenze irgendwie nicht ausgeführt !!!

Ich will eine Polygon (weißer hintergrund) 2 Points Pen scwarz haben - wie geht das ???

danke für hilfe

unit main;


interface


uses

  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

  Dialogs, ExtCtrls;


type

  TForm1 = class(TForm)

    Panel1: TPanel;

    procedure FormCreate(Sender: TObject);

  private

    { Private declarations }

  public

    procedure TitelPaint(var msg: TWMNCPaint); message WM_NCPAINT;

  end;


var

  Form1: TForm1;


implementation


{$R *.dfm}


procedure TForm1.TitelPaint(var msg: TWMNCPaint);

var

  tr: TRect;

  dc: HDC;

  hb: HBRUSH;

  pt: Byte;

  PolyR1: array[1..5] of TPoint;

begin

  hb := CreateSolidBrush(RGB(0,0,200));

  dc := GetWindowDC(self.Handle);

  FillRect(dc,rect(0,0,Width,25),hb);

  FillRect(dc,rect(0,0,2,Height),hb);

  DeleteObject(hb);


  PolyR1[1].x := 17;       PolyR1[1].y := 5;

  PolyR1[2].x := 10;       PolyR1[2].y := 5;

  PolyR1[3].x :=  0;       PolyR1[3].y := 15;

  PolyR1[4].x :=  0;       PolyR1[4].y := 23;

  PolyR1[5].x := 17;       PolyR1[5].y := 5;


  hb := CreatePen(PS_SOLID,4,RGB(200,200,200));

  SelectObject(dc,hb);

  pt := PT_MOVETO;

  PolyDraw(dc,PolyR1,pt,5);

  DeleteObject(hb);


  ///self.Paint;

end;


procedure TForm1.FormCreate(Sender: TObject);

var

  FullRgn,

  ClientRgn,

  ControlRgn: THandle;

  X,

  Y: Integer;

  PolyR1: array[0..8] of TPoint;

begin

  PolyR1[0].x := 17;       PolyR1[0].y := 0;

  PolyR1[1].x := 17;       PolyR1[1].y := 5;

  PolyR1[2].x := 10;       PolyR1[2].y := 5;

  PolyR1[3].x :=  0;       PolyR1[3].y := 15;

  PolyR1[4].x :=  0;       PolyR1[4].y := 25;

  PolyR1[5].x :=  0;       PolyR1[5].y := Height;

  PolyR1[6].x := Width;    PolyR1[6].y := Height;

  PolyR1[7].x := Width;    PolyR1[7].y := 26;

  PolyR1[8].x := Width-30; PolyR1[8].y := 0;


  FullRgn := CreatePolygonRgn(PolyR1,9,ALTERNATE);

  SetWindowRgn(Handle, FullRgn, True);

end;


end.

[/PHP]