XAML 在按钮模板上设置CornerRadius

wvmv3b1j  于 2022-12-07  发布在  其他
关注(0)|答案(8)|浏览(165)

我想有一个按钮定义没有CornerRadius和两个其他的做，我怎么能做到这一点？

<Style TargetType="Button" x:Key="TabButton">
    <Setter Property="Background" Value="White" />
    <Setter Property="TextBlock.TextAlignment" Value="Center" />
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="Button">
                <Border CornerRadius="0" Background="White" BorderBrush="#ccc" BorderThickness="0,1,1,0" >
                    <ContentPresenter x:Name="contentPresenter" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                </Border>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>

<Style TargetType="Button" x:Key="TabButtonFirst" BasedOn="{StaticResource TabButton}">
    <Setter Property="CornerRadius" Value="3,0,0,0" />
</Style>

<Style TargetType="Button" x:Key="TabButtonLast" BasedOn="{StaticResource TabButton}">
    <Setter Property="CornerRadius" Value="0,0,0,3" />
</Style>
xaml

8条答案

按热度按时间
7eumitmz

7eumitmz1#

您并不局限于所模板化的控件的依赖项属性。在本例中，虽然Button没有CornerRadius属性，但Border有，因此您可以改用Border.CornerRadius：

<Style TargetType="Button" x:Key="TabButton">
    <Setter Property="Background" Value="White" />
    <Setter Property="TextBlock.TextAlignment" Value="Center" />
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="Button">
                <Border CornerRadius="{TemplateBinding Border.CornerRadius}" 
                        Background="White" BorderBrush="#ccc" 
                        BorderThickness="0,1,1,0" >
                    <ContentPresenter x:Name="contentPresenter" 
                                      ContentTemplate="{TemplateBinding ContentTemplate}" 
                                      Content="{TemplateBinding Content}" 
                                      HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                      Margin="{TemplateBinding Padding}" 
                                      VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                </Border>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>

<Style TargetType="Button" x:Key="TabButtonFirst" BasedOn="{StaticResource TabButton}">
    <Setter Property="Border.CornerRadius" Value="3,0,0,0" />
</Style>

<Style TargetType="Button" x:Key="TabButtonLast" BasedOn="{StaticResource TabButton}">
    <Setter Property="Border.CornerRadius" Value="0,0,0,3" />
</Style>

使用此方法，您不再需要维护控件模板的多个副本。

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hlswsv35

hlswsv352#

只需创建一个新的Button，如下所示：

<!--Button-->
            <Button  
               Name="myButton"
               Content="OK"
               FontFamily="Century Gothic"
               Foreground="white"
               Background="CornflowerBlue"
               BorderThickness="0"
               Padding="10"
               Margin="10,5">

                <Button.Resources>
                    <Style TargetType="{x:Type Border}">
                        <Setter Property="CornerRadius" Value="7"/>
                    </Style>
                </Button.Resources>

            </Button>
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yhxst69z

yhxst69z3#

正如Nitesh所说，您在Button上没有CornerRadius属性，它是Border的属性，正如您在第一个样式中所显示的，只需复制您的第一个样式并更改CornerRadius，然后将其分配给相应Button的样式。

<Window x:Class="WpfApplication1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <Window.Resources>
        <Style TargetType="Button" x:Key="TabButton">
            <Setter Property="Background" Value="White" />
            <Setter Property="TextBlock.TextAlignment" Value="Center" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="Button">
                        <Border CornerRadius="0" Background="White" BorderBrush="#ccc" BorderThickness="0,1,1,0" >
                            <ContentPresenter x:Name="contentPresenter" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                        </Border>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
        <Style TargetType="Button" x:Key="TabButtonFirst">
            <Setter Property="Background" Value="White" />
            <Setter Property="TextBlock.TextAlignment" Value="Center" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="Button">
                        <Border CornerRadius="3,0,0,0" Background="White" BorderBrush="#ccc" BorderThickness="0,1,1,0" >
                            <ContentPresenter x:Name="contentPresenter" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                        </Border>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
         </Style>
         <Style TargetType="Button" x:Key="TabButtonLast">
            <Setter Property="Background" Value="White" />
            <Setter Property="TextBlock.TextAlignment" Value="Center" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="Button">
                        <Border CornerRadius="0,0,0,3" Background="White" BorderBrush="#ccc" BorderThickness="0,1,1,0" >
                            <ContentPresenter x:Name="contentPresenter" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                        </Border>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
      </Window.Resources>
        <Grid Background="Black">
        <Button Style="{StaticResource TabButton}" Content="Button" Height="23" HorizontalAlignment="Left" Margin="12,72,0,0" Name="button1" VerticalAlignment="Top" Width="75" />
        <Button Style="{StaticResource TabButtonFirst}" Content="Button" Height="23" HorizontalAlignment="Left" Margin="10,43,0,0" Name="button2" VerticalAlignment="Top" Width="75" />
        <Button Style="{StaticResource TabButtonLast}" Content="Button" Height="23" HorizontalAlignment="Left" Margin="12,101,0,0" Name="button3" VerticalAlignment="Top" Width="75" />
    </Grid>
</Window>

