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W1044 Suspicious typecast of %s to %s (Object Pascal)

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This warning flags typecasts like PAnsiChar(String) or PChar(AnsiString) which are casting between different string types without character conversion. If the code generating this warning calls a Win32 API routine, be sure that you use the wide version of the Win32 API routine when passing a String parameter:


var
  S: AnsiString;
begin
  MessageBox(0, PChar(S), 'Error', MB_OK);
end;

needs to be corrected to:


var
  S: AnsiString;
begin
  MessageBoxA(0, PAnsiChar(S), 'Error', MB_OK);
end;
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