Method UpdateAppearance
    Namespace TallComponents.PDF.Annotations.Widgets
        Class Widget
This updates the appearance of this widget.
You should call this function when you change at least one of the following items:
The format action in the connected Field (type must be ValueField).The JavaScript inside the format action.Document level JavaScript called by the format action.
Note that this function is automatically called when you change any widget or annotation property, or set a new ValueField.Value.
Syntax
        public 
        
Void
         UpdateAppearance(
        
        )
    
    Returns
Void