Working on machine studio storage module.

1 files changed, 112 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Tango.Core/IO/KnownFolders.cs b/Software/Visual_Studio/Tango.Core/IO/KnownFolders.cs
new file mode 100644
index 000000000..841b0d8c4
--- /dev/null
+++ b/Software/Visual_Studio/Tango.Core/IO/KnownFolders.cs
@@ -0,0 +1,112 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace Tango.Core.IO
+{
+    /// <summary>
+    /// Class containing methods to retrieve specific file system paths.
+    /// </summary>
+    public static class KnownFolders
+    {
+        private static string[] _knownFolderGuids = new string[]
+        {
+        "{56784854-C6CB-462B-8169-88E350ACB882}", // Contacts
+        "{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}", // Desktop
+        "{FDD39AD0-238F-46AF-ADB4-6C85480369C7}", // Documents
+        "{374DE290-123F-4565-9164-39C4925E467B}", // Downloads
+        "{1777F761-68AD-4D8A-87BD-30B759FA33DD}", // Favorites
+        "{BFB9D5E0-C6A9-404C-B2B2-AE6DB6AF4968}", // Links
+        "{4BD8D571-6D19-48D3-BE97-422220080E43}", // Music
+        "{33E28130-4E1E-4676-835A-98395C3BC3BB}", // Pictures
+        "{4C5C32FF-BB9D-43B0-B5B4-2D72E54EAAA4}", // SavedGames
+        "{7D1D3A04-DEBB-4115-95CF-2F29DA2920DA}", // SavedSearches
+        "{18989B1D-99B5-455B-841C-AB7C74E4DDFC}", // Videos
+        };
+
+        /// <summary>
+        /// Gets the current path to the specified known folder as currently configured. This does
+        /// not require the folder to be existent.
+        /// </summary>
+        /// <param name="knownFolder">The known folder which current path will be returned.</param>
+        /// <returns>The default path of the known folder.</returns>
+        /// <exception cref="System.Runtime.InteropServices.ExternalException">Thrown if the path
+        ///     could not be retrieved.</exception>
+        public static string GetPath(KnownFolder knownFolder)
+        {
+            return GetPath(knownFolder, false);
+        }
+
+        /// <summary>
+        /// Gets the current path to the specified known folder as currently configured. This does
+        /// not require the folder to be existent.
+        /// </summary>
+        /// <param name="knownFolder">The known folder which current path will be returned.</param>
+        /// <param name="defaultUser">Specifies if the paths of the default user (user profile
+        ///     template) will be used. This requires administrative rights.</param>
+        /// <returns>The default path of the known folder.</returns>
+        /// <exception cref="System.Runtime.InteropServices.ExternalException">Thrown if the path
+        ///     could not be retrieved.</exception>
+        public static string GetPath(KnownFolder knownFolder, bool defaultUser)
+        {
+            return GetPath(knownFolder, KnownFolderFlags.DontVerify, defaultUser);
+        }
+
+        private static string GetPath(KnownFolder knownFolder, KnownFolderFlags flags,
+            bool defaultUser)
+        {
+            int result = SHGetKnownFolderPath(new Guid(_knownFolderGuids[(int)knownFolder]),
+                (uint)flags, new IntPtr(defaultUser ? -1 : 0), out IntPtr outPath);
+            if (result >= 0)
+            {
+                string path = Marshal.PtrToStringUni(outPath);
+                Marshal.FreeCoTaskMem(outPath);
+                return path;
+            }
+            else
+            {
+                throw new ExternalException("Unable to retrieve the known folder path. It may not "
+                    + "be available on this system.", result);
+            }
+        }
+
+        [DllImport("Shell32.dll")]
+        private static extern int SHGetKnownFolderPath(
+            [MarshalAs(UnmanagedType.LPStruct)]Guid rfid, uint dwFlags, IntPtr hToken,
+            out IntPtr ppszPath);
+
+        [Flags]
+        private enum KnownFolderFlags : uint
+        {
+            SimpleIDList = 0x00000100,
+            NotParentRelative = 0x00000200,
+            DefaultPath = 0x00000400,
+            Init = 0x00000800,
+            NoAlias = 0x00001000,
+            DontUnexpand = 0x00002000,
+            DontVerify = 0x00004000,
+            Create = 0x00008000,
+            NoAppcontainerRedirection = 0x00010000,
+            AliasOnly = 0x80000000
+        }
+    }
+
+    /// <summary>
+    /// Standard folders registered with the system. These folders are installed with Windows Vista
+    /// and later operating systems, and a computer will have only folders appropriate to it
+    /// installed.
+    /// </summary>
+    public enum KnownFolder
+    {
+        Contacts,
+        Desktop,
+        Documents,
+        Downloads,
+        Favorites,
+        Links,
+        Music,
+        Pictures,
+        SavedGames,
+        SavedSearches,
+        Videos
+    }
+}