capDlgVideoDisplay

The capDlgVideoDisplay macro displays a dialog box in which the user can set or adjust the video output. This dialog box might contain controls that affect the hue, contrast, and brightness of the displayed image, as well as key color alignment. You can use this macro or explicitly send the WM_CAP_DLG_VIDEODISPLAY message.

BOOL capDlgVideoDisplay(

hwnd
);

Parameters

hwnd

Handle of a capture window.

Return Values

Returns TRUE if successful or FALSE otherwise.

Remarks

The controls in this dialog box do not affect digitized video data; they affect only the output or redisplay of the video signal.

The Video Display dialog box is unique for each capture driver. Some capture drivers might not support a Video Display dialog box. Applications can determine if the capture driver supports this message by checking the fHasDlgVideoDisplay member of the CAPDRIVERCAPS structure.

See Also

CAPDRIVERCAPS, WM_CAP_DLG_VIDEODISPLAY

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