/// <summary>
/// Handles clicks to reset button
/// </summary>
/// <param name="sender">Reset button</param>
/// <param name="e">Parameter</param>
private void buttonReset_Click(object sender, RoutedEventArgs e)
{
if (ConnectedMultimeter != null)
{
ConnectedMultimeter.Reset();
PopulateSettings();
}
}
// </CONSTRUCTORS>
// <METHODS>
/// <summary>
/// Perfoms measurement based on selection from comboboxes in listview
/// Writes new measurement to log file, if the file exists
/// </summary>
private void Measure()
{
// measure
Measurement m = new Measurement();
string value;
DateTime now = DateTime.Now; // time stamp
for (int i = 0; i < Global.Columns; i++) // perform measurement for all columns
{
value = string.Empty;
if (modeCombos[i].SelectedIndex > 0)
{
if (modeCombos[i].SelectedIndex == 1) // timestamp
{
value = now.ToString();
}
else
{
ConnectedMultimeter.SetMode(ConnectedMultimeter.GetModes[modeCombos[i].SelectedIndex - 2]); // first two modes are not performed by multimeter
value = ConnectedMultimeter.Measure().ToString();
}
}
m.Values.Add(value);
}
measurements.Add(m); // add the new measurement to the list of measurements
// log file
if (logFile != null)
{
if (headerChanged) // write new header if it has been changed since last write
{
StringBuilder sb = new StringBuilder();
foreach (ComboBox cb in modeCombos) // header from combo box items
{
if (cb.SelectedItem is string)
{
sb.Append(cb.SelectedItem);
}
else if (cb.SelectedItem is ComboBoxItem)
{
sb.Append(((ComboBoxItem)cb.SelectedItem).Content.ToString());
}
sb.Append(Global.Delimiter);
}
logFile.WriteLine(sb.ToString());
headerChanged = false;
}
logFile.WriteLine(m); // write new measurement - writeline accepts any object (all objects implement ToString() method), measurement overrides ToString() and creates a single delimited line from all the values
}
}
/// <summary>
/// Handles the deallocation of resources when window is about to close
/// Close file
/// Disconnect multimeter
/// </summary>
/// <param name="sender">Main window</param>
/// <param name="e">Parameter</param>
private void Window_Closing(object sender, CancelEventArgs e)
{
logFile?.Close();
ConnectedMultimeter?.Disconnect();
}
