envhelper.cs

破解的飞信源代码

namespace Imps.Client.Utils
{
    using Imps.Utils;
    using Microsoft.Win32;
    using System;
    using System.IO;

    public static class EnvHelper
    {
        private static bool _dynamicGifCtl;
        private const string ClsId_DynamicGifCtl = "2CCFBF0B-B27F-4146-9310-43E130954BC8";
        private const string FileName_DynamicGifCtl = "DynamicGifCtl.dll";

        public static bool CheckAndRegDynamicGifCtl()
        {
            string filepath = Path.Combine(FilePathHelper.AppBaseDir, "DynamicGifCtl.dll");
            if (!IsOleRegisteredByClsId("2CCFBF0B-B27F-4146-9310-43E130954BC8", filepath))
            {
                return RegisterOle(filepath);
            }
            return true;
        }

        public static bool CheckEnvironment()
        {
            OperatingSystem oSVersion = Environment.OSVersion;
            if (oSVersion.Platform != PlatformID.Win32NT)
            {
                return false;
            }
            if (oSVersion.Version.Major < 5)
            {
                return false;
            }
            return true;
        }

        public static string GetOsString()
        {
            string text;
            OperatingSystem oSVersion = Environment.OSVersion;
            switch (oSVersion.Platform)
            {
                case PlatformID.WinCE:
                    text = "M";
                    break;

                case ((PlatformID) 4):
                    text = "U";
                    break;

                default:
                    text = "W";
                    break;
            }
            return string.Format("{0}{1}.{2}", text, oSVersion.Version.Major, oSVersion.Version.Minor);
        }

        public static bool IsOleRegisteredByClsId(string clsId, string filepath)
        {
            string name = @"CLSID\{" + clsId + @"}\InprocServer32";
            RegistryKey key = Registry.ClassesRoot.OpenSubKey(name);
            if (key == null)
            {
                return false;
            }
            string text2 = key.GetValue(null) as string;
            if (string.IsNullOrEmpty(filepath))
            {
                return !string.IsNullOrEmpty(text2);
            }
            return string.Equals(filepath, text2, 1);
        }

        public static bool RegisterOle(string filepath)
        {
            return (0 == regsvr32.do_command(filepath, "/s"));
        }

        public static void StressMemory()
        {
        }

        public static bool DynamicGifCtlRegistered
        {
            get
            {
                if (!_dynamicGifCtl)
                {
                    _dynamicGifCtl = CheckAndRegDynamicGifCtl();
                }
                return _dynamicGifCtl;
            }
        }
    }
}