(Unicode C) Transition from Crypt2.DecodeString to StringBuilder.Decode

Provides instructions for replacing deprecated DecodeString method calls with StringBuilder.Decode.

Note: This example requires Chilkat v11.0.0 or greater.

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#include <C_CkCrypt2W.h>
#include <C_CkStringBuilderW.h>

void ChilkatSample(void)
    {
    HCkCrypt2W crypt2;
    const wchar_t *encodedStr;
    const wchar_t *encoding;
    const wchar_t *charset;
    const wchar_t *str;
    HCkStringBuilderW sb;

    crypt2 = CkCrypt2W_Create();

    // ...
    // ...

    // ------------------------------------------------------------------------
    // The DecodeString method is deprecated:

    // The string "Hello World" in base64 (using the utf-8 byte representation) is "SGVsbG8gV29ybGQ="

    encodedStr = L"SGVsbG8gV29ybGQ=";
    encoding = L"base64";
    charset = L"utf-8";

    str = CkCrypt2W_decodeString(crypt2,encodedStr,charset,encoding);
    wprintf(L"%s\n",str);

    // Output is "Hello World"

    // ------------------------------------------------------------------------
    // Do the equivalent using StringBuilder.Decode.

    sb = CkStringBuilderW_Create();

    CkStringBuilderW_Append(sb,encodedStr);
    CkStringBuilderW_Decode(sb,encoding,charset);
    wprintf(L"%s\n",CkStringBuilderW_getAsString(sb));

    // Output is "Hello World"


    CkCrypt2W_Dispose(crypt2);
    CkStringBuilderW_Dispose(sb);

    }