private void StationsList_MouseEnter(object sender, EventArgs e)
 {
     if (LogForm != null)
     {
         if (LogForm.Visible)
         {
             return;
         }
     }
     if (EqForm != null)
     {
         if (EqForm.Visible)
         {
             return;
         }
     }
     StationsList.Focus();
 }