话不多说先上图:
有三部分组成:1. 底下灰色条部分 2.上层涂色部分 3. 百分比显示部分
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<Style TargetType="{x:Type ProgressBar}">
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<Setter Property="Maximum" Value="100" />
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<Setter Property="Height" Value="70" />
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<Setter Property="Value" Value="20" />
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<Setter Property="Foreground" Value="#40a2c2"/>
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<Setter Property="SnapsToDevicePixels" Value="True" />
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<Setter Property="Template">
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<Setter.Value>
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<ControlTemplate TargetType="{x:Type ProgressBar}">
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<Grid x:Name="Root">
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<Grid.RowDefinitions>
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<RowDefinition></RowDefinition>
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<RowDefinition Height="35" ></RowDefinition>
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</Grid.RowDefinitions>
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<Grid Grid.Row="0">
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<Canvas Grid.Row="0" Height="38">
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<Canvas x:Name="Tooltip" Canvas.Left="{Binding ActualWidth, ElementName=PART_Indicator,Converter={StaticResource progressBarValueLocationConverter}}">
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<Image x:Name="Shape_5" Height="30" Canvas.Left="4" Source="percentagebar_Images/Shape 5.png" Canvas.Top="2" Width="43">
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<Image.Effect>
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<DropShadowEffect BlurRadius="3" Color="Black" Direction="-90" Opacity="0.43" ShadowDepth="2"/>
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</Image.Effect>
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</Image>
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<TextBlock Text="{Binding Value, RelativeSource={RelativeSource AncestorType={x:Type ProgressBar}},Converter={StaticResource progressBarValueTextFormatConverter}}" Foreground="White" FontWeight="Bold" FontSize="13" FontFamily="Helvetica75-Bold" IsHyphenationEnabled="True" LineStackingStrategy="BlockLineHeight" Canvas.Left="13" LineHeight="13" TextAlignment="Left" TextWrapping="Wrap" Canvas.Top="9.56">
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<TextBlock.Effect>
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<DropShadowEffect BlurRadius="0" Color="Black" Direction="-270" Opacity="1" ShadowDepth="1"/>
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</TextBlock.Effect>
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</TextBlock>
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</Canvas>
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</Canvas>
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</Grid>
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<Path Grid.Row="1" x:Name="PART_Track" Data="F1M8,1C8,1 335,1 335,1 338.866,1 342,4.134 342,8 342,11.866 338.866,15 335,15 335,15 8,15 8,15 4.134,15 1,11.866 1,8 1,4.134 4.134,1 8,1z" Canvas.Left="0" Canvas.Top="0">
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<Path.Effect>
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<DropShadowEffect BlurRadius="0" Color="White" Direction="-90" Opacity="0.26" ShadowDepth="1"/>
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</Path.Effect>
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<Path.Fill>
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<SolidColorBrush Color="Black" Opacity="0.23137254901960785"/>
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</Path.Fill>
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</Path>
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<Border Grid.Row="1" x:Name="PART_Indicator" BorderBrush="Transparent" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="3,2,0,0" Height="12" MaxWidth="338" Background="{TemplateBinding Foreground}" CornerRadius="7.5,7.5,7.5,7.5" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"></Border>
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</Grid>
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<!--<ControlTemplate.Triggers>
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<Trigger Property="Orientation" Value="Vertical">
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<Setter Property="LayoutTransform" TargetName="Root">
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<Setter.Value>
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<RotateTransform Angle="-90" />
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</Setter.Value>
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</Setter>
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</Trigger>
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</ControlTemplate.Triggers>-->
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</ControlTemplate>
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</Setter.Value>
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</Setter>
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</Style>
样式代码里可以看到 Tamplate里有两层,一层是上标进度百分比,一层是进度条。
由于上标和进度条base我是直接在Blend里导入psd图层生成的代码 所以是画布格式的。这也注定了整个图形不可改变,除非改变path或者Image。
另外下层的两个Border 命名必须是x:Name="PART_Track" 和 x:Name="PART_Indicator" 这是进度条样式规定。
关于注释部分,因为我是path画出来的base 本就横向,无法改成纵向,所以无法纵向属性触发,有大神有好的解决方法请留言赐教。
上标的位置是绑定为x:Name="PART_Indicator"的宽度,所以可以跟随显示。 textbook显示的是ProgressBar的Value值。这部分做了两个Convert转换器,分别是将画布Left值转成(x:Name="PART_Indicator"的宽度-25)、将textbook的文字格式化为ProgressBar的Value值+“%”。
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public class ProgressBarValueLocationConverter :IValueConverter
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{
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public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
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{
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return ((double)value - 25);
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}
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public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
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{
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return 0;
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}
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}
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public class ProgressBarValueTextFormatConverter:IValueConverter
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{
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public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
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{
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return value.ToString() + "%";
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}
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public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
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{
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throw new NotImplementedException();
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}
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}
完成^^
使用的时候,可以改变Value值,Foreground值
<ProgressBar Foreground="Black" Value="10" HorizontalAlignment="Center" VerticalAlignment="Center"></ProgressBar>