我試圖在代碼中重新創建一些Xaml(WPF)。我覺得我很接近,但我有一個有點麻煩......這是我的XAML:以上在代碼中重新創建Xaml
<ListView Name="lbDevices" SelectionChanged="lbDevices_SelectionChanged" VerticalAlignment="Stretch" Grid.Row="1">
<ListView.ItemsPanel>
<ItemsPanelTemplate>
<WrapPanel Orientation="Horizontal" Width="{Binding (FrameworkElement.ActualWidth), RelativeSource={RelativeSource AncestorType=ScrollContentPresenter}}" ScrollViewer.HorizontalScrollBarVisibility="Hidden"></WrapPanel>
</ItemsPanelTemplate>
</ListView.ItemsPanel>
<ListView.View>
<GridView>
<GridView.ColumnHeaderContainerStyle>
<Style>
<Setter Property="FrameworkElement.Visibility" Value="Collapsed" />
</Style>
</GridView.ColumnHeaderContainerStyle>
<GridViewColumn>
<GridViewColumn.CellTemplate>
<DataTemplate>
<!-- This is a custom control -->
<l:HaDeviceDisplayer DataContext="{Binding .}" ></l:HaDeviceDisplayer>
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
</GridView>
</ListView.View>
</ListView>
給我什麼,我需要一個完美的顯示效果。它看起來像這樣:
這是我在代碼重新創建它的嘗試:
GridView gv = new GridView();
gv.AllowsColumnReorder = false;
var hiddenStyle = new Style();
gv.ColumnHeaderContainerStyle = hiddenStyle;
gv.ColumnHeaderContainerStyle.Setters.Add(new Setter(FrameworkElement.VisibilityProperty, Visibility.Collapsed));
ItemsPanelTemplate panelTemplate = new ItemsPanelTemplate();
var fact = new FrameworkElementFactory(typeof(WrapPanel));
fact.SetValue(WrapPanel.OrientationProperty, Orientation.Horizontal);
fact.SetValue(ScrollViewer.HorizontalScrollBarVisibilityProperty, ScrollBarVisibility.Hidden);
var binding = new Binding() {
RelativeSource = new RelativeSource(RelativeSourceMode.FindAncestor, typeof(ScrollContentPresenter), 1),
Path = new PropertyPath("(FrameworkElement.ActualWidth)")
};
fact.SetBinding(WrapPanel.WidthProperty, binding);
panelTemplate.VisualTree = fact;
lbDevices.ItemsPanel = panelTemplate;
GridViewColumn c1 = new GridViewColumn();
c1.CellTemplate = (DataTemplate)FindResource("DeviceDisplayer");
lbDevices.View = gv;
有兩點要注意。我沒有像Xaml那樣嘗試重新創建DataTemplate,而是將它固定在Xaml的UserControl.Resources
標記中。然後我使用FindResource來設置CellTemplate。
所以這是我的問題。當我做以上,佈局最終看起來像這樣:
通知很小的橙色點......還有他們的大約有十幾個是可見的,只是因爲選擇一個項目有它凸顯橙色邊框。出於同樣的原因,每個列表項目都很小。麻煩的是 - 我如何使它「正常」大小?