From a932af940fcbe18b4ec8f503dd2c8d6d31bc36d0 Mon Sep 17 00:00:00 2001
From: Sunny <yhuse@163.com>
Date: Sun, 12 Feb 2023 13:48:30 +0800
Subject: [PATCH] =?UTF-8?q?*=20FastLZ:=20=E4=BF=AE=E6=94=B9=E5=8A=A0?=
 =?UTF-8?q?=E8=BD=BD=E5=BA=93?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 SunnyUI/Common/UFastLZ.cs     | 13 ++++++++++++-
 SunnyUI/Win32/Win32.Kernel.cs | 12 +++++++++++-
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/SunnyUI/Common/UFastLZ.cs b/SunnyUI/Common/UFastLZ.cs
index fb676a3a..12c4e309 100644
--- a/SunnyUI/Common/UFastLZ.cs
+++ b/SunnyUI/Common/UFastLZ.cs
@@ -129,6 +129,7 @@ namespace Sunny.UI
         /// <returns>压缩结果</returns>
         public static byte[] Compress(byte[] input, int begin, int length)
         {
+            CheckFastLZDll();
             byte[] output = new byte[Math.Max(length * 2, 66)];
             fixed (void* pSrc1 = &input[begin])
             fixed (void* pSrc2 = output)
@@ -150,6 +151,7 @@ namespace Sunny.UI
         /// <returns>压缩结果</returns>
         public static byte[] Compress(FastLZCompressionLevel level, byte[] input, int begin, int length)
         {
+            CheckFastLZDll();
             byte[] output = new byte[Math.Max(length * 2, 66)];
             fixed (void* pSrc1 = &input[begin])
             fixed (void* pSrc2 = output)
@@ -171,6 +173,7 @@ namespace Sunny.UI
         /// <returns>解压缩结果</returns>
         public static byte[] Decompress(byte[] input, int begin, int length, int maxout)
         {
+            CheckFastLZDll();
             byte[] output = new byte[maxout + 66];
             fixed (byte* pSrc1 = &input[begin])
             fixed (byte* pSrc2 = output)
@@ -198,6 +201,7 @@ namespace Sunny.UI
         /// <returns>压缩结果</returns>
         public static byte[] CompressEx(byte[] input, int begin, int length, DateTime dateTime, int index)
         {
+            CheckFastLZDll();
             byte[] result = CompressEx(input, begin, length);
             if (result.Length > 0)
             {
@@ -221,6 +225,7 @@ namespace Sunny.UI
         /// <returns>压缩结果</returns>
         public static byte[] CompressEx(byte[] input, int begin, int length)
         {
+            CheckFastLZDll();
             byte[] result = new byte[0];
             if (begin + length > input.Length) return result;
             byte[] output = new byte[Math.Max(length * 2, 66)];
@@ -257,6 +262,7 @@ namespace Sunny.UI
         /// <returns>解压缩结果</returns>
         public static byte[] DecompressEx(byte[] input, int begin, int length)
         {
+            CheckFastLZDll();
             byte[] result = new byte[0];
             if (input.Length <= 2 + ExHeadAllLength + ExTailAllLength) return result;
             if (begin + length > input.Length) return result;
@@ -287,6 +293,7 @@ namespace Sunny.UI
         /// <returns>解压缩结果</returns>
         public static byte[] DecompressEx(byte[] input, int begin, int length, out DateTime datetime, out int index)
         {
+            CheckFastLZDll();
             byte[] result = DecompressEx(input, begin, length);
 
             datetime = Jan1st1970;
@@ -300,8 +307,11 @@ namespace Sunny.UI
             return result;
         }
 
+        private static bool FileExist = false;
+
         public static bool CheckFastLZDll()
         {
+            if (FileExist) return true;
             if (File.Exists(DirEx.CurrentDir() + "FastLZx86.dll") && File.Exists(DirEx.CurrentDir() + "FastLZx64.dll")) return true;
 
             try
@@ -314,7 +324,8 @@ namespace Sunny.UI
                 return false;
             }
 
-            return File.Exists(DirEx.CurrentDir() + "FastLZx86.dll") && File.Exists(DirEx.CurrentDir() + "FastLZx64.dll");
+            FileExist = File.Exists(DirEx.CurrentDir() + "FastLZx86.dll") && File.Exists(DirEx.CurrentDir() + "FastLZx64.dll");
+            return FileExist;
         }
 
         /// <summary>
diff --git a/SunnyUI/Win32/Win32.Kernel.cs b/SunnyUI/Win32/Win32.Kernel.cs
index d4f8c3b6..1013b02c 100644
--- a/SunnyUI/Win32/Win32.Kernel.cs
+++ b/SunnyUI/Win32/Win32.Kernel.cs
@@ -1521,7 +1521,17 @@ namespace Sunny.UI.Win32
         public const int DOMAIN_GROUP_RID_USERS = 0x201;
         public const int DOMAIN_USER_RID_ADMIN = 0x1F4;
         public const int DOMAIN_USER_RID_GUEST = 0x1F5;
-        public const int DONT_RESOLVE_DLL_REFERENCES = 0x1;
+        public const int DONT_RESOLVE_DLL_REFERENCES = 0x00000001;
+        public const int LOAD_IGNORE_CODE_AUTHZ_LEVEL = 0x00000010;
+        public const int LOAD_LIBRARY_AS_DATAFILE = 0x00000002;
+        public const int LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE = 0x00000040;
+        public const int LOAD_LIBRARY_AS_IMAGE_RESOURCE = 0x00000020;
+        public const int LOAD_LIBRARY_SEARCH_APPLICATION_DIR = 0x00000200;
+        public const int LOAD_LIBRARY_SEARCH_DEFAULT_DIRS = 0x00001000;
+        public const int LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR = 0x00000100;
+        public const int LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x00000800;
+        public const int LOAD_LIBRARY_SEARCH_USER_DIRS = 0x00000400;
+        public const int LOAD_WITH_ALTERED_SEARCH_PATH = 0x00000008;
         public const int DOUBLE_CLICK = 0x2;
         public const int DRIVE_CDROM = 5;
         public const int DRIVE_FIXED = 3;