TypeScript
JavaScript
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Indicates whether the control is still loading thumbnails.
Object.defineProperty(DocumentViewerThumbnails.prototype, 'isLoading',get: function())
isLoading: boolean; // read-only
true if the control is still loading thumbnails in the background; otherwise, false.
DocumentViewerThumbnails fires the Operation events while it is loading the thumbnails as follows Refer to Document Viewer Operations for the specific details and how to customize the behavior.
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