Mixed, Pure, and Verifiable Feature Comparison (C++/CLI)

This topic compares features among the different /clr compilation modes. For more information, see /clr (Common Language Runtime Compilation).

Feature Comparison

Feature	Mixed (/clr)	Pure (/clr:pure)	Safe (/clr:safe)	Related Information
CRT library	supported	supported		Run-Time Routines by Category
MFC/ATL	supported			MFC Desktop Applications \| ATL Class Overview
Unmanaged Functions	supported			Mixed (Native and Managed) Assemblies
Unmanaged Data	supported	supported		Pure and Verifiable Code (C++/CLI)
Callable from Unmanaged Functions	supported			How to: Migrate to /clr:pure (C++/CLI)
Supports calling unmanaged Functions	supported	C-style functions only	P/Invoke only	Using C++ Interop (Implicit PInvoke)
Supports Reflection	DLLs only	supported	supported	Reflection (C++/CLI)