void InternalOpenUI(UIFormData formData, object formArg = null)
{
UIGroup group = GetGroup(formData.groupName);
Form form = group.GetForm(formData.uiName);
if (form == null)
{
form = LoadForm(formData.uiName);
group.AddForm(form);
}
if (form == null)
{
return;
}
form.Init(formData, formArg);
group.Refresh();
form.Open();
}