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capSetCallbackOnStatus

The capSetCallbackOnStatus macro sets a status callback function in the application. AVICap calls this procedure whenever the capture window status changes. You can use this macro or explicitly call the WM_CAP_SET_CALLBACK_STATUS message.

BOOL capSetCallbackOnStatus(

hwnd,

fpProc

);

Parameters

hwnd

Handle of a capture window.

fpProc

Address of the status callback function. Specify NULL for this parameter to disable a previously installed status callback function.

Return Values

Returns TRUE if successful or FALSE if streaming capture or a single-frame capture session is in progress.

Remarks

Applications can optionally set a status callback function. If set, AVICap calls this procedure in the following situations:

  • A capture session is completed.

  • A capture driver successfully connected to a capture window.

  • An optimal palette is created.

  • The number of captured frames is reported.

See Also

WM_CAP_SET_CALLBACK_STATUS

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