finding all data sources in a form through code

static void AllDataSourcesInForm(Args _args)
{
    Args args = new Args();
    FormRun fr;
    FormBuildDataSource formBuildDataSource;
    counter i;
    ;
  
    args.name("CustTable");
    fr = ClassFactory.formRunClass(args);
    for(i=1 ; i<=fr.form().dataSourceCount();i++)
    {
        formBuildDataSource = fr.form().dataSource(i);
        info(new DictTable(formBuildDataSource.table()).name());
    }
}