Specifies the value of the property represented by the current Property Editor.
An object representing the current value of the Property Editor's bound property.
This property returns null if the ViewItem.CurrentObject property is set to null (Nothing).
You cannot set a value for this property if the Property Editor is read-only, or its ViewItem.CurrentObject is set to null (Nothing).
If you set this property manually, PropertyEditor.ControlValue will not be changed.