- if (!DeviceIoControl(TestDeviceHandle, KMT_MAKE_CODE(ControlCode), (PVOID)String, strlen(String), NULL, 0, &BytesRead, NULL))
+ if (!DeviceIoControl(TestDeviceHandle, KMT_MAKE_CODE(ControlCode), (PVOID)String, (DWORD)strlen(String), NULL, 0, &BytesRead, NULL))