Source position: agraphics.pas line 550
type TCollectPixelsLayerMsg = record
xSrc: LongInt;
ySrc: LongInt;
Width: LongInt;
Height: LongInt;
xDest: LongInt;
yDest: LongInt;
Bm: PBitMap;
Layer: PLayer;
minterm: ULONG;
end;