TypeScript
JavaScript
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Gets a value that indicate if the viewer currently has an image (single item mode).
Object.defineProperty(ImageViewer.prototype, 'hasImage',get: function())
hasImage: boolean; // read-only
true if the viewer currently has an image; otherwise, false.
The viewer has an image when the value of ImageSize is not empty (0,0). In other words, if any of ImageUrl, Image or Canvas has been set to a valid value or if the user set the value of ImageSize directly.
This is a helper property for applications that use ImageViewer in single item mode. It is a shortcut to ActiveItem. For more information, refer to Image Viewer in Single Item Mode.
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