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180

answers:

2

Hi, How can I convert Delphi's DFM forms from the binary format into text format using C#?

+14  A: 

Best way is probably to call CONVERT.EXE, a command-line app included with Delphi. Here's an example in Delphi. You can do the same in C#.

Craig Stuntz
Tip: Associate the *.DFM file type with CONVERT.EXE. That way you can select multiple DFM-files in the explorer and select "Open with Convert" in the context menu.
Jørn E. Angeltveit
+2  A: 

I use these four methods to test the DFM file format and to convert as follows:

function IsDFMStreamBinary( AStream: TMemoryStream ): Boolean;
{ Returns true if dfm file is in a binary format }
var
  F: TMemoryStream;
  B: byte;
begin
  B := 0;
  F := TMemoryStream.Create;
  F.LoadFromStream( AStream );
  try
    F.read( B, 1 );
    Result := B = $FF;
  finally
    F.Free;
  end;
end;

function DfmFile2Stream( const ASrc: string; ADest: TStream ): Boolean;
{ Save dfm to stream }
var
  SrcS: TFileStream;
begin
  SrcS := TFileStream.Create( ASrc, fmOpenRead or fmShareDenyWrite );
  try
    ObjectResourceToText( SrcS, ADest );
    Result := True;
  finally
    SrcS.Free;
  end;
end;

procedure Txt2DFM( ASrc, ADest: string );
{ Convert Text to DFM }
var
  SrcS, DestS: TFileStream;
begin
  SrcS := TFileStream.Create( ASrc, fmOpenRead );
  DestS := TFileStream.Create( ADest, fmCreate );
  try
    ObjectTextToResource( SrcS, DestS );
  finally
    SrcS.Free;
    DestS.Free;
  end;
end;

function Dfm2Txt( const ASrc, ADest: string ): boolean;
{ Convert a binary DFM to text }
var
  ASrcS, ADestS: TFileStream;
begin
  ASrcS := TFileStream.Create( ASrc, fmOpenRead );
  ADestS := TFileStream.Create( ADest, fmCreate );
  try
    ObjectResourceToText( ASrcS, ADestS );
    Result := True;
  finally
    ASrcS.Free;
    ADestS.Free;
  end;
end;
Bill
I'd vote this up if you hadn't ignored the "from C#" part of the question.
Ken White
Thanks but I require C# code not Delphi
Lennie