public void ListViewEx_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e) { Point objDrawingPoint = new Point(); ListViewItem objListViewItem = default(ListViewItem); objDrawingPoint = ListViewEx.PointToClient(Cursor.Position); //// Check to see if an item has been selected. if (!ReferenceEquals(objDrawingPoint, null)) { objListViewItem = ListViewEx.GetItemAt(objDrawingPoint.X, objDrawingPoint.Y); //// If an item has been selected, then enable toolstrip buttons. if (!ReferenceEquals(objListViewItem, null)) { btnResume.Enabled = true; btnPause.Enabled = true; btnRemove.Enabled = true; } else //// Else disable them. { btnResume.Enabled = false; btnPause.Enabled = false; btnRemove.Enabled = false; } } }