TypeScript
JavaScript
References ▼
Index for the first visible item or part of it in the viewer.
ImageViewer.prototype.getFirstVisibleItemIndex = function(part)
getFirstVisibleItemIndex(part: ImageViewerItemPart): number;
part
The item part requested. To use the whole item, pass ImageViewerItemPart.View.
The 0-based index of the first visible item or -1 if the item does not have any visible items.
For more information refer to Image Viewer Layouts, Image Viewer Appearance, Image Viewer Items, Image Viewer Transformation, and Image Viewer Bounds and Transform.
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