Wpf 父子容器的关系 ^

费了挺长的时间，终于搞明白了修改父容器的属性的时候，不影响子容器里的所有元素的清晰度

代码如下：

 <Border>
        <Border.Background>
            <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
                <GradientStop Color="Purple" Offset="0"/>
                <GradientStop Color="White" Offset="0.5"/>
                <GradientStop Color="#FF222223" Offset="2"/>
            </LinearGradientBrush>
        </Border.Background>
        <Border>
        <Border.Background>
            <ImageBrush ImageSource="/HSW.BIM.Revit.FamilyEditor;component/Images/flowerImage.png" Opacity="0.2"></ImageBrush>
        </Border.Background>

        <Grid Tag="sdf" Margin="1,1,1,1" >
                <Grid.Background>
                    <SolidColorBrush Color="White" Opacity="0.3"/>
                </Grid.Background>
                    <Grid.RowDefinitions>
                <RowDefinition Height="50*" />
                <RowDefinition Height="60*" />
                <RowDefinition Height="80*" />
                <RowDefinition Height="60" />
            </Grid.RowDefinitions>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="120" />
                <ColumnDefinition Width="auto"/>
                <ColumnDefinition Width="22*" />
            </Grid.ColumnDefinitions>
            <Button Content="确定" Grid.Row="3" Height="29" Margin="7,9,0,0" Name="btnOk" VerticalAlignment="Top" HorizontalAlignment="Left" Width="75" Click="btnOk_Click" Grid.Column="2" />
            <Button Content="取消" Grid.Column="2" Grid.Row="3" Height="29" Margin="0,9,101,0" Name="btnCancel" VerticalAlignment="Top" Click="btnCancel_Click" HorizontalAlignment="Right" Width="75" />
            <TextBlock Height="23" HorizontalAlignment="Left" Margin="49,20,0,0" Name="textBlock1" Text="族类型名称：" VerticalAlignment="Top" Grid.Row="1" />
            <TextBox x:Name="txtFamilyType" Grid.Column="2" Height="23" Margin="7,20,0,0"  VerticalAlignment="Top" Grid.Row="1" TextChanged="txtFamilyType_TextChanged" HorizontalAlignment="Left" Width="275" MaxLength="20" />
            <TextBlock HorizontalAlignment="Left" Margin="36,17,0,8" Name="textBlock2" Text="请选择父类型：" />
            <ComboBox Name="cb_familyType" ItemsSource="{Binding}" Grid.Column="2" Height="23" HorizontalAlignment="Left" Margin="8,15,0,0"  VerticalAlignment="Top" Width="275" IsEditable="True" IsReadOnly="False" IsEnabled="False" SelectionChanged="cb_familyType_SelectionChanged">
            </ComboBox>
            <TextBlock Grid.Row="2" Height="23" HorizontalAlignment="Left" Margin="84,11,0,0" Text="备注：" VerticalAlignment="Top" />
            <TextBox Name="tb_description" Grid.Column="2" Grid.Row="2" Height="52" HorizontalAlignment="Left" Margin="8,12,0,0"  VerticalAlignment="Top" Width="275" TextWrapping="Wrap" />
        </Grid>
    </Border>
    </Border>

父容器Border修饰完Background即先加渐变，后弄图片,然后设置最大容器里Border的第一个元素即Grid里的背景色，用类SolidColorBrush纯色填充,这样就不会影响到Grid中的所有子元素

<Border.Background>

</Border/Background>

<Border.Background>
<ImageBrush ImageSource="/HSW.BIM.Revit.FamilyEditor;component/Images/flowerImage.png" Opacity="0.2"></ImageBrush>
</Border.Background>

                <Grid.Background>
                    <SolidColorBrush Color="White" Opacity="0.3"/>
                </Grid.Background>

</Grid>

</Border>