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2.2.1.8.1 UnRegisterMediaEventCallback(request)

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The CallingConvention parameter in the Dispatch Request tag MUST be dslrRequest (0x00000001). The function handle for the Dispatch Request tag for UnRegisterMediaEventCallback MUST be 0x00000009.

This message is used to disconnect and release the current Media Event Callback Service between the extender device and the host.

The request payload (input parameters) is as follows:


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Cookie

Cookie (4 bytes): An unsigned 32-bit integer. It is a value sent by the extender device while registering.