Rubberduck.Refactorings.ReorderParameters.ReorderParametersModel.PromptIfTargetImplementsInterface C# (CSharp) Method

        private Declaration PromptIfTargetImplementsInterface()
        {
            var declaration = TargetDeclaration;
            var interfaceImplementation = Declarations.FindInterfaceImplementationMembers().SingleOrDefault(m => m.Equals(declaration));
            if (declaration == null || interfaceImplementation == null)
            {
                return declaration;
            }

            var interfaceMember = Declarations.FindInterfaceMember(interfaceImplementation);
            var message = string.Format(RubberduckUI.Refactoring_TargetIsInterfaceMemberImplementation, declaration.IdentifierName, interfaceMember.ComponentName, interfaceMember.IdentifierName);

            var confirm = _messageBox.Show(message, RubberduckUI.ReorderParamsDialog_TitleText, MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation);
            return confirm == DialogResult.No ? null : interfaceMember;
        }