AutocompleteMenuNS.AutocompleteMenu.UnsubscribeForm C# (CSharp) Method

        private void UnsubscribeForm(ITextBoxWrapper wrapper)
        {
            if (wrapper == null) return;
            var form = wrapper.TargetControl.FindForm();
            if (form == null) return;

            form.LocationChanged -= form_LocationChanged;
            form.ResizeBegin -= form_LocationChanged;
            form.FormClosing -= form_FormClosing;
            form.LostFocus -= form_LocationChanged;
        }