public double[] DoQueryNumbers(string strQuery)
{
// Send the query.
m_IoObject.WriteString(strQuery, true);
// Get the result numbers.
double[] fResultsArray;
fResultsArray = (double[])m_IoObject.ReadList(
IEEEASCIIType.ASCIIType_R8, ",;");
// Check for inst errors.
CheckInstrumentErrors(strQuery);
// Return result numbers.
return(fResultsArray);
}
protected dynamic ReadList(IEEEASCIIType type = IEEEASCIIType.ASCIIType_Any, string listSeparator = ",;")
{
if (DriverIsReady)
{
try {
return(_driver.ReadList(type, listSeparator));
}
catch (Exception ex) {
Close();
throw ex;
}
}
else
{
throw new System.InvalidOperationException("Cannot execute ReadList(...). Driver not initialized or is closed.");
}
}
/// <summary>
/// To Read the measurement readings
/// </summary>
private void ReadData()
{
// Once the Event is detected, this routine will get the data from the meter
double[] readings;
try
{
System.Windows.Forms.Cursor.Current = Cursors.WaitCursor;
if (m_iNumOfReadings > 0)
{
readings = new double[m_iNumOfReadings];
ioDmm.WriteString("Fetch?", true); // Query for the data in memory
readings = (double[])ioDmm.ReadList(IEEEASCIIType.ASCIIType_R8, ","); //get the data and parse into the array
//Insert data into text box
string sTemp = "";
sTemp = txtData.Text;
for (int iIndex = 0; iIndex < readings.Length; iIndex++)
{
sTemp = sTemp + readings[iIndex].ToString() + " Vdc \r\n";
}
txtData.Text = "";
txtData.Text = sTemp;
}
else
{
txtData.Text = "";
}
System.Windows.Forms.Cursor.Current = Cursors.Default;
//enable the button
btnStartReading.Enabled = true;
}
catch (SystemException ex)
{
MessageBox.Show("Error reading data from the meter. " + this.txtAddress.Text + " " + ex.Source + " " + ex.Message, "SRQEvent", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}