我已經提出了一個由datePicker
和comboBox
組成的應用程序。 comboBox
有一個範圍從0到5的數字列表。當用戶使用comboBox
選擇「1」時,我的datePicker
「dpkClaim1
」將被啓用,但我的datePickers
的其餘部分將被禁用。如果用戶選擇2 dpkClaim1
和dpkClaim2
將被啓用,如果用戶選擇3 dpkClaim1
dpkClaim2
dpkClaim3
將被啓用等等。我想知道是否可以使用開關而不是一系列if語句來提供更清晰的代碼。如何使開關語句wpf
我的代碼休耕
XAML
<ComboBox x:Name="cbxNoClaims" SelectionChanged="cbxNoClaims_SelectionChanged" Loaded="cbxNoClaims_Loaded" Grid.Row="13" Grid.Column="1" HorizontalAlignment="Center" VerticalAlignment="Top" Width="120"/>
<DatePicker Name="dpkClaim1" Grid.Row="13" Grid.Column="2" HorizontalAlignment="Center" VerticalAlignment="Top"/>
<DatePicker Name="dpkClaim2" Grid.Row="14" Grid.Column="2" HorizontalAlignment="Center" VerticalAlignment="Top"/>
<DatePicker Name="dpkClaim3" Grid.Row="15" Grid.Column="2" HorizontalAlignment="Center" VerticalAlignment="Top"/>
<DatePicker Name="dpkClaim4" Grid.Row="16" Grid.Column="2" HorizontalAlignment="Center" VerticalAlignment="Top"/>
xaml.cs
private void cbxNoClaims_Loaded(object sender, RoutedEventArgs e)
{
// ... A List.
List<string> claim = new List<string>();
claim.Add("0 ");
claim.Add("1");
claim.Add("2");
claim.Add("3");
claim.Add("4");
claim.Add("5");
// ... Get the ComboBox reference.
var comboBox = sender as ComboBox;
// ... Assign the ItemsSource to the List.
comboBox.ItemsSource = claim;
comboBox.SelectedIndex = 0;
}
private void cbxNoClaims_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (cbxNoClaims.SelectedItem.ToString() == "1")
{
dpkClaim1.IsEnabled = true;
}
else
{
dpkClaim1.IsEnabled = false;
dpkClaim2.IsEnabled = false;
}
if (cbxNoClaims.SelectedItem.ToString() == "2")
{
dpkClaim1.IsEnabled = true;
dpkClaim2.IsEnabled = true;
}
else
{
dpkClaim2.IsEnabled = false;
}
if (cbxNoClaims.SelectedItem.ToString() == "3")
{
dpkClaim1.IsEnabled = true;
dpkClaim2.IsEnabled = true;
dpkClaim3.IsEnabled = true;
}
else
{
dpkClaim3.IsEnabled = false;
}
if (cbxNoClaims.SelectedItem.ToString() == "4")
{
dpkClaim1.IsEnabled = true;
dpkClaim2.IsEnabled = true;
dpkClaim3.IsEnabled = true;
dpkClaim4.IsEnabled = true;
}
else
{
dpkClaim4.IsEnabled = false;
}