UsbViewer in C# Get some USB device information via C#. The project is a clone of the Microsoft usbview that is written in C. Usb hubs not supported. The Project is under the The GNU Lesser General Public License version 2.1 (LGPLv2.1).
....and this is how you fix it on x64 bit platforms. Change this line:- "deviceInterfaceDetailData.cbSize = 4 + Marshal.SystemDefaultCharSize; // trust me :)" to this:- "if (UIntPtr.Size == 8) deviceInterfaceDetailData.cbSize = 8; else deviceInterfaceDetailData.cbSize = (int)(4 + (uint)Marshal.SystemDefaultCharSize);" And this:- "public IntPtr DevInst;" To this:- "public Int32 DevInst;"