Lekcja 4: Aktualizuj definicję programowe

Zastąp kod UpdateReportDefinition() Metoda w pliku Program.cs Module1.vb (dla Visual Basic) z następującego kodu:

private void UpdateReportDefinition()
{
    System.Console.WriteLine("Updating Report Definition");

    // Create a list of the Items Choices for the Report. The 
    // ItemsChoiceType37 enum represents all the properties
    // available in the report and the ItemsElementName 
    // represents the properties that exist in the current 
    // instance of the report.
    List<ItemsChoiceType37> _reportItems = 
        new List<ItemsChoiceType37>(_report.ItemsElementName);

    // Locate the index for the Description property
    int index = _reportItems.IndexOf(
        ItemsChoiceType37.Description);

    System.Console.WriteLine("- Old Description: " + 
                             _report.Items[index]);

    // Update the Description for the Report
    _report.Items[index] = "New Report Description";

    System.Console.WriteLine("- New Description: " + 
                             _report.Items[index]);
}

Private Sub UpdateReportDefinition()

    System.Console.WriteLine("Updating Report Definition")

    'Create a list of the Items Choices for the Report. The 
    'ItemsChoiceType37 enum represents all the properties
    'available in the report and the ItemsElementName 
    'represents the properties that exist in the current 
    'instance of the report.
    Dim reportItems As List(Of ItemsChoiceType37) = _
        New List(Of ItemsChoiceType37)(m_report.ItemsElementName)

    'Locate the index for the Description property
    Dim index As Integer = _
        reportItems.IndexOf(ItemsChoiceType37.Description)

    System.Console.WriteLine("- Old Description: " & _
                             m_report.Items(index))

    'Update the Description for the Report
    m_report.Items(index) = "New Report Description"

    System.Console.WriteLine("- New Description: " & _
                             m_report.Items(index))

End Sub