<Window x:Class="SpacecraftLaunching.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:SpacecraftLaunching"
        mc:Ignorable="d"
        Title="高中物理 - 航天器发射轨迹演示" 
        ResizeMode="CanMinimize"
        WindowStartupLocation="CenterScreen"
        SizeToContent="WidthAndHeight">

    <Window.Background>
        <ImageBrush ImageSource="/uires/stars.png"/>
    </Window.Background>

    <DockPanel
        x:Name="dpMain"
        LastChildFill="True"
        Width="1200"
        Height="675">

        <!--左侧面板-->
        <DockPanel
            x:Name="dpAnimation"
            Height="{Binding ElementName=dpMain,Path=Height}"
            Width="1000">

            <!--下方解说文本标签-->
            <Label
                Name="lblState"
                DockPanel.Dock="Bottom"
                Content=" "
                FontSize="45"
                HorizontalContentAlignment="Center"
                Foreground="LightYellow"/>

            <!--上方画布-->
            <Canvas x:Name="cvAnimation"
                DockPanel.Dock="Top" 
                Loaded="cvAnimation_Loaded">

                <!--一次变轨路径第一部分-->
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                      Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
                    Data="M 0,52.31 A 95 126 0 0 0 0,-200">
                    
                    <!--下面变换数据必须在代码中初始化修改-->
                    <Path.RenderTransform>
                        <TranslateTransform x:Name="ttPathCommom"
                                            X="500"
                                            Y="303.925"/>
                    </Path.RenderTransform>
                </Path>
                
                <!--一次变轨路径第二部分-->
                <Path x:Name="pthOneTrackChangePart2"
                      Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
                    Data="M 0,-200 A 200 200 0 1 0 4.19,-199.96">

                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommom,Path=X}"
                                            Y="{Binding ElementName=ttPathCommom,Path=Y}"/>
                    </Path.RenderTransform>
                </Path>

                
                <!--二次变轨路径第一部分-->
                <Path x:Name="pthTwoTrackChangePart1"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
                    Data="M 0,60 A 60 60 0 1 0 -3.06,59.92">

                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommom,Path=X}"
                                            Y="{Binding ElementName=ttPathCommom,Path=Y}"/>
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                </Path>

                <!--二次变轨路径第二部分-->
                <Path x:Name="pthTwoTrackChangePart2"
                      Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
                    Data="M 0,60 A 90 117.48 0 1 0 0,-250">

                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommom,Path=X}"
                                            Y="{Binding ElementName=ttPathCommom,Path=Y}"/>
                    </Path.RenderTransform>
                </Path>

                <!--二次变轨路径第三部分-->
                <Path x:Name="pthTwoTrackChangePart3"
                      Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
                    Data="M 0,-250 A 250 250 0 1 0 3.94,-249.97">

                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommom,Path=X}"
                                            Y="{Binding ElementName=ttPathCommom,Path=Y}"/>
                    </Path.RenderTransform>
                </Path>

                
                <!--同步卫星路径第一部分-->
                <Path x:Name="pthSyncSimPart1"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
                    Data="M 0,60 A 60 60 0 1 0 -3.06,59.92">

                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommom,Path=X}"
                                            Y="{Binding ElementName=ttPathCommom,Path=Y}"/>
                    </Path.RenderTransform>
                </Path>

                <!--同步卫星路径第二四部分-->
                <Path x:Name="pthSyncSimPart24"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
                    Data="M 0,60 A 90 117.48 0 1 0 0,-250">

                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommom,Path=X}"
                                            Y="{Binding ElementName=ttPathCommom,Path=Y}"/>
                    </Path.RenderTransform>
                </Path>

                <!--同步卫星路径第三部分-->
                <Path x:Name="pthSyncSimPart3"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
                    Data="M 0,-250 A 90 117.48 0 1 0 0,60">

                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommom,Path=X}"
                                            Y="{Binding ElementName=ttPathCommom,Path=Y}"/>
                    </Path.RenderTransform>
                </Path>

                <!--同步卫星路径第五部分-->
                <Path x:Name="pthSyncSimPart5"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
                    Data="M 0,-250 A 250 250 0 1 0 3.94,-249.97">

                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommom,Path=X}"
                                            Y="{Binding ElementName=ttPathCommom,Path=Y}"/>
                    </Path.RenderTransform>
                </Path>

                
                <!--嫦娥一号路径第一部分-->
                <Path x:Name="pthCE1SimPart1"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
                    Data="M 0,78.74 A 104.55 123.59 0 1 0 0,-168.44">

