<Window x:Class="Grid.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:Grid"
        mc:Ignorable="d"
        Title="MainWindow" Height="250" Width="300">

    <Grid Grid.IsSharedSizeScope="True">
        <Grid.RowDefinitions>
            <RowDefinition Height="30"/>
            <RowDefinition/>
        </Grid.RowDefinitions>

        <!--列头-->
        <Grid Grid.Row="0">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="50" SharedSizeGroup="A" />
                <ColumnDefinition Width="100" SharedSizeGroup="B"/>
                <ColumnDefinition/>
            </Grid.ColumnDefinitions>
            <Border Background="Orange"/>
            <Border Background="Green" Grid.Column="1" Margin="3,7,10,15"/>
            <!--左上右下-->
            <GridSplitter HorizontalAlignment="Right" Height="10" Width="5" Background="Gray"/>
            <GridSplitter HorizontalAlignment="Right" Height="10" Width="5" Background="Gray" Grid.Column="1"/>
        </Grid>

        <!--数据表-->
        <Grid Grid.Row="1" Height="60" VerticalAlignment="Top" Margin="0,10,0,0">
            <Grid.ColumnDefinitions>
                <ColumnDefinition SharedSizeGroup="A"/>
                <ColumnDefinition  SharedSizeGroup="B"/>
                <ColumnDefinition/>
            </Grid.ColumnDefinitions>
            <Border Background="Orange">
            </Border>
            <Border Grid.Column="1" BorderBrush="Red" BorderThickness="1">
                <TextBlock/>
            </Border>
        </Grid>
    </Grid>
</Window>

<WindowChrome.WindowChrome>
   <WindowChrome CaptionHeight="50" UseAeroCaptionButtons="False"/>
</WindowChrome.WindowChrome>

<Window.Clip>
    <PathGeometry Figures="M0,0 200,0A75 75 0 0 1 200 150L0,150z"/>
</Window.Clip>

private void Border_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
    this.DragMove();
}