C# 读取快捷方式指向的文件

[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
}