                    <!--下面变换数据必须在代码中初始化修改-->
                    <Path.RenderTransform>
                        <TranslateTransform x:Name="ttPathCommomLeft"
                                            X="250"
                                            Y="303.925"/>
                    </Path.RenderTransform>
                </Path>

                <!--嫦娥一号路径第二部分-->
                <Path x:Name="pthCE1SimPart2"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
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                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommomLeft, Path=X}"
                                            Y="{Binding ElementName=ttPathCommomLeft, Path=Y}"/>

                    </Path.RenderTransform>
                </Path>

                <!--嫦娥一号路径第三部分-->
                <Path x:Name="pthCE1SimPart3"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
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                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommomLeft, Path=X}"
                                            Y="{Binding ElementName=ttPathCommomLeft, Path=Y}"/>

                    </Path.RenderTransform>
                </Path>

                <!--嫦娥一号路径第四部分-->
                <Path x:Name="pthCE1SimPart4"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
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                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommomLeft, Path=X}"
                                            Y="{Binding ElementName=ttPathCommomLeft, Path=Y}"/>
                    </Path.RenderTransform>
                </Path>

                <!--嫦娥一号路径第五部分-->
                <Path
                    x:Name="pthCE1SimPart5"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2">

                    <Path.Data>
                        <PathGeometry>
                            <PathFigure 
                                x:Name="pfCE1SimPart5"
                                StartPoint="0,79.96 ">
                                <PolyLineSegment
                                    x:Name="plsCE1SimPart5"
                                    Points="36.16,79.67 62.18,78.07 87.13,72.77
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                                    200.75,-6.85 273.84,-84.99 305.26,-110.44
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                                    440.99,-119.83 477.72,-108.53 505.18,-91.69 
                                    527.11,-77.64 545.78,-53.52 552.16,-27.69
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                    </Path.Data>

                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommomLeft, Path=X}"
                                            Y="{Binding ElementName=ttPathCommomLeft, Path=Y}"/>
                    </Path.RenderTransform>

                </Path>

                <!--嫦娥一号路径第六部分-->
                <Path x:Name="pthCE1SimPart6"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
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                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommomLeft, Path=X}"
                                            Y="{Binding ElementName=ttPathCommomLeft, Path=Y}"/>
                    </Path.RenderTransform>
                </Path>

                <!--嫦娥一号路径第七部分-->
                <Path x:Name="pthCE1SimPart7"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
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                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommomLeft, Path=X}"
                                            Y="{Binding ElementName=ttPathCommomLeft, Path=Y}"/>
                    </Path.RenderTransform>
                </Path>

                <!--嫦娥一号路径第八部分-->
                <Path x:Name="pthCE1SimPart8"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
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                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommomLeft, Path=X}"
                                            Y="{Binding ElementName=ttPathCommomLeft, Path=Y}"/>
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                </Path>

                <!--嫦娥一号路径第九部分-->
                <Path x:Name="pthCE1SimPart9"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
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                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommomLeft, Path=X}"
                                            Y="{Binding ElementName=ttPathCommomLeft, Path=Y}"/>
                    </Path.RenderTransform>
                </Path>

                
                <!--嫦娥⑤号路径第一部分-->
                <Path
                    x:Name="pthCE5SimPart1"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2">

                    <Path.Data>
                        <PathGeometry>
                            <PathFigure 
                                x:Name="pfCE5SimPart1"
                                StartPoint="0.59,79.96">
                                <PolyLineSegment
                                    x:Name="plsCE5SimPart1"
                                    Points="36.16,79.67 62.18,78.07 87.13,72.77
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                                    200.75,-6.85 280,-80 312.09,-103.87 
                                    338.84,-116.57 371.46,-125.46 407.58,-129.3
                                    444.81,-125.22 481.32,-112.39 508.93,-95.47 
                                    528.25,-84.04 543.62,-62.35 551.89,-30.52 
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                        </PathGeometry>
                    </Path.Data>

                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommomLeft, Path=X}"
                                            Y="{Binding ElementName=ttPathCommomLeft, Path=Y}"/>
                    </Path.RenderTransform>

                </Path>
                
                <!--嫦娥五号路径第二部分-->
                <Path x:Name="pthCE5SimPart2"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
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                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommomLeft, Path=X}"
                                            Y="{Binding ElementName=ttPathCommomLeft, Path=Y}"/>
                    </Path.RenderTransform>
                </Path>

                <!--嫦娥五号路径第三部分-->
                <Path x:Name="pthCE5SimPart3"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
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                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommomLeft, Path=X}"
                                            Y="{Binding ElementName=ttPathCommomLeft, Path=Y}"/>
                    </Path.RenderTransform>
                </Path>

