Class Win32Exception

SampleFramework12/v1.00/Exceptions.h:169–202

Exception thrown when a Win32 function fails.

// Exception thrown when a Win32 function fails.
class Win32Exception : public Exception
{

public:

    // Obtains a string for the specified Win32 error code
    Win32Exception(DWORD code, const wchar* msgPrefix = nullptr) : errorCode(code)
    {
        wchar errorString[MAX_PATH];
        ::FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
                        0,
                        errorCode,
                        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
                        errorString,
                        MAX_PATH,
                        NULL  );

        message = L"Win32 Error: ";
        if(msgPrefix)
            message += msgPrefix;
        message += errorString;
    }

    // Retrieve the error code
    DWORD GetErrorCode() const throw ()
    {
        return errorCode;
    }

protected:

  DWORD  errorCode;    // The Win32 error code

};

// Exception thrown when a DirectX Function fails
class DXException : public Exception