Is there something like the ANSI C operator _Pragma in Visual C++?

For example, I'm trying to define the following macro:

#ifdef _OPENMP
#define PRAGMA_IF_OPENMP(x) _Pragma (#x)
#else  // #ifdef _OPENMP
#define PRAGMA_IF_OPENMP(x)
#endif  // #ifdef _OPENMP

So I can circumvent compiler warnings for unknown #pragma omp ... in older GCC compilers. Is there a similar means available in VisualC++?

visual-c++ portability pragma c-preprocessor
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