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IWiaImageFilter interface (wia_lh.h)

  • Article

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)