# BookerLiu
diff a/MainWindow.xaml b/MainWindow.xaml (rejected hunks)
@@ -20,6 +20,7 @@
SizeChanged="Window_SizeChanged"
KeyDown="OnKeyDown"
Focusable="True"
+ GotFocus="MainWindow_GotFocus"
MouseDown="MainWindow_MouseDown"
>
<WindowChrome.WindowChrome>