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From: aurele.vitali@sympatico.ca (Aurele Vitali)
Newsgroups: comp.lang.ada
Subject: Re: GNAT Ada - Clear Screen
Date: 19 Apr 2003 09:25:00 -0700
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"Tarjei T. Jensen" <tarjei@online.no> wrote in message news:<9e6oa.5034$8g5.77486@news2.e.nsc.no>...
> "Fingertip" wrote:
> > I am using a GNAT Ada compiler, and I want to be able to clear the console
> > window.
> 
> There is a solution. You will have to search this newsgroup. Search this
> group for the name "Jerry van Dijk". He has created a NT console package.
> 
> BTW I have not used it.
> 
> greetings,

Here a quick way of clearing the screen on NT:

  function Command_Interpreter( Command : in Interfaces.C.Strings.Chars_Ptr )
                                return Interfaces.C.Int; 
  pragma import( c, Command_Interpreter, "system" );

  -- Set_Console_Mode: This function sets the number of lines and columns 

  procedure Set_Console_Mode is
    iResult : Interfaces.C.Int;
  begin
    iResult := Command_Interpreter( Interfaces.C.Strings.New_String( 
                          "MODE CON COLS=80 LINES=25" ) );
  end Set_Console_Mode;

  -- Clear_Screen: This function clears the screen 

  procedure Clear_Screen is
    iResult : Interfaces.C.Int;
  begin
    iResult := Command_Interpreter( Interfaces.C.Strings.New_String( "CLS" ) );
  end Clear_Screen;

Cheers
Aurele