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p3rjfoxz

p3rjfoxz4#

您可以直接使用Style.Resources并以边框为目标，而不使用ControlTemplate：

<Style TargetType="Button" x:Key="TabButton">
  <Setter Property="Background" Value="White" />
  <Setter Property="TextBlock.TextAlignment" Value="Center" />
  <Style.Resources>
    <Style TargetType="Border">
      <Setter Property="CornerRadius" Value="3,0,0,0" />
    </Style>
  </Style.Resources>
</Style>
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63lcw9qa

63lcw9qa5#

您可以使用附加属性来设置按钮边框半径（同样适用于文本框）。
为附加属性创建类

public class CornerRadiusSetter
{
    public static CornerRadius GetCornerRadius(DependencyObject obj) => (CornerRadius)obj.GetValue(CornerRadiusProperty);

    public static void SetCornerRadius(DependencyObject obj, CornerRadius value) => obj.SetValue(CornerRadiusProperty, value);

    public static readonly DependencyProperty CornerRadiusProperty =
        DependencyProperty.RegisterAttached(nameof(Border.CornerRadius), typeof(CornerRadius),
            typeof(CornerRadiusSetter), new UIPropertyMetadata(new CornerRadius(), CornerRadiusChangedCallback));

    public static void CornerRadiusChangedCallback(object sender, DependencyPropertyChangedEventArgs e)
    {
        Control control = sender as Control;

        if (control == null) return;

        control.Loaded += Control_Loaded;
    }

    private static void Control_Loaded(object sender, EventArgs e)
    {
        Control control = sender as Control;

        if (control == null || control.Template == null) return;

        control.ApplyTemplate();

        Border border = control.Template.FindName("border", control) as Border;

        if (border == null) return;

        border.CornerRadius = GetCornerRadius(control);
    }
}

然后，您可以使用附加属性语法来设定多个按钮的样式，而不需要重复的样式：

<Button local:CornerRadiusSetter.CornerRadius="3,0,0,0">Click me!</Button>

<Button local:CornerRadiusSetter.CornerRadius="0,0,0,3">Click me!</Button>
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guz6ccqo

guz6ccqo6#

我会创建自己的自定义按钮类（继承自Button），其中包含一个CornerRadius依赖属性。然后，样式的目标类型成为这个新类，您可以使用模板绑定来设置圆角半径。
使用这种方法，您不仅不需要维护控件模板的多个副本，而且不需要在每次要修改圆角半径时都创建新样式。您只需设置或直接绑定到CornerRadius依赖项属性。
因此，控件的程式码看起来可能如下所示：

public class MyCustomButton : Button
{
    public static readonly DependencyProperty CornerRadiusProperty =
        DependencyProperty.Register("CornerRadius", typeof(CornerRadius), typeof(MyCustomButton), new FrameworkPropertyMetadata(new CornerRadius(0)));

    public CornerRadius CornerRadius
    {
        get { return (CornerRadius)GetValue(CornerRadiusProperty); }
        set { SetValue(CornerRadiusProperty, value); }
    }
}

而XAML：

<Style TargetType="MyCustomButton" x:Key="TabButton">
    <Setter Property="Background" Value="White" />
    <Setter Property="TextBlock.TextAlignment" Value="Center" />
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="MyCustomButton">
                <Border CornerRadius="{TemplateBinding CornerRadius}" Background="White" BorderBrush="#ccc" BorderThickness="0,1,1,0" >
                    <ContentPresenter x:Name="contentPresenter" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                </Border>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>

因此，对于不需要圆角半径的按钮，由于dependency属性默认为0，因此不需要执行任何操作。对于具有圆角半径的按钮，只需将dependency属性设置为适当的值，就像对普通Border设置CornerRadius属性一样。

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qnakjoqk

qnakjoqk7#

我在想把这个放在哪里，我把它放在我的<Button Content="..下面

<Button.Resources>
 <Style TargetType="{x:Type Border}">
  <Setter Property="CornerRadius" Value="15"/>
 </Style>
</Button.Resources>

及以上<Button.RenderTransform>
对我有用

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093gszye

093gszye8#

private Button [] Buttonsd() // Select all buttons on page
        {

            /// casting the content into panel
            Panel mainContainer = (Panel)this.Content;

            /// GetAll UIElement
            UIElementCollection element = mainContainer.Children;
         
            /// casting the UIElementCollection into List
            /// 
            List<DependencyObject> lstElement = element.Cast<DependencyObject>().ToList();

            /// Geting all Control from list
            /// 
            Button [] btns =  lstElement.OfType<Button>().ToArray();



            return btns;

            //maingrid.Children.Add(new Button() { Content = "HELLOMOTO" }); added new controls

           


        }     

private void RadiusButtons(int radiusvalue,Button btn)
            {
                ControlTemplate template = btn.Template;
                Border Border = (Border)template.FindName("border", btn);
                CornerRadius radius = new CornerRadius(radiusvalue);
                Border.CornerRadius = radius;
    
              }
    
                private void AllButtonsSettings()
            {
                Button[] buttons = Buttonsd(); // create buttons collection 
    
                foreach(Button btn in Buttonsd())
                {
                    RadiusButtons(21, btn);
                }
    
    
    
            }
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