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Example Requirements
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When compiling the C/C++ examples, include the following in your project:

1. The following macros are used in all of the LEAD WIC-Enabled C/C++ Codec samples. When testing the files, include these macros in a common header file.

        #define IFS(fn)                 \
        {                               \
            if (SUCCEEDED(hr))          \
            {                           \
                hr = (fn);              \
            }                           \
        }

        #define RELEASE_INTERFACE(pi)   \
        {                               \
            if (pi)                     \
            {                           \
                pi->Release();          \
                pi = NULL;              \
            }                           \
        }

        #define DELETE_POINTER(p)       \
        {                               \
            if (p)                      \
            {                           \
                delete p;               \
                p = NULL;               \
            }                           \
        }
2. Include the following header file in your C/C++ examples project. The examples use this CString imlementation. 
    #include <atlstr.h>