C# 读取快捷方式指向的文件

Posted 2020-07-26 极简

        [Flags()]
        public enum SLR_FLAGS
        {
            SLR_NO_UI = 0x1,
            SLR_ANY_MATCH = 0x2,
            SLR_UPDATE = 0x4,
            SLR_NOUPDATE = 0x8,
            SLR_NOSEARCH = 0x10,
            SLR_NOTRACK = 0x20,
            SLR_NOLINKINFO = 0x40,
            SLR_INVOKE_MSI = 0x80
        }

        [Flags()]
        public enum SLGP_FLAGS
        {
            SLGP_SHORTPATH = 0x1,
            SLGP_UNCPRIORITY = 0x2,
            SLGP_RAWPATH = 0x4
        }

        [StructLayoutAttribute(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
        // Unicode version
        public struct WIN32_FIND_DATA
        {
            public int dwFileAttributes;
            public FILETIME ftCreationTime;
            public FILETIME ftLastAccessTime;
            public FILETIME ftLastWriteTime;
            public int nFileSizeHigh;
            public int nFileSizeLow;
            public int dwReserved0;
            public int dwReserved1;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAX_PATH)]
            public string cFileName;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 14)]
            public string cAlternateFileName;
            private const int MAX_PATH = 260;
        }
        [ComImport(),InterfaceType(ComInterfaceType.InterfaceIsIUnknown),Guid("000214F9-0000-0000-C000-000000000046")]

        // Unicode version
        public interface IShellLink
        {
            void GetPath([Out(), MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszFile,int cchMaxPath,out WIN32_FIND_DATA pfd,SLGP_FLAGS fFlags);
            void GetIDList(out IntPtr ppidl);
            void SetIDList(IntPtr pidl);
            void GetDescription([Out(), MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszName,int cchMaxName);
            void SetDescription([MarshalAs(UnmanagedType.LPWStr)] string pszName);
            void GetWorkingDirectory([Out(), MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszDir,int cchMaxPath);
            void SetWorkingDirectory([MarshalAs(UnmanagedType.LPWStr)] string pszDir);
            void GetArguments([Out(), MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszArgs,int cchMaxPath);
            void SetArguments([MarshalAs(UnmanagedType.LPWStr)] string pszArgs);
            void GetHotkey(out short pwHotkey);
            void SetHotkey(short wHotkey);
            void GetShowCmd(out int piShowCmd);
            void SetShowCmd(int iShowCmd);
            void GetIconLocation([Out(), MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszIconPath,int cchIconPath,out int piIcon);
            void SetIconLocation([MarshalAs(UnmanagedType.LPWStr)] string pszIconPath,int iIcon);
            void SetRelativePath([MarshalAs(UnmanagedType.LPWStr)] string pszPathRel,int dwReserved);
            void Resolve(IntPtr hwnd,SLR_FLAGS fFlags);
            void SetPath([MarshalAs(UnmanagedType.LPWStr)] string pszFile);
        }

        [ComImport(),Guid("00021401-0000-0000-C000-000000000046")]
        public class ShellLink
        {

        }

        private void Form1_Load(object sender, EventArgs e)
        {
            IShellLink vShellLink = (IShellLink)new ShellLink();
            UCOMIPersistFile vPersistFile = vShellLink as UCOMIPersistFile;
            vPersistFile.Load(@"C:\Users\guwei4037\Desktop\Adobe Flash Builder 4.6.lnk", 0);
            StringBuilder vStringBuilder = new StringBuilder(260);
            WIN32_FIND_DATA vWIN32_FIND_DATA;
            vShellLink.GetPath(vStringBuilder, vStringBuilder.Capacity, out vWIN32_FIND_DATA, SLGP_FLAGS.SLGP_RAWPATH);
            Text = vStringBuilder.ToString();
            MessageBox.Show(Text);//result
        }