我有一个自定义DataGrid
(我扩展了它并包含了一个DependencyProperty
Label
),我正在使用DataGrid
并想使用and添加Label
控件。在作品中并按应有的方式显示,但根本不起作用或显示任何控件。我试过了,它显示了行,我想知道是否有办法以这种方式显示使用?这样做的正确方法是什么?ControlTemplate
ContentPresenter
ContentTemplate
DependencyProperty
Label
ContentPresenter
DataGrid
ItemsPresenter
DataGrid
ContentPresenter
MyUserControl.xaml
<UserControl
x:Class="MyNamespace.UI.MyUserControl"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:e="clr-namespace:MyNamespace.UI"
mc:Ignorable="d"
d:DesignHeight="350" d:DesignWidth="400">
<UserControl.Resources>
<Style TargetType="{x:Type e:DataGrid}" BasedOn="{StaticResource {x:Type DataGrid}}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type e:DataGrid}">
<StackPanel>
<Label Content="{Binding Label, RelativeSource={RelativeSource TemplatedParent}}" ContentStringFormat="{}{0}: " />
<ContentPresenter Margin="2" HorizontalAlignment="Center" VerticalAlignment="Center"/>
</StackPanel>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</UserControl.Resources>
<WrapPanel x:Name="LayoutRoot" Width="900" HorizontalAlignment="Stretch" Margin="12" VerticalAlignment="Stretch">
<e:DataGrid Label="My Label 1" ItemsSource="{Binding Source={StaticResource MySource1}}"/>
<e:DataGrid Label="My Label 2" ItemsSource="{Binding Source={StaticResource MySource2}}"/>
</WrapPanel>
</UserControl>
数据网格.cs
namespace MyNamespace.UI
{
public class DataGrid : System.Windows.Controls.DataGrid
{
public string Label
{
get { return (string)GetValue(LabelProperty); }
set { SetValue(LabelProperty, value); }
}
public static readonly DependencyProperty LabelProperty =
DependencyProperty.Register("Label", typeof(string), typeof(DataGrid), new UIPropertyMetadata(""));
public DataGrid()
{}
}
}