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Compiler Error CS0410

No overload for 'method' has the correct parameter and return types

This error occurs if you try to instantiate a delegate with a function that has the wrong parameter types. The parameter types of the delegate must match the function that you are assigning to the delegate.

The following example generates CS0410:

// CS0410.cs
// compile with: /langversion:ISO-1

class Test
    delegate void D(double d );
    static void F(int i) { }

    static void Main()
        D d = new D(F);  // CS0410