Microsoft KB Archive/108497

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INFO: DIB_PAL_INDICES and CBM_CREATEDIB Not Supported in Win32s

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Q108497

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The information in this article applies to:


 * Microsoft Win32s versions 1.0, 1.1, 1.2
 * Microsoft Win32 Software Development Kit (SDK), on platform(s):
 * the operating system: Microsoft Windows 95

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SUMMARY
The Windows NT implementation of the Win32 application programming interface (API) includes two new flags, DIB_PAL_INDICES and CBM_CREATEDIB, that can be used with various device-independent bitmap (DIB) APIs. These flags are not supported by Windows 3.1, Win32s, or Windows 95.

DIB_PAL_INDICES
In Windows NT, the DIB_PAL_INDICES flag can be used with the following APIs:

  CreateDIBitmap CreateDIBPatternBrush CreateDIBPatternBrushPt SetDIBits GetDIBits SetDIBitsToDevice StretchDIBits When the dwUsage parameter is DIB_PAL_INDICES, the associated DIB does not have a color table. In this case, the bitmap bits are indices into the device palette.

Applications written to run on Windows 3.1 or Win32s should use DIB_PAL_COLORS or DIB_RGB_COLORS instead of DIB_PAL_INDICES.

Windows 95 does not support DIB_PAL_INDICES.

CBM_CREATEDIB
In Windows 3.1, CreateDIBitmap creates a device-dependent bitmap (DDB) from a DIB definition and optionally initializes the DDB. In Windows NT, the CBM_CREATEDIB flag can be used with CreateDIBitmap to create a new DIB instead of a DDB.

This functionality is not present in Windows 3.1 or Win32s.

Windows 95 does not support CBM_CREATEDIB. Equivalent functionality is provided in Windows 95 by CreateDIBSection.

Additional query words: 1.00 1.10 1.20 4.00

Keywords : kbSDKWin32 kbOSWin310 kbOSWin95 kbDSupport

Issue type : kbinfo

Technology : kbWin32SDKSearch kbAudDeveloper kbSDKSearch kbWin32sSearch