@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: The SHGetFolderPath API !!!!C# Signature: [DllImport("shell32.dll")] static extern int SHGetFolderPath(IntPtr hwndOwner, int nFolder, IntPtr hToken, uint dwFlags, [Out] StringBuilder pszPath); !!!!VB.Net Signature: <DllImport("shell32.dll")> _ Private Shared Function SHGetFolderPath(ByVal hwndOwner As IntPtr, ByVal nFolder As Int32, ByVal hToken As IntPtr, ByVal dwFlags As Int32, ByVal pszPath As StringBuilder) As Int32 End Function !!!!C# struct for nFolder: public enum SpecialFolderType { // Version 5.0. The file system directory that is used // to store administrative tools for an individual user. // The Microsoft Management Console (MMC) will save customized // consoles to this directory, and it will roam with the user. AdministrativeTools = 0x0030, // Version 5.0. The file system directory containing // administrative tools for all users of the computer. CommonAdministrativeTools = 0x002f, // Version 4.71. The file system directory that serves as // a common repository for application-specific data. // A typical path is C:\Documents and Settings\username\Application Data. // This CSIDL is supported by the redistributable Shfolder.dll // for systems that do not have the Microsoft Internet Explorer 4.0 // integrated Shell installed ApplicationData = 0x001a, // Version 5.0. The file system directory containing // application data for all users. A typical path is // C:\Documents and Settings\All Users\Application Data. CommonAppData = 0x0023, // The file system directory that contains documents // that are common to all users. A typical paths is // C:\Documents and Settings\All Users\Documents. // Valid for Windows NT systems and Microsoft Windows 95 and // Windows 98 systems with Shfolder.dll installed. CommonDocuments = 0x002e, // The file system directory that serves as a common repository // for Internet cookies. A typical path is // C:\Documents and Settings\username\Cookies. Cookies = 0x0021, // Version 5.0. Combine this CSIDL with any of the following CSIDLs // to force the creation of the associated folder. CreateFlag = 0x8000, // The file system directory that serves as a common repository // for Internet history items. History = 0x0022, // Version 4.72. The file system directory that serves as // a common repository for temporary Internet files. A typical // path is C:\Documents and Settings\username\Local Settings\Temporary Internet Files. InternetCache = 0x0020, // Version 5.0. The file system directory that serves as a data // repository for local (nonroaming) applications. A typical path // is C:\Documents and Settings\username\Local Settings\Application Data. LocalApplicationData = 0x001c, // Version 5.0. The file system directory that serves as // a common repository for image files. A typical path is // C:\Documents and Settings\username\My Documents\My Pictures. MyPictures = 0x0027, // Version 6.0. The virtual folder representing the My Documents // desktop item. This is equivalent to CSIDL_MYDOCUMENTS. // Previous to Version 6.0. The file system directory used to // physically store a user's common repository of documents. // A typical path is C:\Documents and Settings\username\My Documents. // This should be distinguished from the virtual My Documents folder // in the namespace. To access that virtual folder, // use SHGetFolderLocation, which returns the ITEMIDLIST for the // virtual location, or refer to the technique described in // Managing the File System. Personal = 0x0005, // Version 5.0. The Program Files folder. A typical // path is C:\Program Files. ProgramFiles = 0x0026, // Version 5.0. A folder for components that are shared across // applications. A typical path is C:\Program Files\Common. // Valid only for Windows NT, Windows 2000, and Windows XP systems. // Not valid for Windows Millennium Edition (Windows Me). CommonProgramFiles = 0x002b, // Version 5.0. The Windows System folder. A typical // path is C:\Windows\System32. System = 0x0025, // Version 5.0. The Windows directory or SYSROOT. // This corresponds to the %windir% or %SYSTEMROOT% environment // variables. A typical path is C:\Windows. Windows = 0x0024, // Fonts directory. A typical path is c:\Windows\Fonts. Fonts = 0x0014 } !!!!Another C# Struct for nFolder: public enum SpecialFolderCSIDL : int { CSIDL_DESKTOP = 0x0000, // <desktop> CSIDL_INTERNET = 0x0001, // Internet Explorer (icon on desktop) CSIDL_PROGRAMS = 0x0002, // Start Menu\Programs CSIDL_CONTROLS = 0x0003, // My Computer\Control Panel CSIDL_PRINTERS = 0x0004, // My Computer\Printers CSIDL_PERSONAL = 0x0005, // My Documents CSIDL_FAVORITES = 0x0006, // <user name>\Favorites CSIDL_STARTUP = 0x0007, // Start Menu\Programs\Startup CSIDL_RECENT = 0x0008, // <user name>\Recent CSIDL_SENDTO = 0x0009, // <user name>\SendTo CSIDL_BITBUCKET = 0x000a, // <desktop>\Recycle Bin CSIDL_STARTMENU = 0x000b, // <user name>\Start Menu CSIDL_DESKTOPDIRECTORY = 0x0010, // <user name>\Desktop CSIDL_DRIVES = 0x0011, // My Computer CSIDL_NETWORK = 0x0012, // Network Neighborhood CSIDL_NETHOOD = 0x0013, // <user name>\nethood CSIDL_FONTS = 0x0014, // windows\fonts CSIDL_TEMPLATES = 0x0015, CSIDL_COMMON_STARTMENU = 0x0016, // All Users\Start Menu CSIDL_COMMON_PROGRAMS = 0x0017, // All Users\Programs CSIDL_COMMON_STARTUP = 0x0018, // All Users\Startup CSIDL_COMMON_DESKTOPDIRECTORY = 0x0019, // All Users\Desktop CSIDL_APPDATA = 0x001a, // <user name>\Application Data CSIDL_PRINTHOOD = 0x001b, // <user name>\PrintHood CSIDL_LOCAL_APPDATA = 0x001c, // <user name>\Local Settings\Applicaiton Data (non roaming) CSIDL_ALTSTARTUP = 0x001d, // non localized startup CSIDL_COMMON_ALTSTARTUP = 0x001e, // non localized common startup CSIDL_COMMON_FAVORITES = 0x001f, CSIDL_INTERNET_CACHE = 0x0020, CSIDL_COOKIES = 0x0021, CSIDL_HISTORY = 0x0022, CSIDL_COMMON_APPDATA = 0x0023, // All Users\Application Data CSIDL_WINDOWS = 0x0024, // GetWindowsDirectory() CSIDL_SYSTEM = 0x0025, // GetSystemDirectory() CSIDL_PROGRAM_FILES = 0x0026, // C:\Program Files CSIDL_MYPICTURES = 0x0027, // C:\Program Files\My Pictures CSIDL_PROFILE = 0x0028, // USERPROFILE CSIDL_SYSTEMX86 = 0x0029, // x86 system directory on RISC CSIDL_PROGRAM_FILESX86 = 0x002a, // x86 C:\Program Files on RISC CSIDL_PROGRAM_FILES_COMMON = 0x002b, // C:\Program Files\Common CSIDL_PROGRAM_FILES_COMMONX86 = 0x002c, // x86 Program Files\Common on RISC CSIDL_COMMON_TEMPLATES = 0x002d, // All Users\Templates CSIDL_COMMON_DOCUMENTS = 0x002e, // All Users\Documents CSIDL_COMMON_ADMINTOOLS = 0x002f, // All Users\Start Menu\Programs\Administrative Tools CSIDL_ADMINTOOLS = 0x0030, // <user name>\Start Menu\Programs\Administrative Tools CSIDL_CONNECTIONS = 0x0031, // Network and Dial-up Connections CSIDL_CDBURN_AREA = 0x003B, // Data for burning with interface ICDBurn }; !!!!User-Defined Types: Private Const CSIDL_WINDOWS As Integer = &H24 !!!!Sample Code: Dim winPath As New StringBuilder(300) If SHGetFolderPath(Nothing, CSIDL_WINDOWS, Nothing, 0, winPath) <> 0 Then Throw New ApplicationException("Can't get window's directory") End If Console.WriteLine(winPath.ToString) !!!!Sample Code C#: const int MaxPath = 260; StringBuilder SB = new StringBuilder(MaxPath); SHGetFolderPath(IntPtr.Zero,0x0019,IntPtr.Zero,0x0000,SB); DesktopPath = SB.ToString(); !!!! Sample Code C#: /// <summary> /// Gets the system fonts directory path. /// </summary> /// <returns>The fonts directory path</returns> private static String GetFontsDirectory() { const int MaxPath = 260; StringBuilder sb = new StringBuilder(MaxPath); int fontFolder = 0x0014; SHGetFolderPath(IntPtr.Zero, fontFolder, IntPtr.Zero, 0x0000, sb); return sb.ToString(); } !!!!Sample Code C#: /// <summary> /// Get the path to a special folder /// </summary> /// <param name="folder">The special folder's CSIDL enumeration</param> /// <returns>The full path of the special folder</returns> public static string GetSpecialFolder(SpecialFolderCSIDL folder) { const int MaxPath = 260; StringBuilder builder = new StringBuilder(MaxPath); SHGetFolderPath(IntPtr.Zero, (int)folder, IntPtr.Zero, 0x0000, builder); return builder.ToString(); } !!!!Alternative Managed API: Environment.GetFolderPath(Environment.SpecialFolder enumFolder) Documentation: SHGetFolderPath@msdn on MSDN
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