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Compiler Warning (level 1) C4692
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Compiler Warning (level 1) C4692

Error Message

'function': signature of non-private member contains assembly private native type 'native_type'

A type that is visible outside the assembly contains a member function whose signature contains a native type that is not visible outside the assembly. Therefore, the member function should not be called if its containing type is instantiated outside the assembly.

For more information, see Type Visibility.

This warning is off by default. For more information, see Compiler Warnings That Are Off by Default.


The following sample generates C4692.

// C4692.cpp
// compile with: /W1 /c /clr
#pragma warning(default:4692)
class Private_Native_Class {};
public class Public_Native_Class {};
public ref class Public_Ref_Class {
   void Test(Private_Native_Class *) {}   // C4692
   void Test2(Public_Native_Class *) {}   // OK

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