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DeleteItem Method (ImageViewerVirtualizer)
Summary
Delete the image data for an item.
Syntax
protected abstract void DeleteItem(ImageViewerItem item,object data)
Protected MustOverride Sub DeleteItem(ByVal item As ImageViewerItem,ByVal data As Object)
protected:virtual void DeleteItem(ImageViewerItem^ item,Object^ data) abstract
Parameters
item
Source item
data
The image object for this item.
Remarks
This method is called when the item is no longer used. data must be deleted by the derived class here. For example, if
data implements System.IDisposable, then it should be disposed here.
data is the same object returned from LoadItem for this item.
You should encapsulate the code inside this method with a try/catch and handle the error correctly. This method will not automatically fire the ItemError event.
Example
For an example, refer to ImageViewerVirtualizer.
Requirements
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© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
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