Wpf 如何以编程方式解释样式

在我的应用程序中，我必须在代码隐藏中操作DataGrid（DataGrid也是在运行时的代码隐藏中创建的），我想为DataGrid设置以下样式

<DataGrid.RowHeaderStyle>
    <Style TargetType="DataGridRowHeader">
        <Setter Property="Visibility" Value="Collapsed"/>
        <Setter Property="Template" Value="{x:Null}"/>
    </Style>
</DataGrid.RowHeaderStyle>

<DataGrid.RowStyle>
    <Style TargetType="DataGridRow">
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="DataGridRow">
                    <Border BorderThickness="{TemplateBinding Border.BorderThickness}" BorderBrush="{TemplateBinding Border.BorderBrush}" Background="{TemplateBinding Panel.Background}" Name="DGR_Border" SnapsToDevicePixels="True">
                        <SelectiveScrollingGrid> <!--How to translate this-->
                            <DataGridCellsPresenter ItemsPanel="{TemplateBinding ItemsControl.ItemsPanel}" SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}"/>
                        </SelectiveScrollingGrid>
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
</DataGrid.RowStyle>

---

只需创建另一个

FrameworkElementFactory

，其类型为

System.Windows.Controls.Primitives.SelectiveScrollingGrid

：

...
var selectiveScrollingGridFactory = new FrameworkElementFactory(typeof(System.Windows.Controls.Primitives.SelectiveScrollingGrid));
elemFactory.AppendChild(selectiveScrollingGridFactory);

var cellsPresenterFactory = new FrameworkElementFactory(typeof(DataGridCellsPresenter));
cellsPresenterFactory.SetValue(DataGridCellsPresenter.ItemsPanelProperty, new TemplateBindingExtension(ItemsControl.ItemsPanelProperty));
cellsPresenterFactory.SetValue(DataGridCellsPresenter.SnapsToDevicePixelsProperty, new TemplateBindingExtension(UIElement.SnapsToDevicePixelsProperty));

selectiveScrollingGridFactory.AppendChild(selectiveScrollingGridFactory);
...

---

请注意，以编程方式创建模板的推荐方法是使用

XamlReader

类的

load

方法从

string

或内存流加载XAML，如MSDN上的文档所述：

谢谢您的评论，现在，我在XAML中定义了样式，然后将其加载到代码隐藏中，它非常适合我！

...
var selectiveScrollingGridFactory = new FrameworkElementFactory(typeof(System.Windows.Controls.Primitives.SelectiveScrollingGrid));
elemFactory.AppendChild(selectiveScrollingGridFactory);

var cellsPresenterFactory = new FrameworkElementFactory(typeof(DataGridCellsPresenter));
cellsPresenterFactory.SetValue(DataGridCellsPresenter.ItemsPanelProperty, new TemplateBindingExtension(ItemsControl.ItemsPanelProperty));
cellsPresenterFactory.SetValue(DataGridCellsPresenter.SnapsToDevicePixelsProperty, new TemplateBindingExtension(UIElement.SnapsToDevicePixelsProperty));

selectiveScrollingGridFactory.AppendChild(selectiveScrollingGridFactory);
...