Implement Qualcomm Sahara VIP and fix a few bugs

* Qualcomm Sahara VIP
* Project Cleanup
* Allow unlocking an already unlocked phone

WinUSBNet/API/APIException.cs

@@ -25,9 +25,13 @@ namespace MadWizard.WinUSBNet.API
         {
         }
 
+        public APIException() : base()
+        {
+        }
+
         public static APIException Win32(string message)
         {
-            return APIException.Win32(message, Marshal.GetLastWin32Error());
+            return Win32(message, Marshal.GetLastWin32Error());
 
             // TEST!!
             // int ErrorCode = Marshal.GetLastWin32Error();

WinUSBNet/API/DeviceManagement.cs

@@ -45,7 +45,7 @@ namespace MadWizard.WinUSBNet.API
                 // in the strucutre that are not part of dbch_name and dividing by 2 because there are 
                 // 2 bytes per character.
 
-                stringSize = System.Convert.ToInt32((devBroadcastHeader.dbch_size - 32) / 2);
+                stringSize = Convert.ToInt32((devBroadcastHeader.dbch_size - 32) / 2);
 
                 // The dbcc_name parameter of devBroadcastDeviceInterface contains the device name. 
                 // Trim dbcc_name to match the size of the String.         
@@ -87,12 +87,9 @@ namespace MadWizard.WinUSBNet.API
 
         private static byte[] GetProperty(IntPtr deviceInfoSet, SP_DEVINFO_DATA deviceInfoData, SPDRP property, out int regType)
         {
-            if (!SetupDiGetDeviceRegistryProperty(deviceInfoSet, ref deviceInfoData, property, IntPtr.Zero, IntPtr.Zero, 0, out uint requiredSize))
+            if (!SetupDiGetDeviceRegistryProperty(deviceInfoSet, ref deviceInfoData, property, IntPtr.Zero, IntPtr.Zero, 0, out uint requiredSize) && Marshal.GetLastWin32Error() != ERROR_INSUFFICIENT_BUFFER)
             {
-                if (Marshal.GetLastWin32Error() != ERROR_INSUFFICIENT_BUFFER)
-                {
-                    throw APIException.Win32("Failed to get buffer size for device registry property.");
-                }
+                throw APIException.Win32("Failed to get buffer size for device registry property.");
             }
 
             byte[] buffer = new byte[requiredSize];
@@ -116,12 +113,9 @@ namespace MadWizard.WinUSBNet.API
         // Heathcliff74
         private static byte[] GetProperty(IntPtr deviceInfoSet, SP_DEVINFO_DATA deviceInfoData, DEVPROPKEY property, out uint propertyType)
         {
-            if (!SetupDiGetDeviceProperty(deviceInfoSet, ref deviceInfoData, ref property, out propertyType, null, 0, out int requiredSize, 0))
+            if (!SetupDiGetDeviceProperty(deviceInfoSet, ref deviceInfoData, ref property, out propertyType, null, 0, out int requiredSize, 0) && Marshal.GetLastWin32Error() != ERROR_INSUFFICIENT_BUFFER)
             {
-                if (Marshal.GetLastWin32Error() != ERROR_INSUFFICIENT_BUFFER)
-                {
-                    throw APIException.Win32("Failed to get buffer size for device registry property.");
-                }
+                throw APIException.Win32("Failed to get buffer size for device registry property.");
             }
 
             byte[] buffer = new byte[requiredSize];
@@ -261,12 +255,9 @@ namespace MadWizard.WinUSBNet.API
                         ref bufferSize,
                         IntPtr.Zero);
 
-                    if (!success)
+                    if (!success && Marshal.GetLastWin32Error() != ERROR_INSUFFICIENT_BUFFER)
                     {
-                        if (Marshal.GetLastWin32Error() != ERROR_INSUFFICIENT_BUFFER)
-                        {
-                            throw APIException.Win32("Failed to get interface details buffer size.");
-                        }
+                        throw APIException.Win32("Failed to get interface details buffer size.");
                     }
 
                     IntPtr detailDataBuffer = IntPtr.Zero;
@@ -372,7 +363,7 @@ namespace MadWizard.WinUSBNet.API
 
         public static void StopDeviceDeviceNotifications(IntPtr deviceNotificationHandle)
         {
-            if (!DeviceManagement.UnregisterDeviceNotification(deviceNotificationHandle))
+            if (!UnregisterDeviceNotification(deviceNotificationHandle))
             {
                 throw APIException.Win32("Failed to unregister device notification");
             }

WinUSBNet/DeviceNotifyHook.cs

@@ -177,7 +177,7 @@ namespace MadWizard.WinUSBNet
 
                     if (Application.Current != null)
                     {
-                        if (Application.Current.Dispatcher.Thread.ManagedThreadId == System.Threading.Thread.CurrentThread.ManagedThreadId)
+                        if (Application.Current.Dispatcher.Thread.ManagedThreadId == Environment.CurrentManagedThreadId)
                         {
                             RemoveHookAction();
                         }

WinUSBNet/USBDevice.cs

@@ -804,7 +804,7 @@ namespace MadWizard.WinUSBNet
         /// no device with the given GUID could be found null is returned.</returns>
         public static USBDevice GetSingleDevice(string guidString)
         {
-            return USBDevice.GetSingleDevice(new Guid(guidString));
+            return GetSingleDevice(new Guid(guidString));
         }
 
         private static USBDeviceDescriptor GetDeviceDescriptor(string devicePath)

WinUSBNet/USBException.cs

@@ -34,5 +34,9 @@ namespace MadWizard.WinUSBNet
             : base(message, innerException)
         {
         }
+
+        public USBException() : base()
+        {
+        }
     }
 }

WinUSBNet/USBInterface.cs

@@ -90,10 +90,12 @@ namespace MadWizard.WinUSBNet
             get;
         }
 
+        /// <summary>
         /// Zero based interface index in WinUSB.
         /// Note that this is not necessarily the same as the interface *number*
         /// from the interface descriptor. There might be interfaces within the
         /// USB device that do not use WinUSB, these are not counted for index.
+        /// </summary>
         internal int InterfaceIndex
         {
             get;