Brush:
CreateSolidBrush
DeleteObject
FillRect
FrameRgn
GdipCreatePathGradientI
GdipCreateSolidFill
GdipCreateTexture
GdipDeleteBrush
GdipFillPieI
GdipFillRectangle
GdipScaleTextureTransform
GdipSetPathGradientCenterColor
GdipSetPathGradientCenterPointI
GetBkMode
GetSysColorBrush
Polygon
SetBkMode
GDI+: loading image file, drawing on it, saving the result to another file