private static bool RegisterModem(IntPtr hDeviceInfoSet, ref Win32Wrapper.SP_DEVINFO_DATA devInfoElem, string PortName, ref Win32Wrapper.SP_DRVINFO_DATA drvData)
{
if (!Win32Wrapper.SetupDiRegisterDeviceInfo(hDeviceInfoSet, ref devInfoElem, 0, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero))
{
return(false);
}
IntPtr hKeyDev = Win32Wrapper.SetupDiOpenDevRegKey(hDeviceInfoSet, ref devInfoElem, (uint)Win32Wrapper.DICS_FLAG.DICS_FLAG_GLOBAL, 0, (uint)Win32Wrapper.DIREG.DIREG_DEV, (uint)Win32Wrapper.REGKEYSECURITY.KEY_READ);
if (hKeyDev.ToInt64() == INVALID_HANDLE_VALUE && Marshal.GetLastWin32Error() == (int)Win32Wrapper.WinErrors.ERROR_KEY_DOES_NOT_EXIST)
{
hKeyDev = Win32Wrapper.SetupDiCreateDevRegKey(hDeviceInfoSet, ref devInfoElem, (int)Win32Wrapper.DICS_FLAG.DICS_FLAG_GLOBAL, 0, (int)Win32Wrapper.DIREG.DIREG_DRV, IntPtr.Zero, IntPtr.Zero);
if (hKeyDev.ToInt64() == INVALID_HANDLE_VALUE)
{
return(false);
}
}
bool check = Win32Wrapper.SetupDiRegisterDeviceInfo(hDeviceInfoSet, ref devInfoElem, 0, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
if (!Win32Wrapper.SetupDiGetSelectedDriver(hDeviceInfoSet, ref devInfoElem, ref drvData))
{
int err = Marshal.GetLastWin32Error();
Console.WriteLine("No driver selected");
}
Microsoft.Win32.RegistryValueKind RegType = Microsoft.Win32.RegistryValueKind.String;
int size = (PortName.Length + 1) * Marshal.SystemDefaultCharSize;
int ret = Win32Wrapper.RegSetValueEx(hKeyDev, "AttachedTo", 0, (uint)RegType, PortName, (uint)size);
Win32Wrapper.RegCloseKey(hKeyDev);
return(true);
}