分隔窗口
<pre><code class="language-csharp">&lt;Grid&gt;
&lt;Grid.ColumnDefinitions&gt;
&lt;ColumnDefinition&gt;&lt;/ColumnDefinition&gt;
&lt;ColumnDefinition Width=&quot;auto&quot;&gt;&lt;/ColumnDefinition&gt;
&lt;ColumnDefinition&gt;&lt;/ColumnDefinition&gt;
&lt;/Grid.ColumnDefinitions&gt;
&lt;Border Grid.Column=&quot;0&quot; Background=&quot;Red&quot;&gt;
&lt;TextBlock Background=&quot;Beige&quot; FontSize=&quot;60&quot; HorizontalAlignment=&quot;Center&quot; VerticalAlignment=&quot;Center&quot;&gt;123456&lt;/TextBlock&gt;
&lt;/Border&gt;
&lt;GridSplitter Grid.Column=&quot;1&quot; Width=&quot;5&quot; HorizontalAlignment=&quot;Center&quot; ShowsPreview=&quot;True&quot;&gt;&lt;/GridSplitter&gt;
&lt;Border Grid.Column=&quot;2&quot; Background=&quot;Blue&quot;&gt;
&lt;TextBlock Background=&quot;Beige&quot; FontSize=&quot;60&quot; HorizontalAlignment=&quot;Center&quot; VerticalAlignment=&quot;Center&quot;&gt;789456&lt;/TextBlock&gt;
&lt;/Border&gt;
&lt;/Grid&gt;</code></pre>