GdipFillPolygon2I(GpGraphics graphics, GpSolidFill brush, GpPoint[] points, int count);
GdipFillPolygon(GpGraphics graphics, GpSolidFill brush, GpPointF[] points, int count, FillMode fillMode);
GdipDeleteBrush(GpSolidFill brush);
GdipGetSolidFillColor(GpSolidFill brush, out int color);
GdipSetSolidFillColor(GpSolidFill brush, int color);
GdipCreateSolidFill(int color, out GpSolidFill brush);