WPF全局样式、控件模板（圆角Button）和资源字典

WPF全局样式、控件模板（圆角Button）和资源字典

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1. 在解决方案中添加资源字典buttonStytle，最好自定义个文件夹放里边。如图：
   
2. 资源字典中写样式,注意基样式可以有key可以无key。

   <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
   <!--基类样式无key-->
   <Style TargetType="Button">
       <Setter Property="Background" Value="Yellow"/>
   </Style>
   <!--注意BaseOn写法-->
   <Style TargetType="Button" x:Key="startButton" BasedOn="{StaticResource {x:Type Button}}">
       <Setter Property="Width" Value="200"/>
   </Style>
    
   <!--基类样式有key-->
   <Style TargetType="Button" x:Key="quitButtonBase">
       <Setter Property="Background" Value="Blue" />
   </Style>
   <!--注意BaseOn写法-->
   <Style TargetType="Button" x:Key="quitButton" BasedOn="{StaticResource quitButtonBase}">
       <Setter Property="Width" Value="200"/>
   </Style>
    
   <ControlTemplate TargetType="Button" x:Key="roundButton">
       <Border Background="{TemplateBinding Background}" CornerRadius="10">
           <TextBlock Text="{TemplateBinding Content}" HorizontalAlignment="Center" VerticalAlignment="Center"/>
           <!--这样也可以把按钮的文字属性拿过来-->
           <!--<ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>-->
       </Border>        
   </ControlTemplate>
    

``` 3. App.xaml中引用资源字典,` ` ```xaml

<Application.Resources>
    <ResourceDictionary>
        <ResourceDictionary.MergedDictionaries>
            <ResourceDictionary Source="/WPFUI;component/style/buttonStyle.xaml" />
        </ResourceDictionary.MergedDictionaries>
    </ResourceDictionary>
 
</Application.Resources>
</Application>

4. 控件引用样式
```xaml
<Window
 x:Class="WPFUI.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:local="clr-namespace:WPFUI"
 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 Title="MainWindow"
 Width="800"
 Height="450"
 mc:Ignorable="d">
 <Grid>
     <StackPanel>
         <Button Content="开始" Style="{StaticResource startButton}" />
         <Button Content="结束" Style="{StaticResource quitButton}" />
         <Button
             Width="100"
             Height="50"
             Background="#0078d4"
             Content="自定义模板" FontSize="16"
             Template="{StaticResource roundButton}" />
 
     </StackPanel>
 </Grid>
</Window>

5. 结束。