<Border CornerRadius="3" Width="100" Height="100">

      <StackPanel Background="Red"></StackPanel>

</Border>

<Border CornerRadius="3" Background="Red" Width="100" Height="100">

    <StackPanel ></StackPanel>

</Border>

<Button x:Name="but1" Content="软件介绍" HorizontalAlignment="Left" Margin="126,356,0,0" VerticalAlignment="Top" Width="128" Click="Button_Click" FontSize="20" Height="35" >

　　<Button.Template>

　　　　<ControlTemplate TargetType="{x:Type Button}">

　　　　　　<Border BorderBrush="{TemplateBinding Control.BorderBrush}" BorderThickness="1" CornerRadius="10">

　　　　　　　　<Border.Background>#FF8EB4D4</Border.Background>

　　　　　　　　<ContentPresenter Content="{TemplateBinding ContentControl.Content}" HorizontalAlignment="Center" VerticalAlignment="Center" />

　　　　　　</Border>

　　　　</ControlTemplate>

　　</Button.Template>

</Button>

<TextBox HorizontalAlignment="Left" Height="24" Margin="43,192,0,0" TextWrapping="Wrap" Text="TextBox" VerticalAlignment="Top" Width="98">

                <TextBox.Resources>

                    <Style TargetType="{x:Type Border}">

                        <Setter Property="CornerRadius" Value="8"/>

                        <Setter Property="BorderBrush" Value="#c1d0dc"/>

                    </Style>

                </TextBox.Resources>

</TextBox>

<PasswordBox x:Name="t2" HorizontalAlignment="Left" Margin="183,150,0,0" VerticalAlignment="Top" Width="114" Height="26" BorderBrush="{DynamicResource {x:Static SystemColors.ControlDarkBrushKey}}" FontSize="18" Password="
">

                <PasswordBox.Resources>

                    <Style TargetType="PasswordBox">

                        <Setter Property="PasswordChar" Value="●"/>

                        <Setter Property="KeyboardNavigation.TabNavigation" Value="None"/>

                        <Setter Property="HorizontalContentAlignment" Value="Left"/>

                        <Setter Property="Padding" Value="1"/>

                        <Setter Property="FocusVisualStyle" Value="{x:Null}"/>

                        <Setter Property="AllowDrop" Value="true"/>

                        <Setter Property="Template">

                            <Setter.Value>

                                <ControlTemplate TargetType="PasswordBox">

                                    <Border CornerRadius="8" x:Name="Bd" Background="White" BorderBrush="#c1d0dc" BorderThickness="1" OpacityMask="{x:Null}">

                                        <ScrollViewer SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" x:Name="PART_ContentHost" Template="{DynamicResource ScrollViewerControlTemplate1}"/>

                                    </Border>

                                </ControlTemplate>

                            </Setter.Value>

                        </Setter>

                    </Style>

                </PasswordBox.Resources>

</PasswordBox>