初版Step运行代码；

chr

2024-03-12 25dd2203bb3b995d73c43733b3aaa049ec28b4a9

 Controls/InnerWindow.xaml

@@ -4,10 +4,10 @@
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:WPFProject.Controls"
             
             mc:Ignorable="d" 
             HorizontalAlignment="Stretch"
             HorizontalContentAlignment="Stretch"
             SizeChanged="UserControl_SizeChanged"
             MouseLeftButtonDown="Grid_MouseLeftButtonDown"
             Background="#FFF"
             Focusable="True">