* 增加几个通用函数

SunnyUI/Common/UDir.cs

@@ -32,6 +32,28 @@ namespace Sunny.UI
     /// </summary>
     public static class DirEx
     {
+        /// <summary>
+        /// 调用WINAPI删除文件夹
+        /// </summary>
+        /// <param name="directory">文件夹</param>
+        public static void Delete(this string directory)
+        {
+            if (Directory.Exists(directory))
+            {
+                var files = Directory.EnumerateFiles(directory, "*", SearchOption.AllDirectories);
+                foreach (string file in files)
+                {
+                    Win32.Kernel.DeleteFile(file);
+                }
+
+                var directories = Directory.EnumerateDirectories(directory, "*", SearchOption.AllDirectories);
+                foreach (string dir in directories)
+                {
+                    Directory.Delete(dir, true);
+                }
+            }
+        }
+
         /// <summary>
         /// 当前可执行文件路径，末尾包括文件夹分隔符(windows为\，linux为/)
         /// </summary>

SunnyUI/Common/UFile.cs

@@ -36,6 +36,32 @@ namespace Sunny.UI
     /// </summary>
     public static class FileEx
     {
+        /// <summary>
+        /// 调用WINAPIf复制文件
+        /// </summary>
+        /// <param name="sourceFileName"></param>
+        /// <param name="targetFileName"></param>
+        /// <param name="bFailIfExists"></param>
+        /// <returns></returns>
+        public static bool Copy(this string sourceFileName, string targetFileName, bool bFailIfExists = true)
+        {
+            if (File.Exists(sourceFileName))
+            {
+                return Win32.Kernel.CopyFile(sourceFileName, targetFileName, bFailIfExists);
+            }
+
+            return false;
+        }
+
+        /// <summary>
+        /// 调用WINAPI删除文件
+        /// </summary>
+        /// <param name="lpFileName">文件</param>
+        public static int DeleteFile(string lpFileName)
+        {
+            return Win32.Kernel.DeleteFile(lpFileName);
+        }
+
         /// <summary>
         /// 打开文件夹对话框
         /// </summary>

SunnyUI/Common/UOther.cs

@@ -1,4 +1,8 @@
-namespace Sunny.UI
+using Sunny.UI.Win32;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Sunny.UI
 {
     /// <summary>
     /// 其他
@@ -64,5 +68,21 @@
         {
             return d.IsNan() || d.IsInfinity();
         }
+
+        /// <summary>
+        /// 自然排序
+        /// </summary>
+        /// <param name="strs">字符串列表</param>
+        /// <returns>自然排序结果</returns>
+        /// var names = new [] { "2.log", "10.log", "1.log" };
+        /// 排序结果：
+        /// 1.log
+        /// 2.log
+        /// 10.log
+        public static IOrderedEnumerable<string> NatualOrdering(this IEnumerable<string> strs)
+        {
+            if (strs == null) return null;
+            return strs.OrderBy(s => s, new NatualOrderingComparer());
+        }
     }
 }

SunnyUI/Win32/Win32.Added.cs

@@ -1,6 +1,8 @@
 using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using System.Drawing;
+using System.Globalization;
 using System.Runtime.InteropServices;
 
 namespace Sunny.UI.Win32
@@ -161,6 +163,10 @@ namespace Sunny.UI.Win32
 
     public partial class Kernel
     {
+        [DllImport("kernel32.dll", CharSet = CharSet.Unicode)]
+        public static extern Int32 CompareStringEx(string localeName, int flags, string str1, int count1, string str2,
+                int count2, IntPtr versionInformation, IntPtr reserved, int param);
+
         [DllImport("kernel32.dll")]
         public static extern IntPtr OpenThread(int dwDesiredAccess, bool bInheritHandle, IntPtr dwThreadId);
 
@@ -177,6 +183,49 @@ namespace Sunny.UI.Win32
         //从指定内存中读取字节集数据
         [DllImport("kernel32.dll", EntryPoint = "ReadProcessMemory")]
         public static extern bool ReadProcessMemory(IntPtr hProcess, IntPtr lpBaseAddress, IntPtr lpBuffer, int nSize, IntPtr lpNumberOfBytesRead);
+
+        [DllImport("kernel32.dll", SetLastError = true)]
+        [return: MarshalAs(UnmanagedType.Bool)]
+        public static extern bool CopyFile(string lpExistingFileName, string lpNewFileName, bool bFailIfExists);
+    }
+
+    internal class NatualOrderingComparer : IComparer<string>
+    {
+        static readonly Int32 NORM_IGNORECASE = 0x00000001;
+        static readonly Int32 NORM_IGNORENONSPACE = 0x00000002;
+        static readonly Int32 NORM_IGNORESYMBOLS = 0x00000004;
+        static readonly Int32 LINGUISTIC_IGNORECASE = 0x00000010;
+        static readonly Int32 LINGUISTIC_IGNOREDIACRITIC = 0x00000020;
+        static readonly Int32 NORM_IGNOREKANATYPE = 0x00010000;
+        static readonly Int32 NORM_IGNOREWIDTH = 0x00020000;
+        static readonly Int32 NORM_LINGUISTIC_CASING = 0x08000000;
+        static readonly Int32 SORT_STRINGSORT = 0x00001000;
+        static readonly Int32 SORT_DIGITSASNUMBERS = 0x00000008;
+
+        static readonly String LOCALE_NAME_USER_DEFAULT = null;
+        static readonly String LOCALE_NAME_INVARIANT = String.Empty;
+        static readonly String LOCALE_NAME_SYSTEM_DEFAULT = "!sys-default-locale";
+
+        readonly String locale;
+
+        public NatualOrderingComparer() : this(CultureInfo.CurrentCulture)
+        {
+        }
+
+        public NatualOrderingComparer(CultureInfo cultureInfo)
+        {
+            if (cultureInfo.IsNeutralCulture)
+                this.locale = LOCALE_NAME_INVARIANT;
+            else
+                this.locale = cultureInfo.Name;
+        }
+
+        public Int32 Compare(String x, String y)
+        {
+            // CompareStringEx return 1, 2, or 3. Subtract 2 to get the return value.
+            return Kernel.CompareStringEx(this.locale, SORT_DIGITSASNUMBERS, // Add other flags if required.
+              x, x.Length, y, y.Length, IntPtr.Zero, IntPtr.Zero, 0) - 2;
+        }
     }
 
     public partial class WinMM