diff USBLib/Windows/Devices/DeviceNode.cs @ 52:d4778c3232ad

Prevent exception in HWLib
author Ivo Smits <Ivo@UCIS.nl>
date Tue, 01 Oct 2013 00:24:39 +0200
parents 556b4fb511bd
children 309c705d7460
line wrap: on
line diff
--- a/USBLib/Windows/Devices/DeviceNode.cs	Mon Sep 30 21:24:35 2013 +0200
+++ b/USBLib/Windows/Devices/DeviceNode.cs	Tue Oct 01 00:24:39 2013 +0200
@@ -112,7 +112,7 @@
 			uint proplength = 0;
 			uint proptype;
 			CR ret = SetupApi.CM_Get_DevNode_Registry_Property(DevInst, property, out proptype, null, ref proplength, 0);
-			if (ret == CR.NO_SUCH_VALUE) return null;
+			if (ret == CR.NO_SUCH_VALUE || ret == CR.NO_SUCH_DEVNODE) return null;
 			if (ret != CR.BUFFER_SMALL) CMException.Throw(ret, "CM_Get_DevNode_Registry_Property");
 			Byte[] propbuffer = new Byte[proplength];
 			ret = SetupApi.CM_Get_DevNode_Registry_Property(DevInst, property, out proptype, propbuffer, ref proplength, 0);