title Selection Statements (C++) | Microsoft Docs ms.custom index-page ms.date 11/04/2016 ms.technology cpp-language ms.topic language-reference dev_langs C++ helpviewer_keywords selection statements [C++], syntax selection statements ms.assetid 2ce662fc-5e62-461b-ac31-2c159d8ef33b author mikeblome ms.author mblome ms.workload cplusplus Selection Statements (C++) The C++ selection statements, if and switch, provide a means to conditionally execute sections of code. The __if_exists and __if_not_exists statements allow you to conditionally include code depending on the existence of a symbol. See the individual topics for the syntax for each statement. See Also Overview of C++ Statements