private void cmdStartBgnd_Click(System.Object eventSender, System.EventArgs eventArgs) { int CurIndex; int CurCount; short Status; MccDaq.ErrorInfo ULStat; int Rate; MccDaq.ScanOptions Options; int Count; int PretrigCount; cmdStartBgnd.Enabled = false; cmdStartBgnd.Visible = false; cmdStopConvert.Enabled = true; cmdStopConvert.Visible = true; cmdQuit.Enabled = false; UserTerm = 0; // initialize user terminate flag // Collect the values with cbDaqInScan() // Parameters: // BoardNum :the number used by CB.CFG to describe this board // ChanArray[] :array of channel values // ChanTypeArray[] : array of channel types // GainArray[] :array of gain values // ChansCount :the number of elements in the arrays (0=disable queue) // PretrigCount :number of pre-trigger A/D samples to collect // Count :the total number of A/D samples to collect // Rate :sample rate in samples per second // ADData[] :the array for the collected data values // Options :data collection options PretrigCount = 0; Count = NumElements; // Number of data points to collect Options = MccDaq.ScanOptions.ConvertData | MccDaq.ScanOptions.Background | MccDaq.ScanOptions.Continuous; Rate = 100; // Acquire data at 100 Hz ULStat = DaqBoard.DaqInScan(ChanArray, ChanTypeArray, GainArray, ChanCount, ref Rate, ref PretrigCount, ref Count, MemHandle, Options); ULStat = DaqBoard.GetStatus(out Status, out CurCount, out CurIndex, MccDaq.FunctionType.DaqiFunction); if (Status == MccDaq.MccBoard.Running) { lblShowStat.Text = "Running"; lblShowCount.Text = CurCount.ToString("D"); lblShowIndex.Text = CurIndex.ToString("D"); } tmrCheckStatus.Enabled = true; }