AutoPOS Script: POSMemberEditForm (Forcefully bypassing Enter key)

gistfile1.txt

using BCE.AutoCount.POS.Maintenance.Member;
using System.Windows.Forms;
using System.Reflection;
using System.ComponentModel;

public void OnFormInitialize(FormAddMember.FormInitializeEventArgs args){
      var eventStaticNameProp = typeof(Control).GetField("EventKeyDown", BindingFlags.Static | BindingFlags.NonPublic);
      var eventStaticName = eventStaticNameProp.GetValue(args.Form);
      var eventsProp = args.Form.GetType().GetProperty("Events", BindingFlags.NonPublic | BindingFlags.Instance);
      EventHandlerList list = (EventHandlerList)eventsProp.GetValue(args.Form, null);
      list.RemoveHandler(eventStaticName, list[eventStaticName]);
      args.Form.KeyDown += new KeyEventHandler(FormAddMember_KeyDown);
}
    private void FormAddMember_KeyDown(object sender, KeyEventArgs e) {
        Func<Type, string, FieldInfo> ReflectionGetPrivateField = (obj, name) => obj.GetField(name, BindingFlags.NonPublic | BindingFlags.Instance);
        var form = sender as FormAddMember;
        var btnKeyboard = (DevExpress.XtraEditors.BaseButton) ReflectionGetPrivateField(typeof(FormAddMember), "btnKeyboard").GetValue(form);
        var btnKeyboard2 = (DevExpress.XtraEditors.BaseButton) ReflectionGetPrivateField(typeof(FormAddMember), "btnKeyboard2").GetValue(form);
        var btnKeyboard3 = (DevExpress.XtraEditors.BaseButton) ReflectionGetPrivateField(typeof(FormAddMember), "btnKeyboard3").GetValue(form);
        var btnKeyboard4 = (DevExpress.XtraEditors.BaseButton) ReflectionGetPrivateField(typeof(FormAddMember), "btnKeyboard4").GetValue(form);
        var btnKeyboard5 = (DevExpress.XtraEditors.BaseButton) ReflectionGetPrivateField(typeof(FormAddMember), "btnKeyboard5").GetValue(form);
        var btnOpeningPoints = (DevExpress.XtraEditors.BaseButton) ReflectionGetPrivateField(typeof(FormAddMember), "btnOpeningPoints").GetValue(form);
        if (e.KeyCode == Keys.F1)
            btnKeyboard.PerformClick();
        else if (e.KeyCode == Keys.F2)
            btnKeyboard2.PerformClick();
        else if (e.KeyCode == Keys.F3)
            btnKeyboard3.PerformClick();
        else if (e.KeyCode == Keys.F4)
            btnKeyboard4.PerformClick();
        else if (e.KeyCode == Keys.F5) {
            btnKeyboard5.PerformClick();
        }
        else {
            if (e.KeyCode != Keys.F6)
                return;
            btnOpeningPoints.PerformClick();
        }
    }