Gets a value that indicates whether the specified item or part is currently visible in the viewer.
The image viewer item requested. This value cannot be null.
The item part requested. To use the whole item, pass ImageViewerItemPart.View.
true if the item and part are currently visible; otherwise, false.
For more information refer to the following topics:
Medical Web Viewer .NET
.NET, Java, Android, and iOS/macOS Assemblies
C API/C++ Class Libraries