invalidateItem Method

Summary

Invalidate an item.

Syntax

JavaScript Syntax
ImageViewer.prototype.invalidateItem = function(item)
TypeScript Syntax
invalidateItem(item: ImageViewerItem): void;

Parameters

item

The item to invalidate. This parameter cannot be null.

Remarks

Calling this method will cause the viewer to re-render the item. This is performed internally by passing the value obtained the value of GetItemViewBounds for the item and if it is not empty, passing to Invalidate.

For more information, refer to Image Viewer Rendering.

Requirements

Target Platforms

Help Version 19.0.2017.10.27
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