Compiler Error C3869

gcnew constraint is missing empty parameter list '()'

The gcnew special constraint was specified without the empty parameter list. See Constraints on Generic Type Parameters (C++/CLI) for more information.

Example

The following sample generates C3869.

// C3869.cpp
// compile with: /c /clr
using namespace System;
generic <typename T>
where T : gcnew   // C3869
// try the following line instead
// where T : gcnew()
ref class List {};