About MCI Device Drivers

This chapter discusses the contents of an MCI device driver and how to add to and extend the MCI command set. This chapter covers the following topics:

• Using the DriverProc entry point for MCI messages
• Handling MCI messages
• Responding to the required and basic commands
• Responding to commands for specific device types
• Responding to the wait and notify flags
• Adding new MCI commands
• Functions available for use with MCI device drivers