private void ics_RemoveContactResponse(object sender, string messageFromServer, bool removalSuccess, string userToRemove) { Invoke(new MethodInvoker(delegate { if (removalSuccess) { lvContact.Items.Remove(this.lvContact.FindItemWithText(userToRemove)); } else { MessageBox.Show("Contact could not be removed " + messageFromServer, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } } )); }