如何在WPF中创建/制作圆角按钮？ [英] How to create/make rounded corner buttons in WPF?

问题描述

我需要在WPF中创建一个圆角光泽按钮。谁能解释一下需要什么步骤？

I need to create a rounded corner glossy button in WPF. Can anyone please explain me what steps are needed?

推荐答案

您必须为Button创建自己的ControlTemplate。只是看看示例

You have to create your own ControlTemplate for the Button. just have a look at the sample

创建了一个名为RoundCorner的样式，在内部进行了更改，而是创建了自己的带有边框的新控制模板（CornerRadius = 8），用于圆角和一些背景和其他触发效果。如果您有或知道Expression Blend，则可以非常轻松地完成。

created a style called RoundCorner and inside that i changed rather created my own new Control Template with Border (CornerRadius=8) for round corner and some background and other trigger effect. If you have or know Expression Blend it can be done very easily.

<Style x:Key="RoundCorner" TargetType="{x:Type Button}">
    <Setter Property="HorizontalContentAlignment" Value="Center"/>
    <Setter Property="VerticalContentAlignment" Value="Center"/>
    <Setter Property="Padding" Value="1"/>
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="{x:Type Button}">
                <Grid x:Name="grid">
                    <Border x:Name="border" CornerRadius="8" BorderBrush="Black" BorderThickness="2">
                        <Border.Background>
                            <RadialGradientBrush GradientOrigin="0.496,1.052">
                                <RadialGradientBrush.RelativeTransform>
                                    <TransformGroup>
                                        <ScaleTransform CenterX="0.5" CenterY="0.5" 
                                                        ScaleX="1.5" ScaleY="1.5"/>
                                        <TranslateTransform X="0.02" Y="0.3"/>
                                    </TransformGroup>
                                </RadialGradientBrush.RelativeTransform>
                                <GradientStop Offset="1" Color="#00000000"/>
                                <GradientStop Offset="0.3" Color="#FFFFFFFF"/>
                            </RadialGradientBrush>
                        </Border.Background>
                        <ContentPresenter HorizontalAlignment="Center"
                                          VerticalAlignment="Center"
                                          TextElement.FontWeight="Bold">
                        </ContentPresenter>
                    </Border>

                </Grid>
                <ControlTemplate.Triggers>
                    <Trigger Property="IsPressed" Value="True">
                        <Setter Property="Background" TargetName="border">
                            <Setter.Value>
                                <RadialGradientBrush GradientOrigin="0.496,1.052">
                                    <RadialGradientBrush.RelativeTransform>
                                        <TransformGroup>
                                            <ScaleTransform CenterX="0.5" CenterY="0.5" ScaleX="1.5" ScaleY="1.5"/>
                                            <TranslateTransform X="0.02" Y="0.3"/>
                                        </TransformGroup>
                                    </RadialGradientBrush.RelativeTransform>
                                    <GradientStop Color="#00000000" Offset="1"/>
                                    <GradientStop Color="#FF303030" Offset="0.3"/>
                                </RadialGradientBrush>
                            </Setter.Value>
                        </Setter>
                    </Trigger>
                    <Trigger Property="IsMouseOver" Value="True">
                        <Setter Property="BorderBrush" TargetName="border" Value="#FF33962B"/>
                    </Trigger>
                    <Trigger Property="IsEnabled" Value="False">
                        <Setter Property="Opacity" TargetName="grid" Value="0.25"/>
                    </Trigger>

                </ControlTemplate.Triggers>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>

使用

<Button Style="{DynamicResource RoundCorner}" 
        Height="25" 
        VerticalAlignment="Top" 
        Content="Show" 
        Width="100" 
        Margin="5" />

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