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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) |