WM_CAP_SEQUENCE - Win32 Multimedia Programmer's Reference (mmedia.hlp)

	Overview

	Group

WM_CAP_SEQUENCE

The WM_CAP_SEQUENCE message initiates streaming video and audio capture to a file. You can send this message explicitly or by using the capCaptureSequence macro.

WM_CAP_SEQUENCE

wParam = (WPARAM) 0;

lParam = 0L;

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
If you want to alter the parameters controlling streaming capture, use the WM_CAP_SET_SEQUENCE_SETUP message prior to starting the capture.

By default, the capture window does not allow other applications to continue running during capture. To override this, either set the fYield member of the CAPTUREPARMS structure to TRUE, or install a yield callback function.

During streaming capture, the capture window can optionally issue notifications to your application of specific types of conditions. To install callback procedures for these notifications, use the following messages:

WM_CAP_SET_CALLBACK_ERROR
WM_CAP_SET_CALLBACK_STATUS
WM_CAP_SET_CALLBACK_YIELD
WM_CAP_SET_CALLBACK_VIDEOSTREAM
WM_CAP_SET_CALLBACK_WAVESTREAM

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