<Application x:Class="WPFCustomerStyleStudy.App"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"StartupUri="MainWindow.xaml"><Application.Resources><Style x:Key="MyWpfButton" TargetType="{x:Type Button}" ></Style></Application.Resources>
</Application>

<Application x:Class="WPFCustomerStyleStudy.App"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"StartupUri="MainWindow.xaml"><Application.Resources><!--自定义颜色--><LinearGradientBrush x:Key="LinearGradientBlueBackground" EndPoint="0.5,1" StartPoint="0.5,0"><GradientStop Color="#FF377FED" Offset="0" /><GradientStop Color="#FF074CC0" Offset="1" /></LinearGradientBrush><Color x:Key="MyBtnBorderColor">#FF2D78F4</Color><!--END--><Style x:Key="MyWpfButton" TargetType="{x:Type Button}" ><Setter Property="Background" Value="{StaticResource LinearGradientBlueBackground}"></Setter><Setter Property="Foreground" Value="White"></Setter><Setter Property="BorderBrush" Value="{StaticResource MyBtnBorderColor}"></Setter></Style></Application.Resources>
</Application>

<Application x:Class="WPFCustomerStyleStudy.App"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"StartupUri="MainWindow.xaml"><Application.Resources><!--自定义颜色--><LinearGradientBrush x:Key="LinearGradientBlueBackground" EndPoint="0.5,1" StartPoint="0.5,0"><GradientStop Color="#FF377FED" Offset="0" /><GradientStop Color="#FF074CC0" Offset="1" /></LinearGradientBrush><SolidColorBrush x:Key="MyBtnBorderColor" Color="#FF2D78F4"></SolidColorBrush><SolidColorBrush x:Key="MyBtnHoverBackgroundColor" Color="#FF317EF3"></SolidColorBrush><!--END--><Style x:Key="MyWpfButton" TargetType="{x:Type Button}" ><Setter Property="Background" Value="{StaticResource LinearGradientBlueBackground}"></Setter><Setter Property="Foreground" Value="White"></Setter><Setter Property="BorderBrush" Value="{StaticResource MyBtnBorderColor}"></Setter><Setter Property="Template"><Setter.Value><ControlTemplate TargetType="{x:Type Button}"><Border x:Name="border" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="true" CornerRadius="3,3,3,3"><ContentPresenter x:Name="contentPresenter" Focusable="False" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"VerticalAlignment="{TemplateBinding VerticalContentAlignment}"  /></Border><ControlTemplate.Triggers><Trigger Property="IsMouseOver" Value="true"><Setter Property="Background" TargetName="border" Value="{StaticResource MyBtnHoverBackgroundColor}"/></Trigger></ControlTemplate.Triggers></ControlTemplate></Setter.Value></Setter></Style></Application.Resources>
</Application>