CADOnError is not a callable method, but a prototype of a 4D method that you install
as an error callback method. 4D CAD will call the method when
an error occurs as a result of user operations in the 4D CAD area.
|in||The Error result code found.
Note that |
|out||Set to |
The method is not called when a 4D CAD method finds an error. Methods return an Error result code, see Error handling.
You must type the parameters of callback methods, otherwise 4D will crash in a compiled application.