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what IBITMAP_QueryInterface exactly do? the manual doesn't give enough info.

It is used to get pointers to following interfaces/classes-
IBitmapDev (interface ID of AEEIID_IBitmapDev)
IBitmapRot (interface ID of AEEIID_BITMAPROT)
IDIB (class ID AEECLSID_DIB)

It is used to get pointers to following interfaces/classes-
IBitmapDev (interface ID of AEEIID_IBitmapDev)
IBitmapRot (interface ID of AEEIID_BITMAPROT)
IDIB (class ID AEECLSID_DIB)

adhudase wrote:It is used to get pointers to following interfaces/classes-
IBitmapDev (interface ID of AEEIID_IBitmapDev)
IBitmapRot (interface ID of AEEIID_BITMAPROT)
IDIB (class ID AEECLSID_DIB)
ITRANSFORM (AEECLSID_TRANSFORM, interface for rotating/resizing IBitmaps)?

adhudase wrote:It is used to get pointers to following interfaces/classes-
IBitmapDev (interface ID of AEEIID_IBitmapDev)
IBitmapRot (interface ID of AEEIID_BITMAPROT)
IDIB (class ID AEECLSID_DIB)
ITRANSFORM (AEECLSID_TRANSFORM, interface for rotating/resizing IBitmaps)?