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I am trying to use this in a class.
OSStatus MIDIPortConnectSource(
MIDIPortRef port,
MIDIEndpointRef source,
void* connRefCon)
I’m not sure what connRefCon should be declared as in the header file. Can anyone help me with this?
That is for your use. It is passed to your
MIDIReadProcto identify the source. If you don’t need to identify the source you can set it toNULL.