                <!--嫦娥五号路径第四部分-->
                <Path x:Name="pthCE5SimPart4"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
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                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommomLeft, Path=X}"
                                            Y="{Binding ElementName=ttPathCommomLeft, Path=Y}"/>
                    </Path.RenderTransform>
                </Path>
                
                <!--嫦娥五号路径第五部分-->
                <Path x:Name="pthCE5SimPart5"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
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                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommomLeft, Path=X}"
                                            Y="{Binding ElementName=ttPathCommomLeft, Path=Y}"/>
                    </Path.RenderTransform>
                </Path>

                <!--嫦娥五号路径第六部分-->
                <Path x:Name="pthCE5SimPart6"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2">

                    <Path.Data>
                        <EllipseGeometry Center="500,0"
                                         RadiusX="54.42"
                                         RadiusY="54.42"/>
                    </Path.Data>

                    <Path.RenderTransform>
                        <TranslateTransform X="{Binding ElementName=ttPathCommomLeft, Path=X}"
                                            Y="{Binding ElementName=ttPathCommomLeft, Path=Y}"/>
                    </Path.RenderTransform>
                </Path>

                <!--地球图形-->
                <Image
                    x:Name="imgEarth"
                    Source="/uires/earth.png"
                    Width="50"
                    Height="50" 
                    Canvas.Left="0"
                    Canvas.Top="0">

                    <Image.Triggers>
                        <EventTrigger
                            RoutedEvent="Drop">
                            <BeginStoryboard>
                                <Storyboard
                                    x:Name="sbEarthMove">
                                    <DoubleAnimation 
                                        x:Name="animEarthMoveHeight"
                                        To="0.0" 
                                        Duration="0:0:1"
                                        Storyboard.TargetName="imgEarth"
                                        Storyboard.TargetProperty="Height">

                                        <DoubleAnimation.EasingFunction>
                                            <CubicEase EasingMode="EaseOut"/>
                                        </DoubleAnimation.EasingFunction>
                                        
                                    </DoubleAnimation>

                                    <DoubleAnimation 
                                        x:Name="animEarthMoveWidth"
                                        To="0.0" 
                                        Duration="{Binding ElementName=animEarthMoveHeight, Path=Duration}"
                                        Storyboard.TargetName="imgEarth"
                                        Storyboard.TargetProperty="Width">

                                        <DoubleAnimation.EasingFunction>
                                            <CubicEase EasingMode="EaseOut"/>
                                        </DoubleAnimation.EasingFunction>

                                    </DoubleAnimation>

                                    <DoubleAnimation 
                                        x:Name="animEarthMoveLeft"
                                        To="0.0" 
                                        Duration="{Binding ElementName=animEarthMoveHeight, Path=Duration}"
                                        Storyboard.TargetName="imgEarth"
                                        Storyboard.TargetProperty="(Canvas.Left)">
                                       
                                        <DoubleAnimation.EasingFunction>
                                            <CubicEase EasingMode="EaseOut"/>
                                        </DoubleAnimation.EasingFunction>
                                        
                                    </DoubleAnimation>

                                    <DoubleAnimation 
                                        x:Name="animEarthMoveTop"
                                        To="0.0" 
                                        Duration="{Binding ElementName=animEarthMoveHeight, Path=Duration}"
                                        Storyboard.TargetName="imgEarth"
                                        Storyboard.TargetProperty="(Canvas.Top)">
                                        
                                        <DoubleAnimation.EasingFunction>
                                            <CubicEase EasingMode="EaseOut"/>
                                        </DoubleAnimation.EasingFunction>
                                        
                                    </DoubleAnimation>

                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger>
                        
                    </Image.Triggers>
                    
                </Image>

                <!--月球图形-->
                <Image
                    x:Name="imgMoon"
                    Opacity="0"
                    Source="/uires/moon.png"
                    Width="70"
                    Height="70" 
                    Canvas.Left="0"
                    Canvas.Top="0">

                    <Image.Triggers>
                        <EventTrigger RoutedEvent="Drop">
                            <BeginStoryboard>
                                <Storyboard x:Name="sbMoonShowHide"
                                            Storyboard.TargetName="imgMoon"
                                            Storyboard.TargetProperty="Opacity">
                                    <DoubleAnimation Name="animMoonShowHide"
                                                     Duration="0:0:1"
                                                     To="1.0"/>
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger>
                    </Image.Triggers>

                </Image>

                <!--卫星图形-->
                <Image
                    x:Name="imgSat"
                    Source="/uires/sat.png"
                    Width="50"
                    Height="50"
                    Visibility="Hidden"
                    Canvas.Left="0"
                    Canvas.Top="0">

