include pGUI.e

IupOpen()

string scrnFullSize = IupGetGlobal("FULLSIZE")
string scrnSize = IupGetGlobal("SCREENSIZE")
string scrnMInfo = IupGetGlobal("MONITORSINFO")
string scrnVScreen = IupGetGlobal("VIRTUALSCREEN")

Ihandle dlg = IupDialog(NULL,"SIZE=FULL")
string scrnXSize = IupGetAttribute(dlg,"MAXSIZE")

?{scrnFullSize, scrnSize, scrnMInfo, scrnVScreen, scrnXSize}

IupClose()