本篇文章為大家展示了WPF中怎么自定義ProgressBar滾動(dòng)條樣式,內(nèi)容簡(jiǎn)明扼要并且容易理解,絕對(duì)能使你眼前一亮,通過(guò)這篇文章的詳細(xì)介紹希望你能有所收獲。
一、前言
滾動(dòng)條一般用于加載進(jìn)度,我們?cè)诳匆曨l的時(shí)候或者在瀏覽網(wǎng)頁(yè)的時(shí)候經(jīng)常能看到加載進(jìn)度的頁(yè)面。在程序開(kāi)發(fā)中,默認(rèn)的進(jìn)度加載樣式可能跟程序風(fēng)格不太一樣,或者加載進(jìn)度的時(shí)候需要更改一下加載的樣式。這個(gè)時(shí)候就需要通過(guò)修改ProgressBar的樣式來(lái)實(shí)現(xiàn)。
二、ProgressBar的基本樣式
ProgressBar的基本樣式很簡(jiǎn)單:
<Style TargetType="{x:Type ProgressBar}"> <Setter Property="FocusVisualStyle" Value="{x:Null}"/> <Setter Property="SnapsToDevicePixels" Value="True"/> <Setter Property="Height" Value="15"/> <Setter Property="Background" Value="#6fae5f"/> <Setter Property="FontSize" Value="10"/> <Setter Property="Padding" Value="5,0"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type ProgressBar}"> <Grid Background="#00000000"> <Grid.RowDefinitions> <RowDefinition Height="Auto"/> </Grid.RowDefinitions> <VisualStateManager.VisualStateGroups> <VisualStateGroup x:Name="CommonStates"> <VisualState x:Name="Determinate"/> <VisualState x:Name="Indeterminate"> <Storyboard RepeatBehavior="Forever"> <PointAnimationUsingKeyFrames Storyboard.TargetName="Animation" Storyboard.TargetProperty="(UIElement.RenderTransformOrigin)"> <EasingPointKeyFrame KeyTime="0:0:0" Value="0.5,0.5"/> <EasingPointKeyFrame KeyTime="0:0:1.5" Value="1.95,0.5"/> <EasingPointKeyFrame KeyTime="0:0:3" Value="0.5,0.5"/> </PointAnimationUsingKeyFrames> </Storyboard> </VisualState> </VisualStateGroup> </VisualStateManager.VisualStateGroups> <Grid Height="{TemplateBinding Height}"> <Border Background="#000000" CornerRadius="7.5" Opacity="0.05"/> <Border BorderBrush="#000000" BorderThickness="1" CornerRadius="7.5" Opacity="0.1"/> <Grid Margin="{TemplateBinding BorderThickness}"> <Border x:Name="PART_Track"/> <Grid x:Name="PART_Indicator" ClipToBounds="True" HorizontalAlignment="Left" > <Grid.ColumnDefinitions> <ColumnDefinition x:Name="width2"/> <ColumnDefinition x:Name="width3" Width="0"/> </Grid.ColumnDefinitions> <Grid x:Name="Animation" RenderTransformOrigin="0.5,0.5"> <Grid.RenderTransform> <TransformGroup> <ScaleTransform ScaleY="-1" ScaleX="1"/> <SkewTransform AngleY="0" AngleX="0"/> <RotateTransform Angle="180"/> <TranslateTransform/> </TransformGroup> </Grid.RenderTransform> <Border Background="{TemplateBinding Background}" CornerRadius="7.5"> <Viewbox HorizontalAlignment="Left" StretchDirection="DownOnly" Margin="{TemplateBinding Padding}" SnapsToDevicePixels="True"> <TextBlock Foreground="#ffffff" SnapsToDevicePixels="True" FontSize="{TemplateBinding FontSize}" VerticalAlignment="Center" Text="{Binding RelativeSource={RelativeSource TemplatedParent},Path=Value,StringFormat={}{0}%}" RenderTransformOrigin="0.5,0.5"> <TextBlock.RenderTransform> <TransformGroup> <ScaleTransform ScaleY="1" ScaleX="-1"/> <SkewTransform AngleY="0" AngleX="0"/> <RotateTransform Angle="0"/> <TranslateTransform/> </TransformGroup> </TextBlock.RenderTransform> </TextBlock> </Viewbox> </Border> <Border BorderBrush="#000000" BorderThickness="1" CornerRadius="7.5" Opacity="0.1"/> </Grid> </Grid> </Grid> </Grid> </Grid> <ControlTemplate.Triggers> <Trigger Property="IsEnabled" Value="False"> <Setter Property="Background" Value="#c5c5c5"/> </Trigger> <Trigger Property="IsIndeterminate" Value="true"> <Setter TargetName="width2" Property="Width" Value="0.25*"/> <Setter TargetName="width3" Property="Width" Value="0.725*"/> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style>
引用示例:
<ProgressBar Height="15" Width="150" Value="40" Margin="10"/>
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