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POmaking a base64 decoded text visible without changing "windows language for non unicode program settings" "
 

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  1. POmaking a base64 decoded text visible without changing "windows language for non unicode program settings" "
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    <p>I encoded a text in a TMemo using base64 encoding tools ( like Indy tools ) but after decoding the result text, I just get some " ? " characters instead of the correct text . the original text is in persian language .</p> <p>THE QUESTION IS :</p> <p>I can see the decoded text if I set the windows"language for non unicode programs " on persian language . but I wanna make the decoded text visible without changing the " windows non unicode ... " . </p> <p>Its about two weeks Im stuck on this ! I tried "UTF8ToWideString" , "UTF8ToUTF16","UTF8ToUnicodeString","UTF8ToString","UTF8Decode" and "UTF8EncodeToShortString" but non of them worked.</p> <p>Encoding > </p> <pre><code> var input,output:TstringStream; begin input:=nil; output:=nil; input:=TstringStream.Create; output:=TstringStream.Create; memo1.Lines.SaveToStream(input); input.Position:=0; encoder.Encode(input,output); output.Position:=0; memo2.Clear; memo2.Lines.LoadFromStream(output); input.Free; output.Free end; </code></pre> <p>Decoding >></p> <pre><code>var input,output:TStringStream; begin memo3.Clear; input:=nil; output:=nil; input:=TStringStream.Create(); output:=TStringStream.Create(); memo2.Lines.SaveToStream(input); input.Position:=0; decoder.DecodeBegin(output); decoder.Decode(input); decoder.DecodeEnd; output.Position:=0 ; memo3.Lines.Add(output.DataString); end; </code></pre> <p>I also tried delphi internal encoding tools . as following </p> <pre><code>// encoding &gt; memo2.Lines.Add(EncodeString(memo1.Lines.Text)) // decoding&gt; memo3.lines.add(DecodeString(memo2.Lines.Text)) ; </code></pre>
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    1. USRRUZ
    1. USHesi
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      1. POmaking a base64 decoded text visible without changing "windows language for non unicode program settings" "
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      1. VTUpMod
    1. COMaybe your base64 encoding tools can't cope with the original unicode and the problem is in the encoding not the decoding. Try adding just one character to the Tmemo (one of the problem characters) and see how long the resulting base64 string is. Is it long enough to have 16 bits, or is it just 8?
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      1. POmaking a base64 decoded text visible without changing "windows language for non unicode program settings" "
      1. USweston
    2. COI don't think the encoder being malfunctioning . cuz I used both delphi internal encoding tool (EncdDecd unit) and IdEncode/DecodeerMime .
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      1. POmaking a base64 decoded text visible without changing "windows language for non unicode program settings" "
      1. USHesi
    3. COI tried what you said . I dont know much about such stuff so can't say if the resulting sring is 8 or 16 bits . if I encode just one character I get this > Pw== .
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      1. POmaking a base64 decoded text visible without changing "windows language for non unicode program settings" "
      1. USHesi
 

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