private bool TryReEnableDevice(string deviceInstanceId) { try { bool success; Guid hidGuid = new Guid(); NativeMethods.HidD_GetHidGuid(ref hidGuid); IntPtr deviceInfoSet = NativeMethods.SetupDiGetClassDevs(ref hidGuid, deviceInstanceId, 0, NativeMethods.DIGCF_PRESENT | NativeMethods.DIGCF_DEVICEINTERFACE); NativeMethods.SP_DEVINFO_DATA deviceInfoData = new NativeMethods.SP_DEVINFO_DATA(); deviceInfoData.cbSize = Marshal.SizeOf(deviceInfoData); success = NativeMethods.SetupDiEnumDeviceInfo(deviceInfoSet, 0, ref deviceInfoData); success = NativeMethods.SetupDiEnumDeviceInfo(deviceInfoSet, 1, ref deviceInfoData); // Checks that we have a unique device NativeMethods.SP_PROPCHANGE_PARAMS propChangeParams = new NativeMethods.SP_PROPCHANGE_PARAMS(); propChangeParams.classInstallHeader.cbSize = Marshal.SizeOf(propChangeParams.classInstallHeader); propChangeParams.classInstallHeader.installFunction = NativeMethods.DIF_PROPERTYCHANGE; propChangeParams.stateChange = NativeMethods.DICS_DISABLE; propChangeParams.scope = NativeMethods.DICS_FLAG_GLOBAL; propChangeParams.hwProfile = 0; success = NativeMethods.SetupDiSetClassInstallParams(deviceInfoSet, ref deviceInfoData, ref propChangeParams, Marshal.SizeOf(propChangeParams)); if (!success) { return(false); } success = NativeMethods.SetupDiCallClassInstaller(NativeMethods.DIF_PROPERTYCHANGE, deviceInfoSet, ref deviceInfoData); if (!success) { return(false); } propChangeParams.stateChange = NativeMethods.DICS_ENABLE; success = NativeMethods.SetupDiSetClassInstallParams(deviceInfoSet, ref deviceInfoData, ref propChangeParams, Marshal.SizeOf(propChangeParams)); if (!success) { return(false); } success = NativeMethods.SetupDiCallClassInstaller(NativeMethods.DIF_PROPERTYCHANGE, deviceInfoSet, ref deviceInfoData); if (!success) { return(false); } NativeMethods.SetupDiDestroyDeviceInfoList(deviceInfoSet); return(true); } catch { return(false); } }