Is it a wise idea to add a graphical warning to mscoree that Wine doesn't support running .NET applications directly yet? I was thinking about using a MessageBox() to deliver the warning. I also wanted the popup to be displayed conditionally, in which if Wine was started from the commandline, the box isn't displayed at all. Since most DEs spawn programs that, although their output reaches the tty that 'startx' was called from, they aren't attached to that tty. Evidence this by starting "tty" from within KDE or GNOME, then switch to the virtual console that you started your X session from. You should note a line near the bottom that says "not a tty". From a program's perspective, you can check for this by calling isatty(1) (file descriptor 1 is usually standard output, and I belive that POSIX mandates this behaviour) and checking if the return value is one (or not, in which display the GUI warning). Is using OS-level file descriptors in conjunction with functions such as isatty() safe programming practice with Wine? I wasn't to sure, and wanted to know.