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IWiaTransferCallback interface (wia_lh.h)

  • Artikel

The IWiaTransferCallback interface is implemented by image processing filter developers and called by Microsoft Windows Image Acquisition (WIA).

This interface's methods are called as a result of an application calling IWiaTransfer::Download or the preview component's IWiaPreview::GetNewPreview.

The methods on this interface depend on the IWiaTransfer and IWiaPreview interfaces.

Inheritance

The IWiaTransferCallback interface inherits from the IUnknown interface.

Methods

The IWiaTransferCallback interface has these methods.

 
IWiaTransferCallback::GetNextStream

The IWiaTransferCallback::GetNextStream method is implemented by an image processing filter.
IWiaTransferCallback::TransferCallback

The IWiaTransferCallback::TransferCallback method is implemented by an image processing filter. It is called by the WIA service as a result of an application calling IWiaTransfer::Download or the preview component's IWiaPreview::GetNewPreview.

Requirements

Requirement Value
Target Platform Windows
Header wia_lh.h (include Wia_lh.h)