DEFINE WINDOW wScreen1 FROM 10,10 TO 20,69
DEFINE WINDOW wScreen2 FROM 1,0 TO 19,79
CLEAR
? WEXIST('wScreen1') && Displays .T.
STORE 'wScreen2' TO gcWinName
? WEXIST('win_name') && Displays .F.
? WEXIST(gcWinName) && Displays .T.
RELEASE WINDOWS wScreen1, wScreen2