object

      Object associated with this media control interface command. The object can be one of the following:

      • Device type
      • Device name
      • Filename
      • Alias
      AT rect
        Specifies a rectangle relative to the window origin in device coordinates. The rectangle array is specified as X1 Y1 X2 Y2. The coordinates X1 Y1 specify the lower-left corner and X2 Y2 specify the upper-right corner. Only the video in that subregion will be frozen.
      OUTSIDE rect
        The area outside the specified rectangle is to be affected.
      WAIT
        The command is executed synchronously. The function waits until the requested action is complete before returning to the application.
      NOTIFY
        The command is executed asynchronously, allowing control to be returned immediately to the application. When the requested action is complete, an MM_MCINOTIFY message is sent to the application window procedure.

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