WPF布局按钮切换

WPF布局按钮切换，效果和代码如下

<Window x:Class="LayoutTransitionsDemo.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:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:LayoutTransitionsDemo"
        mc:Ignorable="d"
        Title="MainWindow" Height="350" Width="525" Loaded="OnLoad">
    <Grid Background="{StaticResource BgKey}">
        <Grid.RowDefinitions>
            <RowDefinition />
        Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="100" />
            <ColumnDefinition />
        Grid.ColumnDefinitions>

        <Grid Grid.Row="0" Grid.Column="0" Name="ButtonGrid">
            <Grid.RowDefinitions>
                <RowDefinition />
                <RowDefinition />
                <RowDefinition />
                <RowDefinition />
                <RowDefinition />
                <RowDefinition />
                <RowDefinition />
                <RowDefinition />
                <RowDefinition />
                <RowDefinition />
            Grid.RowDefinitions>
            <Button Grid.Row="0" Grid.Column="0" Click="OnGrid5"
                    AutomationProperties.HelpText="Move all buttons into the five by five (5x5) grid">
                MoveToGrid5
            Button>
            <Button Grid.Row="1" Grid.Column="0" Click="OnGrid3"
                    AutomationProperties.HelpText="Move all buttons into the three by three (3x3) grid">
                MoveToGrid3
            Button>
            <Button Grid.Row="2" Grid.Column="0" Click="OnAdvanceClick"
                    AutomationProperties.HelpText="Increase the starting location in the grid by one">
                Grid:Advance
            Button>
            <Button Grid.Row="3" Grid.Column="0" Click="OnRetreatClick"
                    AutomationProperties.HelpText="Decrease the starting location in the grid by one">
                Grid:Retreat
            Button>
            <Button Grid.Row="4" Grid.Column="0" Click="OnStackPanel"
                    AutomationProperties.HelpText="Move all buttons into the stack panel">
                MoveToStack
            Button>
            <Button Grid.Row="5" Grid.Column="0" Click="OnStackVertical"
                    AutomationProperties.HelpText="Set the Stackpanel's orientation to vertical">
                Stack:Vertical
            Button>
            <Button Grid.Row="6" Grid.Column="0" Click="OnStackHorizontal"
                    AutomationProperties.HelpText="Set the Stackpanel's orientation to horizontal">
                Stack:Horizontal
            Button>
            <Button Grid.Row="7" Grid.Column="0" Click="OnWrapPanel"
                    AutomationProperties.HelpText="Move all buttons into the wrap panel">
                MoveToWrap
            Button>
            <Button Grid.Row="8" Grid.Column="0" Click="OnWrapVertical"
                    AutomationProperties.HelpText="Set the wrappanel's orientation to vertical">
                Wrap:Vertical
            Button>
            <Button Grid.Row="9" Grid.Column="0" Click="OnWrapHorizontal"
                    AutomationProperties.HelpText="Set the wrappanel's orientation to horizontal">
                Wrap:Horizontal
            Button>
        Grid>

        <Grid Grid.Row="0" Grid.Column="1" Name="LTLGrid">
            <Grid.RowDefinitions>
                <RowDefinition />
                <RowDefinition />
                <RowDefinition />
                <RowDefinition />
                <RowDefinition />
            Grid.RowDefinitions>
            <Grid.ColumnDefinitions>
                <ColumnDefinition />
                <ColumnDefinition />
                <ColumnDefinition />
                <ColumnDefinition />
                <ColumnDefinition />
            Grid.ColumnDefinitions>
        Grid>

        <Grid Grid.Row="0" Grid.Column="1" Name="LTLGrid2">
            <Grid.RowDefinitions>
                <RowDefinition />
                <RowDefinition />
                <RowDefinition />
            Grid.RowDefinitions>
            <Grid.ColumnDefinitions>
                <ColumnDefinition />
                <ColumnDefinition />
                <ColumnDefinition />
            Grid.ColumnDefinitions>
        Grid>

        <StackPanel Grid.Row="0" Grid.Column="1" Name="LTLStackPanel" />

        <WrapPanel Grid.Row="0" Grid.Column="1" Margin="100" Name="LTLWrapPanel" />

        <Canvas Grid.Row="0" Grid.Column="1" Name="LTLCanvas" />
    Grid>
Window>