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...assign the text of a file to a string?
Autor: Thomas Stutz
[ Print tip ]  

Tip Rating (18):  
     


function GetTextFromFile(AFile: stringvar Returnstring: string): Boolean;
var
  
FileStream: TFileStream;
begin
  
Result := False;
  if not FileExists(AFile) then Exit;
  FileStream := TFileStream.Create(AFile, fmOpenRead);
  try
    if 
FileStream.Size <> 0 then
    begin
      
SetLength(Returnstring, FileStream.Size);
      FileStream.Read(Returnstring[1], FileStream.Size);
      Result := True;
    end;
  finally
    
FileStream.Free;
  end;
end;

procedure TForm1.Button1Click(Sender: TObject);
var
  
s: string;
begin
  if 
GetTextFromFile('c:\autoexec.bat', s) then
  begin
    
ShowMessage(s);
    // Label1.caption := s; or assign the text to a Label
    // Memo1.text := s;     or a memo
  
end;
end;

 

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