private void BtnDepartmanListesi_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
 {
     if (fr24 == null || fr24.IsDisposed)
     {
         fr24           = new Formlar.FrmDepartman();
         fr24.MdiParent = this;
         fr24.Show();
     }
 }
 private void FrmDepartman_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
 {
     if (fr10 == null || fr10.IsDisposed)
     {
         fr10           = new Formlar.FrmDepartman();
         fr10.MdiParent = this;
         fr10.Show();
     }
 }
 private void btnDepartmanListesi_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
 {
     Formlar.FrmDepartman fr = new Formlar.FrmDepartman();
     fr.MdiParent = this;
     fr.Show();
 }