нужно почитать про Regions
Region Functions
CombineRgn
CreateEllipticRgn
CreateEllipticRgnIndirect
CreatePolygonRgn
CreatePolyPolygonRgn
CreateRectRgn
CreateRectRgnIndirect
CreateRoundRectRgn
EqualRgn
ExtCreateRegion
FillRgn
FrameRgn
GetPolyFillMode
GetRegionData
GetRgnBox
InvertRgn
OffsetRgn
PaintRgn
PtInRegion
RectInRegion
SetPolyFillMode
GetWindowRgn
SetWindowRgn
|