//xaml
<Window x:Class="WpfApp378.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:WpfApp378"
mc:Ignorable="d" WindowState="Maximized"
Title="MainWindow" Height="450" Width="800">
<Grid ShowGridLines="True">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="500"/>
<ColumnDefinition/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
</Grid.RowDefinitions>
<Expander Header="Gramma Left" ExpandDirection="Left" Grid.Column="0" Grid.Row="0">
<StackPanel>
<CheckBox>Check gramma as you type.</CheckBox>
<CheckBox>Hide grammatical errors in this document.</CheckBox>
<CheckBox>Check gramma with spelling.</CheckBox>
</StackPanel>
</Expander>
<Expander Header="Gramma Right" ExpandDirection="Right" Grid.Column="0" Grid.Row="1">
<StackPanel>
<CheckBox>Check gramma as you type.</CheckBox>
<CheckBox>Hide grammatical errors in this document.</CheckBox>
<CheckBox>Check gramma with spelling.</CheckBox>
</StackPanel>
</Expander>
<Expander Header="Gramma Down" ExpandDirection="Down" Grid.Column="0" Grid.Row="2">
<StackPanel>
<CheckBox>Check gramma as you type.</CheckBox>
<CheckBox>Hide grammatical errors in this document.</CheckBox>
<CheckBox>Check gramma with spelling.</CheckBox>
</StackPanel>
</Expander>
<Expander Header="Gramma Up" ExpandDirection="Up" Grid.Column="0" Grid.Row="3">
<StackPanel>
<CheckBox>Check gramma as you type.</CheckBox>
<CheckBox>Hide grammatical errors in this document.</CheckBox>
<CheckBox>Check gramma with spelling.</CheckBox>
</StackPanel>
</Expander>
</Grid>
</Window>
标签：Right,Up,gramma,Down,grammatical,errors,spelling,type,Check From： https://www.cnblogs.com/Fred1987/p/18419214