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This release of the OS/2 Multimedia Application Programming Guide includes the following:

;Using a Control Program Queue for Notifications
:An OS/2 application that does not have a PM window, and therefore cannot use a PM message queue for receiving notification messages, can use an OS/2 Control Program queue instead. The Control Program queue method of notification should also be considered for time-critical PM applications, because it is faster than using the PM message queue.

;Direct Audio RouTines (DART) Interface
:The DART interface enables games and multimedia applications to bypass the waveaudio device entirely and communicate directly with the amp mixer.

;Additional DIVE functionality
:DIVE transparent blitting functions enable an interactive game or imaging application to create composites of graphics and image data using a transparency key color. See Transparent Blitting for more information.

;Additional flags for MCI_CUE
:Additional MCI_CUE flags allow digital video devices to seek to a specified position and to display or hide the video window when cueing the media. See Playing Motion Video Files for more information.