在WPF中,可以通过修改DataGrid的样式来更改单元格悬停颜色。具体步骤如下:
<Window.Resources>
<Style x:Key="CustomDataGridStyle" TargetType="DataGrid">
<!-- 在这里定义样式 -->
</Style>
</Window.Resources>
ControlTemplate
来定义DataGrid的外观。在ControlTemplate
中,可以找到DataGrid的DataGridCell
元素,然后修改其触发器来更改悬停颜色。以下是一个示例:<Style x:Key="CustomDataGridStyle" TargetType="DataGrid">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="DataGrid">
<Border Background="{TemplateBinding Background}"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}">
<ScrollViewer x:Name="DG_ScrollViewer"
Focusable="false">
<ScrollViewer.Template>
<ControlTemplate TargetType="ScrollViewer">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<Button Command="{x:Static DataGrid.SelectAllCommand}"
Width="{Binding CellsPanelHorizontalOffset, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type DataGrid}}}"
Focusable="false"
Style="{DynamicResource {ComponentResourceKey ResourceId=DataGridSelectAllButtonStyle, TypeInTargetAssembly={x:Type DataGrid}}}"
Visibility="{Binding HeadersVisibility, Converter={x:Static DataGrid.HeadersVisibilityConverter}, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type DataGrid}}}"/>
<DataGridColumnHeadersPresenter x:Name="PART_ColumnHeadersPresenter"
Grid.Column="1"
Visibility="{Binding HeadersVisibility, Converter={x:Static DataGrid.HeadersVisibilityConverter}, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type DataGrid}}}"
Height="{Binding DataGridColumnHeadersHeight, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type DataGrid}}}"
Style="{DynamicResource {ComponentResourceKey ResourceId=DataGridColumnHeadersPresenterStyle, TypeInTargetAssembly={x:Type DataGrid}}}"/>
<ScrollContentPresenter x:Name="PART_ScrollContentPresenter"
Grid.Column="1"
Grid.Row="1"/>
<ScrollBar x:Name="PART_VerticalScrollBar"
Grid.Column="2"
Grid.Row="1"
Orientation="Vertical"
ViewportSize="{TemplateBinding ViewportHeight}"
Maximum="{TemplateBinding ScrollableHeight}"
Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}"
Value="{Binding VerticalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}"/>
<Grid Grid.Column="1"
Grid.Row="2">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="{Binding NonFrozenColumnsViewportHorizontalOffset, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type DataGrid}}}"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<ScrollBar x:Name="PART_HorizontalScrollBar"
Grid.Column="1"
Orientation="Horizontal"
ViewportSize="{TemplateBinding ViewportWidth}"
Maximum="{TemplateBinding ScrollableWidth}"
Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}"
Value="{Binding HorizontalOffset, Mode=OneWay, RelativeSource={RelativeSource TemplatedParent}}"/>
</Grid>
</Grid>
</ControlTemplate>
</ScrollViewer.Template>
<!-- 其他内容 -->
</ScrollViewer>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
DataGridCell
元素,并修改其触发器来更改悬停颜色。以下是一个示例:<Style x:Key="CustomDataGridStyle" TargetType="DataGrid">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="DataGrid">
<Border Background="{TemplateBinding Background}"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}">
<ScrollViewer x:Name="DG_ScrollViewer"
Focusable="false">
<ScrollViewer.Template>
<ControlTemplate TargetType="ScrollViewer">
<Grid>
<!-- 其他内容 -->
<DataGridCell x:Name="Cell"
Style="{StaticResource {ComponentResourceKey ResourceId=DataGridCellStyle, TypeInTargetAssembly={x:Type DataGrid}}}"
IsHitTestVisible="false"
IsEnabled="{Binding IsEnabled, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type DataGrid}}}">
<ContentPresenter Content="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=Content, Converter={StaticResource DataGridCellContentConverter}}"
ContentTemplate="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=ContentTemplate}"
ContentStringFormat="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=ContentStringFormat}"
SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
</DataGridCell>
</Grid>
</ControlTemplate>
</ScrollViewer.Template>
<!-- 其他内容 -->
</ScrollViewer>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
Style
属性来引用该样式,如下所示:<DataGrid Style="{StaticResource CustomDataGridStyle}">
<!-- DataGrid的内容 -->
</DataGrid>
通过以上步骤,就可以在WPF中更改DataGrid单元格的悬停颜色了。请注意,以上示例中的样式仅修改了DataGrid单元格的悬停颜色,您可以根据需要进一步修改样式以满足其他需求。
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