XAML:
<Window x:Class="WpfApp3.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:WpfApp3"
xmlns:sys="clr-namespace:System;assembly=mscorlib"
mc:Ignorable="d" WindowStartupLocation="CenterScreen"
Title="MainWindow" Height="250" Width="350">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="80"/>
<ColumnDefinition Width="auto"/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<GridSplitter Grid.Column="1" VerticalAlignment="Stretch" Width="2" Background="Gray" ShowsPreview="True"/>
</Grid>
</Window>
執行後:
滑鼠拖拽這個分隔欄,會調整左右兩邊的空間。