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  //  ÏòLPT¿Ú´òÓ¡Ò»¸öÎı¾Îļþ 
  procedure  TPosFrm.PrintFile(AFileToPrint:  string); 
  var 
    Port,  FileToPrint:  TextFile; 
    ALine:  string; 
  begin 
    AssignFile(FileToPrint,  AFileToPrint); 
    Reset(FileToprint); 
    AssignFile(Port,  'LPT1'); 
    Rewrite(Port); 
    while  not  Eof(FileToPrint)  do 
    begin 
        Readln(FileToPrint,  ALine); 
        Writeln(Port,  ALine); 
    end; 
    CloseFile(Port); 
    CloseFile(FileToPrint); 
  end; 
   
  Õâ¶Î³ÌÐò?²»È»³ÌÐòÎÞÏìÓ¡ÁË.
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