                    <Image.RenderTransform>
                        <TranslateTransform x:Name="ttSat"
                                            X="-25"
                                            Y="-25">
                        </TranslateTransform>
                    </Image.RenderTransform>

                    <Image.Triggers>
                        <EventTrigger RoutedEvent="Drop">
                            <BeginStoryboard>
                                <Storyboard x:Name="sbSatMove" Completed="sbSatMove_Completed">
                                    <DoubleAnimationUsingPath Name="animSatMoveLeft"
                                            Storyboard.TargetName="imgSat"
                                            Storyboard.TargetProperty="(Canvas.Left)"
                                            Source="X"
                                            Duration="0:0:5"
                                            RepeatBehavior="Forever">

                                    </DoubleAnimationUsingPath>

                                    <DoubleAnimationUsingPath Name="animSatMoveTop"
                                            Storyboard.TargetName="imgSat"
                                            Storyboard.TargetProperty="(Canvas.Top)"
                                            Source="Y"
                                            Duration="0:0:5"
                                            RepeatBehavior="Forever">
                                    </DoubleAnimationUsingPath>
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger>
                    </Image.Triggers>
                    
                </Image>

                <!--圆和椭圆路径-->
                <Path
                    x:Name="pthEllipse"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
                    Canvas.Left="0"
                    Canvas.Top="0">

                    <Path.Data>
                        <EllipseGeometry x:Name="egEllipse"/>
                    </Path.Data>

                    <Path.Triggers>
                        <EventTrigger RoutedEvent="Drop">
                            <BeginStoryboard>
                                <Storyboard x:Name="sbEllipseShowHide"
                                            Storyboard.TargetName="pthArc"
                                            Storyboard.TargetProperty="Opacity" 
                                            Completed="sbEllipseShowHide_Completed">
                                    <DoubleAnimation Name="animEllipseShowHide"
                                                     To="1.0"
                                                     Duration="0:0:0.3"
                                                     FillBehavior="Stop"/>
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger>
                    </Path.Triggers>
                    
                </Path>

                <!--圆弧路径-->
                <Path
                    x:Name="pthArc"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
                    Canvas.Left="0"
                    Canvas.Top="0"
                    Data="">

                </Path>

                <!--多点线路径（模拟V<V1时的掉落曲线）-->
                <Path
                    x:Name="pthPolyLine"
                    Opacity="0"
                    Stroke="LightYellow"
                    StrokeThickness="5"
                    StrokeDashCap="Round"
                    StrokeDashArray="3 2"
                    Canvas.Left="0"
                    Canvas.Top="0">

                    <Path.Data>
                        <PathGeometry>
                            <PathFigure 
                                x:Name="pfPolyLine"
                                StartPoint="0,0">
                                <PolyLineSegment
                                    x:Name="plsPolyLine"
                                    Points="0,0"/>
                            </PathFigure>
                        </PathGeometry>
                    </Path.Data>

                </Path>

            </Canvas>

        </DockPanel>
            
        
        <!--右侧面板-->
        <DockPanel
            x:Name="dpPanel"
            DockPanel.Dock="Right">

            <!--上方包含速度标签和滑动条的面板-->
            <StackPanel
                x:Name="spControlDisplay"
                DockPanel.Dock="Top"
                Orientation="Vertical"
                Margin="0,10,0,10">

                <Label
                    Name="lblSpeed"
                    Content="7.9km/s"
                    FontSize="40"
                    Foreground="LawnGreen"
                    HorizontalContentAlignment="Center"
                    VerticalContentAlignment="Center"/>

                <Slider
                    x:Name="sldSpeed"
                    Margin="10,20,10,0" 
                    Maximum="20" 
                    Value="7.9"
                    ValueChanged="sldSpeed_ValueChanged"/>

            </StackPanel>


            <!--加减速按钮网格-->
            <Grid
                x:Name="grdSpeedControlButtons"
                DockPanel.Dock="Top"
                Height="50">

                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="1*"/>
                    <ColumnDefinition Width="1*"/>
                </Grid.ColumnDefinitions>

                <Button
                    x:Name="btnSpeedDown"
                    Grid.Column="0"
                    Margin="10"
                    Content="←" Click="btnSpeedDown_Click"
                    Style="{StaticResource AllButtonStyle}"/>

                <Button
                    x:Name="btnSpeedUp"
                    Grid.Column="1"
                    Margin="{Binding ElementName=btnSpeedDown, Path=Margin}"
                    Content="→" Click="btnSpeedUp_Click"
                    Style="{StaticResource AllButtonStyle}"/>

