... MsgInfo( oControl:isDerivedFrom( "TWINDOW" ) ) that help me very much :D --- when using FWLOG i "just" got 1-DIM Array which Controls oMain:aControls = {TSAY,TCOMBOBOX,TFOLDER,TCOMBOBOX,TFOLDER,TSPLITTER,TBUTTON, ... } but when look at each Control there are ...