void WinMEControl_LostFocus(object sender, EventArgs e)
{
ToolStripComboBox tscb = (ToolStripComboBox)this.tsNavigation.Items[tsNavigation.Items.Count - 1];
tscb.Enabled = false;
tscb.Items[tscb.SelectedIndex] = tscb.SelectedIndex.ToString() + " : \"" + ((Control)sender).Text + "\"";
tscb.Enabled = true;
}