Have you never been annoyed when you want to display a picture, with your
favourite viewer, in a different screenmode than the one specified in the
picture file and your viewer asks for a display ID or the string name of the
screenmode instead of opening a ScreenModeRequester like the Asl or Reqtools
ones ? Sure yes ! Don't you think that is very boring to type something like
"PAL:High Res no flicker" every time you want it. This string only
represents the DisplayID of a ScreenMode and its better to choose a
ScreenMode in a requester, isn't it ? That's the job of GetScreenID. It
works similary to those GetPubName programs.
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