Indicates whether this AnnDrawDesigner is currently drawing.
AnnDrawDesigner.prototype.working = function()
working(): boolean; // protected
true if this AnnDrawDesigner is currently drawing; otherwise, it is false.
For more information and an example, refer to
Implement User Defined Objects with LEADTOOLS Annotations
Medical Web Viewer .NET
.NET, Java, Android, and iOS/macOS Assemblies
C API/C++ Class Libraries