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.NET Framework 2.0
Gets the required common language runtime (CLR) version number.
HRESULT GetCORRequiredVersion ( [out] LPWSTR pbuffer, [in] DWORD cchBuffer, [out] DWORD *dwLength );
[out] A buffer containing a string that specifies the version number.
[in] The size, in bytes, of the buffer.
[out] The number of bytes returned in the buffer.