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Language
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Description
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C/C++
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typedef void (__stdcall *PTRANSFER_COMPLETION_ROUTINE)(
| ULONG dwNumberOfBytesTransfered);
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Delphi
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TTRANSFER_COMPLETION_ROUTINE = procedure (ErrorCode : Longint;
NumberOfBytesTransfered : Longint); stdcall;
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VB
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Sub CompletionRoutine(ByVal ErrorCode As Long, ByVal NumberOfBytesTransfered As Long)
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Parameters
| If transfer was successful error code is zero.
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| dwNumberOfBytesTransfered
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| Number of bytes that were transferred during operation.
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Description
This function is callback that is used with UsbTransferAsync function. It is called when the asynchronous input and output (I/O) operation is completed or canceled.
Note
In Visual Basic use AddressOf operator to handle callback to UsbTransferAsync.
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