【发布时间】：2019-10-11 21:22:53
【问题描述】：
我在 WPF 的 MainWindow 中看到了进度条。可以只显示这个控件吗？我尝试将 Window 的可见性设置为隐藏，但它不起作用（不显示任何内容）。
还有第二个问题： 我将进度条的边框设置为圆形，但是当它加载前几个百分比时，动画在进度条之外，我该如何解决这个问题？
代码：
<Window x:Class="WpfApp2.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:WpfApp2"
mc:Ignorable="d"
Title="MainWindow" Height="80" Width="800" Visibility="Visible"
ContentRendered="Window_ContentRendered" WindowStyle="None">
<Window.Resources>
<SolidColorBrush x:Key="ProgressBar.Progress" Color="#FF06B025"/>
<SolidColorBrush x:Key="ProgressBar.Background" Color="#FFE6E6E6"/>
<SolidColorBrush x:Key="ProgressBar.Border" Color="#FFBCBCBC"/>
<Style x:Key="ProgressBarStyle1" TargetType="{x:Type ProgressBar}">
<Setter Property="Foreground" Value="{StaticResource ProgressBar.Progress}"/>
<Setter Property="Background" Value="{StaticResource ProgressBar.Background}"/>
<Setter Property="BorderBrush" Value="{StaticResource ProgressBar.Border}"/>
<Setter Property="BorderThickness" Value="1"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ProgressBar}">
<Grid x:Name="TemplateRoot">
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
<RowDefinition Height="0*"/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="0*"/>
<ColumnDefinition Width="0*"/>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="0*"/>
</Grid.ColumnDefinitions>
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Determinate"/>
<VisualState x:Name="Indeterminate">
<Storyboard RepeatBehavior="Forever">
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleX)" Storyboard.TargetName="Animation">
<EasingDoubleKeyFrame KeyTime="0" Value="0.25"/>
<EasingDoubleKeyFrame KeyTime="0:0:1" Value="0.25"/>
<EasingDoubleKeyFrame KeyTime="0:0:2" Value="0.25"/>
</DoubleAnimationUsingKeyFrames>
<PointAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.RenderTransformOrigin)" Storyboard.TargetName="Animation">
<EasingPointKeyFrame KeyTime="0" Value="-0.5,0.5"/>
<EasingPointKeyFrame KeyTime="0:0:1" Value="0.5,0.5"/>
<EasingPointKeyFrame KeyTime="0:0:2" Value="1.5,0.5"/>
</PointAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" CornerRadius="20" Grid.ColumnSpan="3" Grid.RowSpan="1"/>
<Rectangle x:Name="PART_Track" Grid.ColumnSpan="3" Grid.RowSpan="1"/>
<Grid x:Name="PART_Indicator" ClipToBounds="true" HorizontalAlignment="Left" Grid.RowSpan="1" Grid.ColumnSpan="3">
<Grid.RowDefinitions>
<RowDefinition Height="16*"/>
<RowDefinition Height="33*"/>
</Grid.RowDefinitions>
<Rectangle x:Name="Indicator" Fill="{TemplateBinding Foreground}" RadiusX="20" RadiusY="20" Grid.RowSpan="2"/>
<Rectangle x:Name="Animation" Fill="{TemplateBinding Foreground}" RenderTransformOrigin="0.5,0.5" Grid.RowSpan="2" RadiusX="20" RadiusY="20">
<Rectangle.RenderTransform>
<TransformGroup>
<ScaleTransform/>
<SkewTransform/>
<RotateTransform/>
<TranslateTransform/>
</TransformGroup>
</Rectangle.RenderTransform>
</Rectangle>
</Grid>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="Orientation" Value="Vertical">
<Setter Property="LayoutTransform" TargetName="TemplateRoot">
<Setter.Value>
<RotateTransform Angle="-90"/>
</Setter.Value>
</Setter>
</Trigger>
<Trigger Property="IsIndeterminate" Value="true">
<Setter Property="Visibility" TargetName="Indicator" Value="Collapsed"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Window.Resources>
<Grid>
<ProgressBar HorizontalAlignment="Left" Height="49" Margin="5,5,5,5" VerticalAlignment="Top" Width="772" Minimum="0" Maximum="100" Name="pbStatus" Style="{DynamicResource ProgressBarStyle1}"/>
</Grid>
【问题讨论】：
-
也许这个问题应该改写为
How can I create a transparent WPF window? -
问题已更改，谢谢
-
@UweKeim - 你有什么理由保留
c#标签？
标签： wpf