ID2D1SourceTransform.Draw

Undocumented in source but is binding to Windows. You might be able to learn more by searching the web for its name.
interface ID2D1SourceTransform
extern (Windows)
HRESULT
Draw
(
ID2D1Bitmap1 target
,
const(D2D1_RECT_L)* drawRect
,
D2D1_POINT_2U targetOrigin
)

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