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IWiaMiniDrvTransferCallback interface (wiamindr_lh.h)

This is a Callback interface that is called by the WIA mini-driver for stream-based transfers.

Inheritance

The IWiaMiniDrvTransferCallback interface inherits from the IUnknown interface.

Methods

The IWiaMiniDrvTransferCallback interface has these methods.

 
IWiaMiniDrvTransferCallback::GetNextStream

Called by the WIA mini-driver to obtain a stream for the current data transfer (download or upload).
IWiaMiniDrvTransferCallback::SendMessage

Periodically called by the WIA mini-driver during a data transfer, to update the WIA application client about the progress and status of the transfer.

Requirements

Requirement Value
Minimum supported client Windows 8
Target Platform Desktop
Header wiamindr_lh.h

See also

Cancellation of Data Transfers

Data Transfer Between Legacy Application and Windows Driver

IStream Transfer Driver Example

Introduction to WIA