> I want to use Canvas->Polygon(); at my Form.

> At the example I found:

> void __fastcall TForm1::PaintBox1Paint(TObject *Sender)
> {
>   POINT points[4];
>   points[0] = Point(10,10);
>   points[1] = Point(30,10);
>   points[2] = Point(130,30);
>   points[3] = Point(240,120);
>   ((TPaintBox *)Sender)->Canvas->Brush->Color = clTeal;
>   ((TPaintBox *)Sender)->Canvas->Polygon(points, 3);
> }

> I  wrote:
> void __fastcall TForm1::PaintBox1Paint(TObject *Sender)
> {
>   POINT points[4];
>   points[0] = Point(10,10);
>   points[1] = Point(30,10);
>   points[2] = Point(130,30);
>   points[3] = Point(240,120);
>   Canvas->Brush->Color = clRed;
>   Canvas->Polygon(points, 3);        // line with error
> }

> I get Error Message:
> E2034 Cannot convert 'tagPOINT *' to 'const TPoint *'.
> E2343 Type mismatch in parameter 'Points' in call to '__fastcall
> TCanvas::Polygon(const TPoint*,const int)'.

> Why???