improve:截图及浮动栏及代码优化

Ink Canvas/MainWindow_cs/MW_SettingsToLoad.cs

@@ -1,8 +1,4 @@
-using Hardcodet.Wpf.TaskbarNotification;
-using Ink_Canvas.Helpers;
-using Newtonsoft.Json;
-using OSVersionExtension;
-using System;
+using System;
 using System.Reflection;
 using System.Windows;
 using System.Windows.Controls;
@@ -10,6 +6,10 @@ using System.Windows.Ink;
 using System.Windows.Interop;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
+using Hardcodet.Wpf.TaskbarNotification;
+using Ink_Canvas.Helpers;
+using Newtonsoft.Json;
+using OSVersionExtension;
 using File = System.IO.File;
 using OperatingSystem = OSVersionExtension.OperatingSystem;