//3. Raise Event - using the statement RaisEvent+name of the event
public void OnChangeRoute(ChangeRouteEventArgs e)
{
if (SendChangeCourseEvent != null)
{
SendChangeCourseEvent(this, e);
}
}
/// <summary>
/// Method provides behavior for route change on comboBox.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void cmbStatus_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
int item = cmbStatus.SelectedIndex;
try
{
switch (item)
{
case -1: MessageBox.Show("This is the selection is empty");
break;
case 0:
NavCourse = "0 Degrees";
FlightCode = this.FlightCode;
Time = DateTime.Now.ToString();
//Onxxx handler recurring in this switch statement
ChangeRouteEventArgs changeRouteEvent = new ChangeRouteEventArgs(FlightCode, NavCourse, DateTime.Now.ToString());
OnChangeRoute(changeRouteEvent);
break;
case 1:
NavCourse = "90 Degrees";
FlightCode = this.FlightCode;
Time = DateTime.Now.ToString();
changeRouteEvent = new ChangeRouteEventArgs(FlightCode, NavCourse, DateTime.Now.ToString());
OnChangeRoute(changeRouteEvent);
break;
case 2:
NavCourse = "180 Degrees";
FlightCode = this.FlightCode;
Time = DateTime.Now.ToString();
changeRouteEvent = new ChangeRouteEventArgs(FlightCode, NavCourse, DateTime.Now.ToString());
OnChangeRoute(changeRouteEvent);
break;
case 3:
NavCourse = "270 Degrees";
FlightCode = this.FlightCode;
Time = DateTime.Now.ToString();
changeRouteEvent = new ChangeRouteEventArgs(FlightCode, NavCourse, DateTime.Now.ToString());
OnChangeRoute(changeRouteEvent);
break;
}
}
catch
{
MessageBox.Show("Error");
}
}//end method
/// <summary>
/// Method handles the output for the change of route
/// </summary>
/// <param name="source"></param>
/// <param name="e"></param>
public void OutputChangeRoute(object source, ChangeRouteEventArgs e)
{
lvFlights.Items.Add(new { FlightCode = e.FlightNo, Status = e.Course, Time = e.FlightTime });
}