Automating Playback
You can automate playback in your application by using
MCIWndCreate and the
MCIWndPlay macro, along with either the
MCIWndDestroy or the
MCIWndClose macro. To automate playback, specify the MCIWNDF_NOPLAYBAR and
MCIWNDF_NOTIFYMODE styles in the
MCIWndCreate dwStyle parameter. Specify the MCIWNDF_NOPLAYBAR style to hide the toolbar, and the
MCIWNDF_NOTIFYMODE style to issue an appropriate notification message when the
device stops playing.
You can play the device or file specified in
MCIWndCreate by using
MCIWndPlay. The
MCIWndPlay macro starts playing the content from its current playback position and
continues to its end.
You can destroy or close an MCIWnd window by using the
MCIWndDestroy or
MCIWndClose macro. The
MCIWndDestroy macro closes the device or file and destroys the MCIWnd window by
invalidating its handle. If your application can reuse the MCIWnd window, use
MCIWndClose to close the device without destroying the window.
Your application can detect when the device stops playing and automatically
close the window. To do this, specify the MCIWNDF_NOTIFYMODE style for the
dwStyle parameter of
MCIWndCreate. This causes the device to send a
MCIWNDM_NOTIFYMODE message whenever it changes modes. Your application can trap this message to
determine whether the device has stopped playing. When the device stops
playing, the application closes the window.
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