>Is there any registry configuration in Windows Vista / 7 for messagebox function that make same behavior than in Winsdows XP? >Try this in command windows in both Windows XP and Windows Vista / 7: > >MessageBox("This is a messagebox that make an unwanted word-wrap after this ... (AnotherLongWord) in Windows Vista / 7") > >Implement a user defined form for messagebox is not an alternative. >Reformating messagebox text is hard, but better solution. >Any other solution, at OS configuration level?