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Leadtools.Controls Namespace > Classes > ImageViewerVirtualizerEventArgs > Properties > IsHandled Property
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IsHandled Property (ImageViewerVirtualizerEventArgs)
Summary
Indicates whether the viewer should perform the default action when a virtualizer item is ready
Syntax
public bool IsHandled { get; set; } Public Property IsHandled() As BooleanGetSet
public:property bool IsHandled{bool get()void set(bool value)}
Property Value
false if the viewer should perform the default action when a virtualizer item is ready, otherwise; true to indicate that the action was handled and the viewer should render the item.
Remarks
VirtualizeItemReady is raised through Virtualizer after LoadItem returns the image data of an item. The viewer will automatically invalidate the item area so it can be re-rendered and the place holder replaced with the actual image data.
You can use subscribe to this event to perform the following:
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Track when an image data of an item is ready for debugging or logging purposes.
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Replace the default implementation described above. Set the value of ImageViewerVirtualizerEventArgs.IsHandled to true to stop the viewer from invalidated the area of the item to be re-rendered.
Requirements
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