lable的渲染

     <StackPanel Margin="" TextOptions.TextFormattingMode="Display">
             <Label TextOptions.TextRenderingMode="Auto" FontSize="">TextRenderingMode.Auto, small text</Label>
             <Label TextOptions.TextRenderingMode="Aliased" FontSize="">TextRenderingMode.Aliased, small text</Label>
             <Label TextOptions.TextRenderingMode="ClearType" FontSize="">TextRenderingMode.ClearType, small text</Label>
             <Label TextOptions.TextRenderingMode="Grayscale" FontSize="">TextRenderingMode.Grayscale, small text</Label>
             <Label TextOptions.TextRenderingMode="Auto" FontSize="">TextRenderingMode.Auto, large text</Label>
             <Label TextOptions.TextRenderingMode="Aliased" FontSize="">TextRenderingMode.Aliased, large text</Label>
             <Label TextOptions.TextRenderingMode="ClearType" FontSize="">TextRenderingMode.ClearType, large text</Label>
             <Label TextOptions.TextRenderingMode="Grayscale" FontSize="">TextRenderingMode.Grayscale, large text</Label>
         </StackPanel>

         <Canvas>
             <Ellipse Panel.ZIndex="" Fill="Gainsboro" Canvas.Left="" Canvas.Top="" Width="" Height="" />
             <Rectangle Panel.ZIndex="" Fill="LightBlue" Canvas.Left="" Canvas.Top="" Width="" Height="" />
             <Rectangle Panel.ZIndex="" Fill="LightCoral" Canvas.Left="" Canvas.Top="" Width="" Height="" />
             <Rectangle Panel.ZIndex="" Fill="LightCyan" Canvas.Left="" Canvas.Top="" Width="" Height="" />
         </Canvas>

    <DockPanel Margin=""  >
             <ToolBar DockPanel.Dock="Top">
                 <Button ToolTip="Create a new file">
                     <Button.Content>
                         <Image Source="/WpfTutorialSamples;component/Images/page_white.png" Width="" Height="" />
                     </Button.Content>
                 </Button>
                 <Button>
                     <Button.Content>
                         <Image Source="/WpfTutorialSamples;component/Images/folder.png" Width="" Height="" />
                     </Button.Content>
                     <Button.ToolTip>
                         <StackPanel>
                             <TextBlock FontWeight="Bold" FontSize="" Margin="0,0,0,5">Open file</TextBlock>
                             <TextBlock>
                         Search your computer or local network
                         <LineBreak />
                         for a file and open it for editing.
                             </TextBlock>
                             <Border BorderBrush="Silver" BorderThickness="0,1,0,0" Margin="0,8" />
                             <WrapPanel>
                                 <Image Source="/WpfTutorialSamples;component/Images/help.png" Margin="0,0,5,0" />
                                 <TextBlock FontStyle="Italic">Press F1 for more help</TextBlock>
                             </WrapPanel>
                         </StackPanel>
                     </Button.ToolTip>
                 </Button>
             </ToolBar>

             <TextBox>
                 Editor area...
             </TextBox>
         </DockPanel>