private void updateToolStripMenuItem_Click(object sender, EventArgs e)
{
if (treeList1.FocusedNode == null)
{
return;
}
int id = int.Parse(treeList1.FocusedNode.Tag.ToString());
EquipmentInfo info = EquipmentData.GetEquipmentById(id);
UpdateEquipment write = new UpdateEquipment(info);
write.MyRefreshEvent += new UpdateEquipment.MyDelegate(InitializeComboBox);
write.Show();
}