XmTransferStartRequest begins a MULTIPLE request. The MULTIPLE request may contain one or more calls to XmTransferValue. Your application concludes a MULTIPLE request by calling XmTransferSendRequest.
XmTransferStartRequest is typically called by a destination callback or by a transfer procedure.
- Specifies a unique indentifier for the data transfer operation. You should use the transfer_id passed in the XmDestinationCallbackStruct or XmSelectionCallbackStruct.