Xaml中：
<Window.Resources>
<local:BorderClipConverter x:Key="BorderClipConverter" />
<Style x:Key="BorderClip" TargetType="{x:Type Border}">
<Setter Property="UIElement.Clip">
<Setter.Value>
<MultiBinding Converter="{StaticResource BorderClipConverter}">
<Binding Path="ActualWidth" RelativeSource="{RelativeSource Self}" />
<Binding Path="ActualHeight" RelativeSource="{RelativeSource Self}" />
<Binding Path="CornerRadius" RelativeSource="{RelativeSource Self}" />
</MultiBinding>
</Setter.Value>
</Setter>
</Style>
</Window.Resources>
<Grid>
<ProgressBar
Width="570"
Height="28"
Margin="0,68,0,0"
Value="100">
<ProgressBar.Resources>
<Style TargetType="ProgressBar">
<Setter Property="BorderThickness" Value="0" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ProgressBar}">
<Border
Name="TemplateRoot"
Background="{TemplateBinding Background}"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
CornerRadius="20">
<Grid>
<Rectangle Name="PART_Track" />
<Border
Name="PART_Indicator"
HorizontalAlignment="Left"
Background="#ECECEC"
CornerRadius="20"
Style="{StaticResource BorderClip}">
<Grid>
<Rectangle
Name="PART_GlowRect"
Width="100"
HorizontalAlignment="Left"
Fill="#19BE6B"
RadiusX="20"
RadiusY="20" />
<Rectangle
Name="Animation"
Fill="{TemplateBinding Foreground}"
RenderTransformOrigin="0.5,0.5"
Visibility="Collapsed">
<Rectangle.RenderTransform>
<TransformGroup>
<ScaleTransform />
</TransformGroup>
</Rectangle.RenderTransform>
</Rectangle>
</Grid>
</Border>
</Grid>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</ProgressBar.Resources>
</ProgressBar>
<Button
Height="28"
Click="Button_Click"
Content="进度条百分" />
<ProgressBar
Name="progressBar1"
Width="570"
Height="28"
Margin="0,200,0,0" >
<ProgressBar.Resources>
<Style TargetType="{x:Type ProgressBar}">
<Setter Property="Background" Value="#19BE6B" />
<Setter Property="FontSize" Value="30" />
<Setter Property="Padding" Value="5,0" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ProgressBar}">
<Grid>
<Border
Background="#ECECEC"
BorderThickness="0"
CornerRadius="20" />
<Grid Margin="{TemplateBinding BorderThickness}">
<Rectangle x:Name="PART_Track" />
<Border
x:Name="PART_Indicator"
HorizontalAlignment="Left"
ClipToBounds="True"
Style="{StaticResource BorderClip}">
<Grid RenderTransformOrigin="0.5,0.5">
<Grid.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="1" ScaleY="-1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="180" />
<TranslateTransform />
</TransformGroup>
</Grid.RenderTransform>
<Border Background="{TemplateBinding Background}" CornerRadius="20">
<Viewbox
Margin="{TemplateBinding Padding}"
HorizontalAlignment="Left"
SnapsToDevicePixels="True"
StretchDirection="DownOnly">
<TextBlock
VerticalAlignment="Center"
FontSize="{TemplateBinding FontSize}"
Foreground="#ffffff"
RenderTransformOrigin="0.5,0.5"
SnapsToDevicePixels="True"
Text="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=Value, StringFormat={}{0}%}">
<TextBlock.RenderTransform>
<TransformGroup>
<ScaleTransform ScaleX="-1" ScaleY="1" />
<SkewTransform AngleX="0" AngleY="0" />
<RotateTransform Angle="0" />
<TranslateTransform />
</TransformGroup>
</TextBlock.RenderTransform>
</TextBlock>
</Viewbox>
</Border>
<Border
BorderBrush="#000000"
BorderThickness="1"
CornerRadius="20"
Opacity="0.1" />
</Grid>
</Border>
</Grid>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</ProgressBar.Resources>
</ProgressBar>
</Grid>
CS中：
public class BorderClipConverter : IMultiValueConverter
{
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
if (values.Length == 3)
{
object obj = values[0];
if (obj is double)
{
double num = (double)obj;
obj = values[1];
if (obj is double)
{
double num2 = (double)obj;
obj = values[2];
if (obj is CornerRadius)
{
CornerRadius cornerRadius = (CornerRadius)obj;
if (num < double.Epsilon || num2 < double.Epsilon)
{
return Geometry.Empty;
}
PathGeometry pathGeometry = new PathGeometry();
pathGeometry.Figures = new PathFigureCollection
{
new PathFigure(new Point(cornerRadius.TopLeft, 0.0), new PathSegment[8]
{
new LineSegment(new Point(num - cornerRadius.TopRight, 0.0), isStroked: false),
new ArcSegment(new Point(num, cornerRadius.TopRight), new Size(cornerRadius.TopRight, cornerRadius.TopRight), 90.0, isLargeArc: false, SweepDirection.Clockwise, isStroked: false),
new LineSegment(new Point(num, num2 - cornerRadius.BottomRight), isStroked: false),
new ArcSegment(new Point(num - cornerRadius.BottomRight, num2), new Size(cornerRadius.BottomRight, cornerRadius.BottomRight), 90.0, isLargeArc: false, SweepDirection.Clockwise, isStroked: false),
new LineSegment(new Point(cornerRadius.BottomLeft, num2), isStroked: false),
new ArcSegment(new Point(0.0, num2 - cornerRadius.BottomLeft), new Size(cornerRadius.BottomLeft, cornerRadius.BottomLeft), 90.0, isLargeArc: false, SweepDirection.Clockwise, isStroked: false),
new LineSegment(new Point(0.0, cornerRadius.TopLeft), isStroked: false),
new ArcSegment(new Point(cornerRadius.TopLeft, 0.0), new Size(cornerRadius.TopLeft, cornerRadius.TopLeft), 90.0, isLargeArc: false, SweepDirection.Clockwise, isStroked: false)
}, closed: false)
};
pathGeometry.Freeze();
return pathGeometry;
}
}
}
}
return DependencyProperty.UnsetValue;
}
public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
{
throw new NotSupportedException();
}
}
事件方法
private void Button_Click(object sender, RoutedEventArgs e)
{
//测试代码
Thread thread = new Thread(new ThreadStart(() =>
{
for (int i = 0; i <= 100; i++)
{
this.progressBar1.Dispatcher.BeginInvoke((ThreadStart)delegate { this.progressBar1.Value = i; });
Thread.Sleep(300);
}
}));
thread.Start();
//测试代码
}