Compiler Warning C4956
'type' : this type is not verifiable
Remarks
This warning is generated when /clr:safe is specified and your code contains a type that is not verifiable. The /clr:safe compiler option is deprecated in Visual Studio 2015 and unsupported in Visual Studio 2017.
For more information, see Pure and Verifiable Code (C++/CLI).
This warning is issued as an error and can be disabled with the warning pragma or the /wd compiler option.
Example
The following sample generates C4956:
// C4956.cpp
// compile with: /clr:safe
int* p; // C4956