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Move a string to a TStringStream and vice-versa

Posted on 2013-05-10
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Last Modified: 2013-05-17
What is the correct way to move the content of a string to a TStringStream and vice-versa
Also, I suppose that the string should not a declared unicode but ... ?
Thanks
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Question by:LeTay
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3 Comments
 
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Sinisa Vuk earned 500 total points
ID: 39155187
you can use it both ways:
- at create:    
  strm := TStringStream.Create(sText_var);
- at later time:
  strm := TStringStream.Create('');
  strm.WriteString(sText_var);

read:
  strm.Position := 0;
  sResult := strm.ReadString(strm.Size);
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Author Comment

by:LeTay
ID: 39156170
Many thanks for your quick answer, sinisav
It is "normal" that the string (sResult in your example) is unicode ?
Unicode means a even number of bytes so what happens if the stream contains an odd number of bytes ?
Thanks
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LVL 27

Expert Comment

by:Sinisa Vuk
ID: 39156992
As far I can see (in source :-) it is irrelevant what type of string is. Internally all goes with byte operation. If you put unicode string then you must read as unicode, same with ansistring. What version of Delphi you have? In newer Delphi (XEx) there is Encoding property which tells you what type of string is on, or when you before you write to stream set this prop. to right value.
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