Compiler Error C2725
Visual Studio 2015
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The latest version of this topic can be found at Compiler Error C2725.
exception' : unable to throw or catch a managed or WinRT object by value or reference
The type of a managed or WinRT exception was not correct.
The following sample generates C2725 and shows how to fix it.
// C2725.cpp
// compile with: /clr
ref class R {
public:
int i;
};
int main() {
R % r1 = *gcnew R;
throw r1; // C2725
R ^ r2 = gcnew R;
throw r2; // OK
}
The following sample generates C2725 and shows how to fix it.
// C2725b.cpp
// compile with: /clr
using namespace System;
int main() {
try {}
catch( System::Exception%) {} // C2725
// try the following line instead
// catch( System::Exception ^e) {}
}
The following sample generates C2725 and shows how to fix it.
// C2725c.cpp
// compile with: /clr:oldSyntax
using namespace System;
int main() {
try {}
catch( System::Exception&) {} // C2725
// try the following line instead
// catch( System::Exception *e) {}
}
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