WM_CAP_PAL_AUTOCREATE

	Overview

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	Quick Info

The WM_CAP_PAL_AUTOCREATE message requests that the capture driver sample video frames and automatically create a new palette. You can send this message explicitly or by using the capPaletteAuto macro.

wParam = (WPARAM) (iFrames);

lParam = (LPARAM) (DWORD) (iColors);

Parameters
iFrames

Number of frames to sample.

iColors

Number of colors in the palette. The maximum value for this parameter is 256.

Return Values
Returns TRUE if successful or FALSE otherwise.

If an error occurs and an error callback function is set using the WM_CAP_SET_CALLBACK_ERROR message, the error callback function is called.

Remarks
The sampled video sequence should include all the colors you want in the palette. To obtain the best palette, you might have to sample the whole sequence rather than a portion of it.

See Also
capPaletteAuto, WM_CAP_SET_CALLBACK_ERROR

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