private void userGroupManagementToolStripMenuItem1_Click(object sender, EventArgs e)
 {
     if (userGrpMngForm == null || userGrpMngForm.IsDisposed)
     {
         userGrpMngForm             = new UserGrpMngForm(this);
         userGrpMngForm.MdiParent   = this;
         userGrpMngForm.WindowState = FormWindowState.Normal;
         userGrpMngForm.WindowState = FormWindowState.Maximized;
         userGrpMngForm.Show();
         userGrpMngForm.Focus();
     }
     else
     {
         userGrpMngForm.rework();
         userGrpMngForm.Focus();
     }
 }
 private void userGroupManagementToolStripMenuItem_Click(object sender, EventArgs e)
 {
     try
     {
         if (userGrpMngForm == null || userGrpMngForm.IsDisposed)
         {
             userGrpMngForm           = new UserGrpMngForm(this); //A0.02
             userGrpMngForm.MdiParent = this;
             userGrpMngForm.Show();
             userGrpMngForm.Focus();
         }
         else
         {
             userGrpMngForm.rework();
             userGrpMngForm.Focus();
         }
     }
     catch (Exception ex)
     {
         logger.Error(ex, "Exception:");
     }
 }