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.
Raster .NET | C API | C++ Class Library | JavaScript HTML5
Document .NET | C API | C++ Class Library | JavaScript HTML5
Medical .NET | C API | C++ Class Library | JavaScript HTML5
Medical Web Viewer .NET
