1 files changed, 74 insertions, 0 deletions
diff --git a/LibWinUsb/MonoLibUsb/Profile/MonoUsbProfileListHandle.cs b/LibWinUsb/MonoLibUsb/Profile/MonoUsbProfileListHandle.cs
new file mode 100644
index 0000000..e1c56c7
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+++ b/LibWinUsb/MonoLibUsb/Profile/MonoUsbProfileListHandle.cs
@@ -0,0 +1,74 @@
+// Copyright � 2006-2010 Travis Robinson. All rights reserved.
+// 
+// website: http://sourceforge.net/projects/libusbdotnet
+// e-mail:  libusbdotnet@gmail.com
+// 
+// This program is free software; you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2 of the License, or 
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful, but 
+// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+// or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+// for more details.
+// 
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA. or 
+// visit www.gnu.org.
+// 
+// 
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using LibUsbDotNet.Main;
+
+namespace MonoLibUsb.Profile
+{
+    /// <summary>
+    /// Used to iterate through the <see cref="MonoUsbProfileHandle"/> collection contained in the <see cref="MonoUsbProfileListHandle"/>.
+    /// </summary>
+    /// <remarks>
+    /// <para>Wraps a device list handle into a <see cref="System.Runtime.ConstrainedExecution.CriticalFinalizerObject"/></para>
+    /// </remarks>
+    /// <seealso cref="MonoUsbProfileList"/>
+    public class MonoUsbProfileListHandle : SafeContextHandle, IEnumerable<MonoUsbProfileHandle>
+    {
+        private MonoUsbProfileListHandle()
+            : base(IntPtr.Zero) { }
+
+        internal MonoUsbProfileListHandle(IntPtr pHandleToOwn)
+            : base(pHandleToOwn) { }
+
+        #region IEnumerable<MonoUsbProfileHandle> Members
+
+        /// <summary>
+        /// Gets a forward-only device list enumerator.
+        /// </summary>
+        /// <returns>A profile handle enumerator used iterating through the <see cref="MonoUsbProfileHandle"/> classes.</returns>
+        public IEnumerator<MonoUsbProfileHandle> GetEnumerator() { return new MonoUsbProfileHandleEnumerator(this); }
+
+        IEnumerator IEnumerable.GetEnumerator() { return GetEnumerator(); }
+
+        #endregion
+
+        /// <summary>
+        /// When overridden in a derived class, executes the code required to free the handle.
+        /// </summary>
+        /// <returns>
+        /// true if the handle is released successfully; otherwise, in the event of a catastrophic failure, false. In this case, it generates a ReleaseHandleFailed Managed Debugging Assistant.
+        /// </returns>
+        protected override bool ReleaseHandle()
+        {
+            if (!IsInvalid)
+            {
+                MonoUsbApi.FreeDeviceList(handle, 1);
+                //Console.WriteLine("FreeDeviceList:{0}", handle);
+                SetHandleAsInvalid();
+            }
+
+            return true;
+        }
+    }
+}
+\ No newline at end of file