Thisform.AddObject('cntUpperSelector','Container')>which is nicely shown in the Trace window. Some lines further down again Addobject(..) is used, this time placing an object, based on a user defined class contained in a class library, which is accessible. (Without the >Set Step On< this method does its job nicely, so the class lib must be accessible.) The command line is
Thisform.cntUpperSelector.AddObject('NextObject','UserDefinedClassLib')>As soon as the debugger comes across this line, it displays
Source not available
>After some experiments and some cups of coffee I found the solution: By hitting F5 I could have the code to continue, but this is not what I wanted. So I made some experiments and finally found it: