diff -r 94850bfc12b5 -r 17f8421146ba RawInput.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RawInput.cs	Fri Nov 07 22:12:22 2014 +0100
@@ -0,0 +1,94 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Diagnostics;
+
+
+namespace Win32
+{
+    static class RawInput
+    {
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="aRawInputHandle"></param>
+        /// <param name="aRawInput"></param>
+        /// <param name="rawInputBuffer">Caller must free up memory on the pointer using Marshal.FreeHGlobal</param>
+        /// <returns></returns>
+        public static bool GetRawInputData(IntPtr aRawInputHandle, ref RAWINPUT aRawInput, ref IntPtr rawInputBuffer)
+        {
+            bool success = true;
+            rawInputBuffer = IntPtr.Zero;
+
+            try
+            {
+                uint dwSize = 0;
+                uint sizeOfHeader = (uint)Marshal.SizeOf(typeof(RAWINPUTHEADER));
+
+                //Get the size of our raw input data.
+                Win32.Function.GetRawInputData(aRawInputHandle, Const.RID_INPUT, IntPtr.Zero, ref dwSize, sizeOfHeader);
+
+                //Allocate a large enough buffer
+                 rawInputBuffer = Marshal.AllocHGlobal((int)dwSize);
+
+                //Now read our RAWINPUT data
+                if (Win32.Function.GetRawInputData(aRawInputHandle, Const.RID_INPUT, rawInputBuffer, ref dwSize, (uint)Marshal.SizeOf(typeof(RAWINPUTHEADER))) != dwSize)
+                {
+                    return false;
+                }
+
+                //Cast our buffer
+                aRawInput = (RAWINPUT)Marshal.PtrToStructure(rawInputBuffer, typeof(RAWINPUT));
+            }
+            catch
+            {
+                Debug.WriteLine("GetRawInputData failed!");
+                success = false;
+            }
+
+            return success;
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="aRawInputHandle"></param>
+        /// <param name="aUsagePage"></param>
+        /// <param name="aUsage"></param>
+        /// <returns></returns>
+        public static bool GetDeviceInfo(IntPtr hDevice, ref RID_DEVICE_INFO deviceInfo)
+        {
+            bool success = true;
+            IntPtr deviceInfoBuffer = IntPtr.Zero;
+            try
+            {
+                //Get Device Info
+                uint deviceInfoSize = (uint)Marshal.SizeOf(typeof(RID_DEVICE_INFO));
+                deviceInfoBuffer = Marshal.AllocHGlobal((int)deviceInfoSize);
+
+                int res = Win32.Function.GetRawInputDeviceInfo(hDevice, Const.RIDI_DEVICEINFO, deviceInfoBuffer, ref deviceInfoSize);
+                if (res <= 0)
+                {
+                    Debug.WriteLine("WM_INPUT could not read device info: " + Marshal.GetLastWin32Error().ToString());
+                    return false;
+                }
+
+                //Cast our buffer
+                deviceInfo = (RID_DEVICE_INFO)Marshal.PtrToStructure(deviceInfoBuffer, typeof(RID_DEVICE_INFO));
+            }
+            catch
+            {
+                Debug.WriteLine("GetRawInputData failed!");
+                success = false;
+            }
+            finally
+            {
+                //Always executes, prevents memory leak
+                Marshal.FreeHGlobal(deviceInfoBuffer);
+            }
+
+            
+            return success;
+        }
+
+    }
+}
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