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Whether 0xFFFF is a valid Unicode character?

    Question

  • Hi,

    I just wonder whether 0xFFFF is a valid Unicode character.

    When I using the following code:

    CStringW strTempW;

    CString strTemp1;

    INT_PTR nLen;

    strTempW.Format(L"%c", 0xFFFF);

    nLen = strTempW.GetLength();

    strTemp1 += strTempW;

    nLen = strTemp1.GetLength();

    After executing the first codeline strTempW.Format(L”%c”, 0xFFFF), I will get strTempW of length 1, but cannot see it first character in Visual Studio watch window.

    After executing the codelilne strTemp1 += strTempW, I will get strTemp1 of length 0.

    That is confusing to me. Whether 0xFFFF is taken as a valid Unicode or not?

    Thanks

    Alan

    Sunday, December 22, 2013 11:55 PM

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