我試圖綁定一個可重用的按鈕在一個carusel,我想要實現的是一個添加讓我們說6個按鈕每個按鈕將有一個命令,按照按鈕名稱將導航到正確的頁面。如何創建可重用的UserControl併爲其綁定命令?
我能做到這一點通過這樣做:
<toolkitcontrols:Carousel x:Name="NavigationMenuCarouselPanel"
HorizontalAlignment="Center"
VerticalAlignment="Center"
Orientation="Horizontal"
ItemsSource="{x:Bind ViewModel.MenuList, Mode=OneWay}"
ItemMargin="25"
ItemDepth="160"
ItemRotationX="180"
ItemRotationY="25"
ItemRotationZ="0"
SelectedIndex="2"
Grid.Row="1">
<toolkitcontrols:Carousel.EasingFunction>
<CubicEase EasingMode="EaseOut"/>
</toolkitcontrols:Carousel.EasingFunction>
<Button Command="{x:Bind ViewModel.NavigateToPage1, Mode=OneWay}"
Content="{x:Bind ViewModel.Name, Mode=OneWay}"/>
</toolkitcontrols:Carousel>
如果我這樣做,我會添加5個按鈕和我得寫爲每個按鈕的特性。
所以不是我想用一個用戶控件,只是寫的是這樣的:
<toolkitcontrols:Carousel x:Name="NavigationMenuCarouselPanel"
HorizontalAlignment="Center"
VerticalAlignment="Center"
Orientation="Horizontal"
ItemsSource="{x:Bind ViewModel.MenuList, Mode=OneWay}"
ItemMargin="25"
ItemDepth="160"
ItemRotationX="180"
ItemRotationY="25"
ItemRotationZ="0"
SelectedIndex="2"
Grid.Row="1">
<toolkitcontrols:Carousel.EasingFunction>
<CubicEase EasingMode="EaseOut"/>
</toolkitcontrols:Carousel.EasingFunction>
<toolkitcontrols:Carousel.ItemTemplate>
<DataTemplate x:DataType="data:ButtonInfo">
<usercontrolvm:NavigationMenuButtonTemplate NavigateToPageCommand="{Binding NavigateToPageCommand}"/>
</DataTemplate>
</toolkitcontrols:Carousel.ItemTemplate>
</toolkitcontrols:Carousel>
但我已經失敗了這樣做,我發現了一些教程,但都按照我的理解將讓我寫這個喜歡的代碼:
<usercontrolvm:NavigationMenuButtonTemplate NavigateToPageCommand="{Binding NavigateToPageCommand}"/>
喜歡6次,我不知道它將如何將DataType的DataTemplate爲我的屬性列表。
這是我UserControl.xaml.cs
public sealed partial class NavigationMenuButtonTemplate : UserControl
{
public ButtonInfo ButtonInfo => (DataContext as ButtonInfo);
public NavigationMenuButtonTemplate()
{
this.InitializeComponent();
Loaded += NavigationMenuButtonTemplate_Loaded;
}
private void NavigationMenuButtonTemplate_Loaded(object sender, RoutedEventArgs e)
{
Bindings.Update();
}
public DelegateCommand NavigateToPageCommand
{
get { return (DelegateCommand)GetValue(NavigateToPageCommandProperty); }
set { SetValue(NavigateToPageCommandProperty, value); }
}
// Using a DependencyProperty as the backing store for NavigateToPageCommand. This enables animation, styling, binding, etc...
public static readonly DependencyProperty NavigateToPageCommandProperty =
DependencyProperty.Register("NavigateToPageCommand",
typeof(DelegateCommand),
typeof(NavigationMenuButtonTemplate),
new PropertyMetadata(0));
}
這是我ButtonInfo.cs
public class ButtonInfo
{
public string Symbol { get; set; }
public string FontFamily { get; set; }
public string MenuName { get; set; }
public string BenefitKind { get; set; }
public string Status { get; set; }
}
,這是我UserControl.xaml
<Button x:Name="NavigationMenuTemplate"
Width="300"
Height="300"
Command="{Binding NavigateToPageCommand, ElementName=root, Mode=OneWay}">
<Grid x:Name="ButtonLayout">
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<TextBlock x:Name="NavigationMenuIconTextBlock"
Grid.Row="0"
Grid.Column="0"
Grid.ColumnSpan="2"
FontFamily="{x:Bind ButtonInfo.FontFamily, Mode=OneWay, FallbackValue='Webdings'}"
Text="{x:Bind ButtonInfo.Symbol, Mode=OneWay, FallbackValue='‘'}"
FontSize="150"
Foreground="Black"
VerticalAlignment="Center"
HorizontalAlignment="Center"/>
<TextBlock x:Name="NavigationMenuButtonNameTextBlock"
Grid.Row="1"
Grid.Column="0"
Grid.ColumnSpan="2"
Text="{x:Bind ButtonInfo.MenuName, Mode=OneWay, FallbackValue='CALCULADORA JORNADAS EXTRAORDINARIAS'}"
FontSize="12"
Foreground="Black"
HorizontalAlignment="Center"/>
<TextBlock x:Name="NavigationMenuButtonBenefitKindTextBlock"
Grid.Row="2"
Grid.Column="0"
Text="{x:Bind ButtonInfo.BenefitKind, Mode=OneWay, FallbackValue='Subscripción'}"
FontSize="10"
Foreground="Black"
HorizontalAlignment="Left"/>
<TextBlock x:Name="NavigationMenuButtonStatusTextBlock"
Grid.Row="2"
Grid.Column="1"
Text="{x:Bind ButtonInfo.Status, Mode=OneWay, FallbackValue='Vigente'}"
FontSize="10"
Foreground="Black"
HorizontalAlignment="Right"/>
</Grid>
</Button>
能有人幫助我請指點我正確的方向。 我錯過了什麼?
所有我能理解你不想定義按鈕或usercontrols 6次。如果用戶控件是一種可以基於綁定輸入填充UI的項目控件,那將是可能的。在你的情況下,用戶控件只保存1個按鈕,這將不起作用。 – Dilmah
當您使用UWP時,您可以在Click中使用'x:bind'並且您可以清除命令。 – lindexi
這可能是你正在尋找的https://github.com/StuartSmith/UWP-Template10-Carousel-Sample。 –