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Compiler Error CS0754

A partial method may not explicitly implement an interface method.

A partial method cannot be declared as an explicit implementation of a method defined in an interface.

To correct this error

  • Remove the explicit interface qualification from the method declaration.

Example

The following code generates CS0754:

// cs0754.cs
using System;

    public interface IF
    {
        void Part();
    }

    public partial class C : IF
    {
        partial void IF.Part(); //CS0754
        public static int Main()
        {
            return 1;
        }
    }

See Also

Reference

Explicit Interface Implementation (C# Programming Guide)

Partial Classes and Methods (C# Programming Guide)