            </Grid>

            <!--三个宇宙速度选择网格-->
            <Grid
                x:Name="grdCosmicSpeedsButtons"
                DockPanel.Dock="Top"
                Height="50">

                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="1*"/>
                    <ColumnDefinition Width="1*"/>
                    <ColumnDefinition Width="1*"/>
                </Grid.ColumnDefinitions>

                <Button
                    x:Name="btnCosmicSpeed1"
                    Grid.Column="0"
                    Margin="10,10,10,5"
                    Content="一" Click="btnCosmicSpeed1_Click"
                    Style="{StaticResource AllButtonStyle}"/>

                <Button
                    x:Name="btnCosmicSpeed2"
                    Grid.Column="1"
                    Margin="{Binding ElementName=btnCosmicSpeed1, Path=Margin}"
                    Content="二" Click="btnCosmicSpeed2_Click"
                    Style="{StaticResource AllButtonStyle}"/>

                <Button
                    x:Name="btnCosmicSpeed3"
                    Grid.Column="2"
                    Margin="{Binding ElementName=btnCosmicSpeed1, Path=Margin}"
                    Content="三" Click="btnCosmicSpeed3_Click"
                    Style="{StaticResource AllButtonStyle}"/>

            </Grid>

            <!--包含下部内容的网格-->
            <Grid
                x:Name="grdButtons">

                <Grid.RowDefinitions>
                    <RowDefinition Height="1*"/>
                    <RowDefinition Height="3*"/>
                </Grid.RowDefinitions>

                <!--上方发射按钮-->

                <Button
                    Grid.Row="0"
                    x:Name="btnLaunch"
                    Content="发射"
                    FontSize="30"
                    Margin="10,10,10,10" 
                    Style="{StaticResource AllButtonStyle}"
                    Click="btnLaunch_Click"/>

                <!--下方按钮网格-->
                <Grid
                    x:Name="grdLButtons"
                    Grid.Row="1">

                    <Grid.RowDefinitions>
                        <RowDefinition Height="1*"/>
                        <RowDefinition Height="1*"/>
                        <RowDefinition Height="1*"/>
                        <RowDefinition Height="1*"/>
                        <RowDefinition Height="1*"/>
                        <RowDefinition Height="1*"/>
                    </Grid.RowDefinitions>

                    <Button
                        Grid.Row="0"
                        x:Name="btnOneTrackChange"
                        Content="一次变轨模型示意"
                        FontSize="{Binding ElementName=btnSyncSim, Path=FontSize}"
                        Margin="{Binding ElementName=btnSyncSim, Path=Margin}"
                        Click="btnOneTrackChange_Click"
                        Style="{StaticResource AllButtonStyle}"/>

                    <Button
                        Grid.Row="1"
                        x:Name="btnTwoTrackChange"
                        Content="两次变轨模型示意"
                        FontSize="{Binding ElementName=btnSyncSim, Path=FontSize}"
                        Margin="{Binding ElementName=btnSyncSim, Path=Margin}"
                        Click="btnTwoTrackChange_Click"
                        Style="{StaticResource AllButtonStyle}"/>
                    
                    <Button
                        Grid.Row="2"
                        x:Name="btnSyncSim"
                        Content="同步卫星发射示意"
                        FontSize="18"
                        Margin="10,5,10,5" Click="btnSyncSim_Click"
                        Style="{StaticResource AllButtonStyle}"/>

                    <Button
                        Grid.Row="3"
                        x:Name="btnCE1Sim"
                        Content="嫦娥一号发射示意"
                        FontSize="{Binding ElementName=btnSyncSim, Path=FontSize}"
                        Margin="{Binding ElementName=btnSyncSim, Path=Margin}" 
                        Click="btnCE1Sim_Click"
                        Style="{StaticResource AllButtonStyle}"/>

                    <Button
                        Grid.Row="4"
                        x:Name="btnCE5Sim"
                        Content="嫦娥五号发射示意"
                        FontSize="{Binding ElementName=btnSyncSim, Path=FontSize}"
                        Margin="{Binding ElementName=btnSyncSim, Path=Margin}" 
                        Click="btnCE5Sim_Click"
                        Style="{StaticResource AllButtonStyle}"/>

                    <Button
                        Grid.Row="5"
                        x:Name="btnAbout"
                        Content="关于"
                        FontSize="{Binding ElementName=btnSyncSim, Path=FontSize}"
                        Margin="{Binding ElementName=btnSyncSim, Path=Margin}" 
                        Style="{StaticResource AllButtonStyle}" Click="btnAbout_Click"/>

                </Grid>

            </Grid>

        </DockPanel>

    </DockPanel>
</Window>