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c++windowsgdi

cannot convert argument 2 from 'const BITMAPINFO *' to 'const BITMAPINFO *'

I downloaded this code from the internet and got the following compile error from Microsoft Visual Studio Community 2017:

Error C2664 'HBITMAP CreateDIBSection(HDC,const BITMAPINFO *,UINT,void **,HANDLE,DWORD)':
cannot convert argument 2 from 'const BITMAPINFO *' to 'const BITMAPINFO *'

How do I solve this?

typedef struct tagBITMAPINFO {
    BITMAPINFOHEADER BitMapInfoHeader;
    RGBQUAD bmiColors[1];
} BITMAPINFO;

char * abMyBitmap = new char[sizeof(BITMAPINFOHEADER) + 100 * 100 * 4]; // ?? todo check this
const BITMAPINFO * pBitMap = (BITMAPINFO*)abMyBitmap;

HBITMAP hBitmap;
VOID * pvBits;

hBitmap = CreateDIBSection( NULL, pBitMap, DIB_RGB_COLORS, &pvBits, NULL, NULL );
Solution

  • Why you are re-defining BITMAPINFO? It is already defined in wingdi.h. Remove your typedef, and your code will compile fine.