Pump Off Pump On Pump Off Pump On Pump Off Pump On Pump Off Pump On Zero One Two Three Four Five Six Seven Eight Nine Ten Unknown Pump Off Pump On Pump Off Pump On Pump Off Pump On Pump Off Pump On Pump Off Pump On Pump Off Pump On Pump Off Pump On Click on any ListBox to change the state of the pump. BackColor ForeColor AllColors Enabled on True Enabled on False Visible on True Visible on False Location Y SelectedIndex ToolTip Height Width Location X Pump Off Pump On