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Playing video clips with 8-bit color depth (256-color capacity) requires a palette to define the colors being used. Sometimes, the palette included with a video clip is not the most appropriate palette to use during playback. In this case, MCIWnd provides three ways to manage palettes for playback:

• Retrieve a handle to the palette associated with an MCIWnd window by using the MCIWndGetPalette macro. The palette is not necessarily associated exclusively with the MCIWnd window. Other applications can access, and even invalidate, the palette handle. Consequently, your application should anticipate the global use of the palette and, when finished with the palette, should not free it.

• Specify a new palette to use with the video clip associated with an MCIWnd window by using the MCIWndSetPalette macro.

• Realize the palette associated with an MCIWnd window to the system palette by using the MCIWndRealize macro. This macro calls the RealizePalette function with the palette associated with the MCIWnd window. If your application message handlers for WM_PALETTECHANGED and WM_QUERYNEWPALETTE call only RealizePalette or MCIWndRealize, you must forward these messages to MCIWnd if you do not handle them yourself.

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Dmitry Vasiliev (just.dmitry)

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