WPF中怎么修改button圓角

WPF中怎么修改button圓角，相信很多沒有經(jīng)驗(yàn)的人對此束手無策，為此本文總結(jié)了問題出現(xiàn)的原因和解決方法，通過這篇文章希望你能解決這個(gè)問題。

1. 需要添加button 的template.

2. 設(shè)置border的時(shí)候，必須要設(shè)置background, 否則會提示content 被多次使用。

<Button Grid.Row="3" Grid.Column="2" Content="取消" Margin="30,40,200,40" >                 <Button.Template >                     <ControlTemplate TargetType="{x:Type Button}" >                         <Border BorderBrush="{TemplateBinding Control.BorderBrush}" BorderThickness="1" CornerRadius="7,7,7,7">                             <Border.Background>#FFDDDDDD</Border.Background>                             <ContentPresenter Content="{TemplateBinding ContentControl.Content}" HorizontalAlignment="Center" VerticalAlignment="Center" ></ContentPresenter>                         </Border>                     </ControlTemplate>                 </Button.Template>             </Button>

我們只需要在XAML中給他添加幾行代碼就可以做成圓角形狀。

<Button x:Name="button" Content="按鈕" FontSize="40" BorderThickness="0" HorizontalAlignment="Left" Margin="25,58,0,0" VerticalAlignment="Top" Width="472" Height="200" Foreground="White">       <Button.Template>            <ControlTemplate TargetType="{x:Type Button}">                <Border BorderThickness="1" BorderBrush="Black" CornerRadius="30" Background="{TemplateBinding Background}">                    <ContentPresenter VerticalAlignment="Center" HorizontalAlignment="Center"/>                </Border>            </ControlTemplate>        </Button.Template> </Button>

屬性解析：

BorderThickness：邊框的大小

BorderBrush：邊框的顏色

CornerRadius：圓角的大小

Background：背景顏色"{TemplateBinding Background}"：這個(gè)就是使用上面<Button>的Background屬性值作為他的值

<ContentPresenter VerticalAlignment="Center" HorizontalAlignment="Center"/>：文字垂直居中對齊

加個(gè)漸變色

<Button x:Name="button" Content="按鈕" FontSize="40" BorderThickness="0" HorizontalAlignment="Left" Margin="25,58,0,0" VerticalAlignment="Top" Width="472" Height="200" Foreground="White">             <Button.Background>                 <LinearGradientBrush EndPoint="1,1" StartPoint="0,0">                     <GradientStop Color="#FFC564B8" Offset="0"/>                     <GradientStop Color="#FFF57A7A" Offset="1"/>                 </LinearGradientBrush>             </Button.Background>             <Button.Template>                 <ControlTemplate TargetType="{x:Type Button}">                     <Border BorderThickness="1" CornerRadius="30" Background="{TemplateBinding Background}">                         <ContentPresenter VerticalAlignment="Center" HorizontalAlignment="Center"/>                     </Border>                 </ControlTemplate>             </Button.Template>         </Button>

如圖：

項(xiàng)目實(shí)例：

把樣式和空間模板放到資源中，然后去引用

<Window x:Class="WpfApp18.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:WpfApp18"         mc:Ignorable="d"         Title="MainWindow" Height="450" Width="800">     <Window.Resources >         <ResourceDictionary >             <Style x:Key="dgButton" TargetType="Button" >                 <Setter Property="FontSize" Value="40"/>                 <Setter Property="Content" Value="按鈕"/>                 <Setter Property="Foreground" Value="White"/>                 <Setter Property="Background">                     <Setter.Value>                         <!--<RadialGradientBrush>                         <GradientStop Color="#FFC564B8" Offset="0"/>                         <GradientStop Color="#FFF57A7A" Offset="1"/>                     </RadialGradientBrush>-->                         <LinearGradientBrush EndPoint="1,1" StartPoint="0,0">                             <GradientStop Color="#FFC564B8" Offset="0"/>                             <GradientStop Color="#FFF57A7A" Offset="1"/>                         </LinearGradientBrush>                     </Setter.Value>                 </Setter>             </Style >             <ControlTemplate x:Key="buttonTemplate" TargetType="Button" >                 <Border BorderThickness="1" CornerRadius="30" Background="{TemplateBinding Background}">                     <ContentPresenter VerticalAlignment="Center" HorizontalAlignment="Center"/>                 </Border>                 <!--<Grid >                     <Ellipse Name="faceEllipse" Height="50" Width="100" Fill="{TemplateBinding Button.Background}"/>                     <TextBlock Name="txtBlock"  />                 </Grid >-->                 <ControlTemplate.Triggers >                     <Trigger Property="Button.IsMouseOver" Value="True">                         <Setter Property="Button.Background" Value="blue"/>                     </Trigger >                 </ControlTemplate.Triggers >             </ControlTemplate >         </ResourceDictionary >     </Window.Resources >     <Grid>         <Button Height="200" HorizontalAlignment="Center" Name="button1" VerticalAlignment="Center" Width="400" Style ="{StaticResource dgButton}" Template="{StaticResource  buttonTemplate}"/>     </Grid> </Window>

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