public class SpecialFolderIconSample
{
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
private struct SHFILEINFO
{
public IntPtr hIcon;
public int iIcon;
public uint dwAttributes;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
public string szDisplayName;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 80)]
public string szTypeName;
};
[DllImport("shell32.dll", CharSet = CharSet.Auto)]
private static extern IntPtr SHGetFileInfo(IntPtr pszPath, uint dwFileAttributes, out SHFILEINFO psfi, uint cbFileInfo, int uFlags);
[DllImport("user32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool DestroyIcon(IntPtr hIcon);
[DllImport("shell32.dll", SetLastError = true)]
private static extern int SHGetSpecialFolderLocation(IntPtr hwndOwner, CSIDL nFolder, ref IntPtr ppidl);
[DllImport("shell32.dll", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool SHGetPathFromIDListW(IntPtr pidl, [MarshalAs(UnmanagedType.LPTStr)] StringBuilder pszPath);
private enum CSIDL
{
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_MYDOCUMENTS = 0x000c, // logical "My Documents" desktop icon
CSIDL_MYMUSIC = 0x000d, // "My Music" folder
CSIDL_MYVIDEO = 0x000e, // "My Videos" folder
CSIDL_DESKTOPDIRECTORY = 0x0010, // <user name>\Desktop
CSIDL_DRIVES = 0x0011, // My Computer
CSIDL_NETWORK = 0x0012, // Network Neighborhood (My Network Places)
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\Start Menu\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_COMMON_MUSIC = 0x0035, // All Users\My Music
CSIDL_COMMON_PICTURES = 0x0036, // All Users\My Pictures
CSIDL_COMMON_VIDEO = 0x0037, // All Users\My Video
CSIDL_CDBURN_AREA = 0x003b // USERPROFILE\Local Settings\Application Data\Microsoft\CD Burning
}
private BitmapImage GetFolderIcon(CSIDL csidl)
{
var shfi = new SHFILEINFO();
IntPtr ptrDir = IntPtr.Zero;
SHGetSpecialFolderLocation(IntPtr.Zero, csidl, ref ptrDir);
var res = SHGetFileInfo(ptrDir, 0, out shfi, (uint)Marshal.SizeOf(shfi), 0x000000100 | 0x000000008);
Marshal.FreeCoTaskMem(ptrDir);
var icon = (Icon)System.Drawing.Icon.FromHandle(shfi.hIcon).Clone();
DestroyIcon(shfi.hIcon);
Bitmap bmp = icon.ToBitmap();
using (MemoryStream strm = new MemoryStream())
{
bmp.Save(strm, System.Drawing.Imaging.ImageFormat.Png);
BitmapImage bmpImage = new BitmapImage();
bmpImage.BeginInit();
bmpImage.CacheOption = BitmapCacheOption.OnLoad;
strm.Seek(0, SeekOrigin.Begin);
bmpImage.StreamSource = strm;
bmpImage.EndInit();
bmpImage.Freeze();
return bmpImage;
}
}
private string GetFolderPath(CSIDL csidl)
{
IntPtr ptrDir = IntPtr.Zero;
try
{
const int MAX_PATH = 260;
SHGetSpecialFolderLocation(IntPtr.Zero, csidl, ref ptrDir);
StringBuilder sbDirVideo = new StringBuilder(MAX_PATH);
if (SHGetPathFromIDListW(ptrDir, sbDirVideo))
{
return sbDirVideo.ToString();
}
}
finally
{
Marshal.FreeCoTaskMem(ptrDir);
}
return null;
}
public void LoopSpecialFolders()
{
foreach (var specialFolder in Enum.GetNames(typeof(CSIDL)).OrderBy(f => f))
{
var f = specialFolder;
var sfi = new SystemFolderInfo
{
FolderName = f.Substring(f.IndexOf("_") + 1),
Path = GetFolderPath((CSIDL)Enum.Parse(typeof(CSIDL), f)),
Icon = GetFolderIcon((CSIDL)Enum.Parse(typeof(CSIDL), f))
};
}
}
}
