IWiaImageFilter interface (wia_lh.h)
The IWiaImageFilter interface is an extension interface implemented by image processing filter developers and called by Microsoft Windows Image Acquisition (WIA).
Inheritance
The IWiaImageFilter interface inherits from the IUnknown interface.
Methods
The IWiaImageFilter interface has these methods.
| IWiaImageFilter::FilterPreviewImage The IWiaImageFilter::FilterPreviewImage method is called by the WIA Preview component, when an application calls the IWiaPreview::UpdatePreview method. |
| IWiaImageFilter::InitializeFilter The IWiaImageFilter::InitializeFilter method stores the references to pWiaItem2 and pWiaTransferCallback parameters passed into the method. |
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | wia_lh.h (include Wia_lh.h) |
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