private void PropertyListSubItemClickHandler(object sender, SubItemEventArgs e)
{
ListViewSubItemEx subEx = e.Item.SubItems[e.SubItem] as ListViewSubItemEx;
if (subEx != null && subEx.ReadOnly) {
return;
}
TextBox econtrol = new TextBox { Parent = this, TabStop = false };
_propertyList.StartEditing(econtrol, e.Item, e.SubItem);
}