C#

private delegate void edi2xml_delegate(object ar);
private edi2xml_delegate edi2xml_del;

public void convert_file(object async)
{
       DemoApplication.edi_test edi2xml_converter = new DemoApplication.edi_test();
       edi2xml_converter.file_path = pub.def.edi_file_directory + "\\" + file_list.file_name;

       edi2xml_del = new edi2xml_delegate(edi2xml_converter.convert);

       //--This is the invoking
       edi2xml_del.BeginInvoke(null, import_xml2db, (string)(pub.def.edi_file_directory + "\\" + file_list.file_name + ".xml"));

}



private void import_xml2db(IAsyncResult ar)
{
       //--In this callback method i need to get the return state of the invoked method
       string full_path = (string)ar.AsyncState;

       edi2xml_del.EndInvoke(ar);  
}


//--This function is in another project (another assembly) so I can't set some bool variable in the other project because i would get circular dependency error

public void edi2xml()

{
      //--Here I need to somehow signal the import_xml2db method(the callback method) that i have   succeded or not (true-false)

}