Compiler Error C3156

'class' : you cannot have a local definition of a managed or WinRT type

A function cannot contain the definition, or declaration, of a managed or WinRT class, struct, or interface.

Example

The following sample generates C3156.

// C3156.cpp
// compile with: /clr /c
void f() {
   ref class X {};   // C3156
   ref class Y;   // C3156
}