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Programming Windows®, Fifth Edition by Charles Petzold

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The GDI Bitmap Object

I mentioned earlier in this chapter that Windows has supported a GDI bitmap object since version 1.0. Because of the introduction of the device-independent bitmap in Windows 3.0, the GDI Bitmap Object is sometimes now also known as the device-dependent bitmap, or DDB. I will tend not to use the full, spelled-out term device-dependent bitmap because at a quick glance the words can be confused with device-independent bitmap. The abbreviation DDB is better because it is more easily visually distinguished from DIB.

The existence of two different types of bitmaps has created much confusion for programmers first coming to Windows in the version 3.0 and later days. Many veteran Windows programmers also have problems understanding ...

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