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InvokeOSLGetErrDescUPP(_:_:)

Calls an object callback get error descriptor universal procedure pointer.

Declaration

func InvokeOSLGetErrDescUPP(_ appDescPtr: UnsafeMutablePointer<UnsafeMutablePointer<AEDesc>?>!, _ userUPP: OSLGetErrDescUPP!) -> OSErr

Return Value

A result code. See Result Codes.

Discussion

See the OSLGetErrDescProcPtr callback function.

See Also

Creating, Calling, and Deleting Universal Procedure Pointers