我有我的WPF应用程序DataGrid的一个XAML代码风格,我现在写的是从DataGrid中继承的自定义控制的想在代码应用以下样式背后:WPF DataGrid的风格背后
<Style TargetType="DataGrid">
<!-- Make the border and grid lines a little less imposing -->
<Setter Property="BorderBrush" Value="#DDDDDD" />
<Setter Property="HorizontalGridLinesBrush" Value="#DDDDDD" />
<Setter Property="VerticalGridLinesBrush" Value="#DDDDDD" />
<Setter Property="RowStyle">
<Setter.Value>
<Style TargetType="DataGridRow">
<Style.Triggers>
<!-- Highlight a grid row as the mouse passes over -->
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background" Value="Lavender" />
</Trigger>
</Style.Triggers>
</Style>
</Setter.Value>
</Setter>
<Setter Property="CellStyle">
<Setter.Value>
<Style TargetType="DataGridCell">
<Style.Triggers>
<!-- Highlight selected rows -->
<Trigger Property="IsSelected" Value="True">
<Setter Property="Background" Value="Lavender" />
<Setter Property="BorderBrush" Value="Lavender" />
<Setter Property="Foreground" Value="Black" />
</Trigger>
<!--StartsEditingOnMouseOver-->
<!--<Trigger Property="IsMouseOver" Value="True">
<Setter Property="IsEditing" Value="True" />
</Trigger>-->
</Style.Triggers>
<EventSetter Event="PreviewMouseLeftButtonDown" Handler="DataGridCell_PreviewMouseLeftButtonDown" />
<EventSetter Event="PreviewTextInput" Handler="DataGridCell_PreviewTextInput" />
<!-- Add some padding around the contents of a cell -->
<Setter Property="Padding" Value="4,3,4,3" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="DataGridCell">
<Border Padding="{TemplateBinding Padding}"
Background="{TemplateBinding Background}">
<ContentPresenter />
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Setter.Value>
</Setter>
</Style>
我有什么迄今下面的代码:
static DionysusDataGrid()
{
BorderBrushProperty.OverrideMetadata(typeof(DionysusDataGrid), new FrameworkPropertyMetadata(ColorConverter.ConvertFromString("#FFDDDDDD") as Color?));
HorizontalGridLinesBrushProperty.OverrideMetadata(typeof(DionysusDataGrid), new FrameworkPropertyMetadata(ColorConverter.ConvertFromString("#FFDDDDDD") as Color?));
VerticalGridLinesBrushProperty.OverrideMetadata(typeof(DionysusDataGrid), new FrameworkPropertyMetadata(ColorConverter.ConvertFromString("#FFDDDDDD") as Color?));
}
但我不知道如何做同样的“RowStyle”属性,它也有一个风格本身。并且在设置BorderBrushProperty时我也遇到以下错误:
Default value type does not match type of property 'BorderBrush'."
任何人都可以帮我解决吗?
感谢名单
UPDATE:
我的代码更新到下面的解析错误:
static DionysusDataGrid()
{
BrushConverter converter = new BrushConverter();
BorderBrushProperty.OverrideMetadata(typeof(DionysusDataGrid), new FrameworkPropertyMetadata((System.Windows.Media.Brush)converter.ConvertFromString("#FFDDDDDD")));
HorizontalGridLinesBrushProperty.OverrideMetadata(typeof(DionysusDataGrid), new FrameworkPropertyMetadata((System.Windows.Media.Brush)converter.ConvertFromString("#FFDDDDDD")));
VerticalGridLinesBrushProperty.OverrideMetadata(typeof(DionysusDataGrid), new FrameworkPropertyMetadata((System.Windows.Media.Brush)converter.ConvertFromString("#FFDDDDDD")));
}
您是否尝试对非空值'Color'进行常规转换?即:'(Color)ColorConverter.ConvertFromString(“#FFDDDDDD”)' –
BorderBrushProperty.OverrideMetadata(typeof(DionysusDataGrid),new FrameworkPropertyMetadata((Color)ColorConverter.ConvertFromString(“#FFDDDDDD”)));给出相同的错误。 –
确保您使用颜色类型的正确名称空间,并根据BorderBrush的类型进行检查。 –