private void toolStripButton1_Click_1(object sender, EventArgs e)
 {
     if (string.IsNullOrEmpty(CurrentTPUserFormId))
     {
         BusMonitorColumn newMDIChild = new BusMonitorColumn();
         newMDIChild.MdiParent = this;
         newMDIChild.Show();
         CurrentTPUserFormId = newMDIChild.FormId;
     }
 }
 private void monitorBusMultiToolStripMenuItem_Click(object sender, EventArgs e)
 {
     BusMonitorColumn newMDIChild = new BusMonitorColumn();
     newMDIChild.MdiParent = this;
     newMDIChild.Show();
 }