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Compiler Error C3156

Error Message

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

A function cannot contain the definition, or declaration, of a managed 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
}

The following sample generates C3156.

// C3156_b.cpp
// compile with: /clr:oldSyntax /c
void f() {
   __gc class X {};   // C3156
   __gc class Y;   // C3156
}
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