Revit.Plugln/FWindSoft/Revit/XiaoHong/Themes/MenuButton.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
                     xmlns:local="clr-namespace:LRH.Controls">
    <Style TargetType="Button" x:Key="MenuButton">
        <Setter Property="Width" Value="20"/>
        <Setter Property="Height" Value="20"/>
        <Setter Property="VerticalAlignment" Value="Center"/>
        <Setter Property="Background" Value="Transparent"></Setter>
        <Style.Triggers>
            <Trigger Property="IsMouseOver" Value="true">
                <Setter Property="Opacity" Value="0.3"></Setter>
                <Setter Property="Background"  Value="White"/>
                <Setter Property="Foreground"  Value="OrangeRed"/>
            </Trigger>
        </Style.Triggers>
    </Style>

    <Style TargetType="Button" x:Key="{x:Static local:WindowBase.CloseButtonStyleKey}" BasedOn="{StaticResource MenuButton}">
        <Setter Property="ToolTip" Value="关闭"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="Button">
                    <Border Name="bdPanel" SnapsToDevicePixels="true" Background="{TemplateBinding Background}">
                        <TextBlock Name="txtContent" FontSize="18" VerticalAlignment="Center" HorizontalAlignment="Center"   Foreground="{TemplateBinding Foreground}" Text="×"></TextBlock>
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
        <Style.Triggers>
            <Trigger Property="IsMouseOver" Value="true">
                <Setter Property="Opacity" Value="0.5"></Setter>
                <Setter Property="Background"  Value="Red"/>
                <Setter Property="Foreground"  Value="Black"/>
            </Trigger>
        </Style.Triggers>
    </Style>

    <Style TargetType="Button" x:Key="{x:Static local:WindowBase.RestoreButtonKey}" BasedOn="{StaticResource MenuButton}">
        <Setter Property="ToolTip" Value="还原"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="Button">
                    <Border Name="bdPanel" SnapsToDevicePixels="true" Background="{TemplateBinding Background}">
                        <TextBlock Name="txtContent" FontSize="18" VerticalAlignment="Center" HorizontalAlignment="Center"   Foreground="{TemplateBinding Foreground}" Text="❐"></TextBlock>
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style TargetType="Button" x:Key="{x:Static local:WindowBase.MinButtonStyleKey}" BasedOn="{StaticResource MenuButton}">
        <Setter Property="ToolTip" Value="最小化"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="Button">
                    <Border Name="bdPanel" SnapsToDevicePixels="true" Background="{TemplateBinding Background}">
                        <TextBlock Name="txtContent" FontSize="18" VerticalAlignment="Center" HorizontalAlignment="Center"    Foreground="{TemplateBinding Foreground}" Text="－"></TextBlock>
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style TargetType="Button" x:Key="{x:Static local:WindowBase.MaxButtonStyleKey}" BasedOn="{StaticResource MenuButton}">
        <Setter Property="ToolTip" Value="最大化"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="Button">
                    <Border Name="bdPanel" SnapsToDevicePixels="true" Background="{TemplateBinding Background}">
                        <TextBlock Name="txtContent" FontSize="18" VerticalAlignment="Center" HorizontalAlignment="Center"   Foreground="{TemplateBinding Foreground}" Text="□"></TextBlock>
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

</ResourceDictionary>