我在网上找到的代码
<ControlTemplate x:Key="ComboBoxToggleButton" TargetType="ToggleButton">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition />
<ColumnDefinition Width="20" />
</Grid.ColumnDefinitions>
<Border x:Name="Border" Grid.ColumnSpan="2" Background="{StaticResource DefaultControlBackgroundBrush}" CornerRadius="1" />
<Path x:Name="Arrow" Grid.Column="1" HorizontalAlignment="Center" VerticalAlignment="Center"
Data="M 0 0 L 4 4 L 8 0 Z" Fill="{StaticResource WindowBrush}" />
<!--<Border Grid.Column="1" Background="F4F4F4" />-->
</Grid>
</ControlTemplate>
如果我加上注释的这一段,就会报错,不知为何????
<!--<Border Grid.Column="1" Background="F4F4F4" />-->