From bce8be2b0a016a492b755dd422a1e3808636d5b3 Mon Sep 17 00:00:00 2001
From: Brent Beardsley <brentbeardsley@gmail.com>
Date: Wed, 26 Oct 2011 17:24:15 -0600
Subject: [PATCH] get/expose ProductString - will be Buzz for wired and Wbuzz
 for wireless

---
 AssemblyInfo.cs       |  2 +-
 HIDDevice.cs          |  9 +++++++++
 IBuzzHandsetDevice.cs |  2 +-
 Win32USB.cs           | 11 ++++++++++-
 4 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/AssemblyInfo.cs b/AssemblyInfo.cs
index e38febf..5953786 100644
--- a/AssemblyInfo.cs
+++ b/AssemblyInfo.cs
@@ -26,7 +26,7 @@
 // You can specify all the values or you can default the Revision and Build Numbers
 // by using the '*' as shown below:
 
-[assembly: AssemblyVersion("1.0.1.1")]
+[assembly: AssemblyVersion("1.0.1.2")]
 
 //
 // In order to sign your assembly you must specify a key to use. Refer to the
diff --git a/HIDDevice.cs b/HIDDevice.cs
index 876d0ed..4130703 100644
--- a/HIDDevice.cs
+++ b/HIDDevice.cs
@@ -27,6 +27,11 @@ public abstract class HIDDevice : Win32Usb, IDisposable
         /// </summary>
         public int InputReportLength { get; private set; }
 
+        /// <summary>
+        /// Product name
+        /// </summary>
+        public string ProductString { get; private set; }
+
         #endregion Properties
 
         #region IDisposable Members
@@ -74,6 +79,10 @@ private void Initialise(string strPath)
                 {
                     try
                     {
+                        var buffer = Marshal.AllocHGlobal(126);//max alloc for string;
+                        ProductString = HidD_GetProductString(_handle, buffer, 126) ? Marshal.PtrToStringAuto(buffer) : string.Empty;
+                        Marshal.FreeHGlobal(buffer); 
+
                         HidCaps oCaps;
                         HidP_GetCaps(lpData, out oCaps);	// extract the device capabilities from the internal buffer
                         InputReportLength = oCaps.InputReportByteLength;	// get the input...
diff --git a/IBuzzHandsetDevice.cs b/IBuzzHandsetDevice.cs
index f1ac153..66bfda8 100644
--- a/IBuzzHandsetDevice.cs
+++ b/IBuzzHandsetDevice.cs
@@ -23,6 +23,6 @@ public interface IBuzzHandsetDevice
         /// </summary>
         event EventHandler DeviceRemoved;
 
-
+        string ProductString { get; }
     }
 }
\ No newline at end of file
diff --git a/Win32USB.cs b/Win32USB.cs
index bc390ae..9e065ca 100644
--- a/Win32USB.cs
+++ b/Win32USB.cs
@@ -216,6 +216,7 @@ public class DeviceBroadcastInterface
         /// <returns>True if successful</returns>
         [DllImport("hid.dll", SetLastError = true)]
         protected static extern int HidP_GetCaps(IntPtr lpData, out HidCaps oCaps);
+
         /// <summary>
         /// Creates/opens a file, serial port, USB device... etc
         /// </summary>
@@ -229,6 +230,7 @@ public class DeviceBroadcastInterface
         /// <returns></returns>
         [DllImport("kernel32.dll", SetLastError = true)]
         protected static extern IntPtr CreateFile([MarshalAs(UnmanagedType.LPStr)] string strName, uint nAccess, uint nShareMode, IntPtr lpSecurity, uint nCreationFlags, uint nAttributes, IntPtr lpTemplate);
+
         /// <summary>
         /// Closes a window handle. File handles, event handles, mutex handles... etc
         /// </summary>
@@ -236,7 +238,14 @@ public class DeviceBroadcastInterface
         /// <returns>True if successful.</returns>
         [DllImport("kernel32.dll", SetLastError = true)]
         protected static extern int CloseHandle(IntPtr hFile);
-        #endregion
+
+        [DllImport("hid.dll", SetLastError = true, CallingConvention = CallingConvention.StdCall)]
+        internal static extern bool HidD_GetProductString(
+           IntPtr hDevice,
+           IntPtr buffer,
+           uint bufferLength);
+
+        #endregion P/Invoke
 
         #region Public methods
         /// <summary>