請參閱插圖
HRESULT OnSplitImages( IIntsCollection* PageIndices, IRegionsCollection* Regions, VARIANT_BOOL* Cancel );
void OnSplitImages( IIntsCollection PageIndices, IRegionsCollection Regions, out bool Cancel );
Sub OnReadBlocks( _ PageIndices As IIntsCollection, _ Regions As IRegionsCollection, _ ByRef Cancel As Boolean _ )
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