private void butEditGroup_Click(object sender, EventArgs e)
 {
     if (listUserGroupTabUserGroups.SelectedIndex == -1)
     {
         MsgBox.Show(this, "Please select a User Group to edit.");
         return;
     }
     //Call an event that bubbles back up to the calling Form.
     EditUserGroupClick?.Invoke(this, new SecurityEventArgs(SelectedUserGroup));
 }
 private void listUserGroupTabUserGroups_DoubleClick(object sender, EventArgs e)
 {
     //Call an event that bubbles back up to the calling Form.
     EditUserGroupClick?.Invoke(this, new SecurityEventArgs(SelectedUserGroup));
 }