public TetherScriptDevice(DriverProductIds driverProduct)
{
try
{
OpenDevice(driverProduct);
}
catch (Exception ex)
{
Debug.WriteLine("Failed to create TetherScript device: " + ex.Message);
}
}
private bool OpenDevice(DriverProductIds driverProduct)
{
try
{
//Check driver product type
if (driverProduct == DriverProductIds.TTC_PRODUCTID_KEYBOARD)
{
HardwareTarget = "hid\\ttcvcontrkb";
}
else if (driverProduct == DriverProductIds.TTC_PRODUCTID_MOUSEREL)
{
HardwareTarget = "hid\\ttcvcontrmsrel";
}
else if (driverProduct == DriverProductIds.TTC_PRODUCTID_MOUSEABS)
{
HardwareTarget = "hid\\ttcvcontrmsabs";
}
//Find the virtual device path
IEnumerable <EnumerateInfo> SelectedHidDevice = EnumerateDevicesDi(GuidClassHidDevice, true);
foreach (EnumerateInfo EnumDevice in SelectedHidDevice)
{
if (EnumDevice.HardwareId.ToLower() == HardwareTarget)
{
DevicePath = EnumDevice.DevicePath;
break;
}
}
FileShareMode shareModeExclusive = FileShareMode.FILE_SHARE_NONE;
FileShareMode shareModeNormal = FileShareMode.FILE_SHARE_READ | FileShareMode.FILE_SHARE_WRITE;
FileDesiredAccess desiredAccess = FileDesiredAccess.GENERIC_WRITE;
FileCreationDisposition creationDisposition = FileCreationDisposition.OPEN_EXISTING;
FileFlagsAndAttributes flagsAttributes = FileFlagsAndAttributes.FILE_FLAG_NORMAL | FileFlagsAndAttributes.FILE_FLAG_OVERLAPPED | FileFlagsAndAttributes.FILE_FLAG_NO_BUFFERING;
//Try to open the device exclusively
FileHandle = CreateFile(DevicePath, desiredAccess, shareModeExclusive, IntPtr.Zero, creationDisposition, flagsAttributes, IntPtr.Zero);
Exclusive = true;
//Try to open the device normally
if (FileHandle == null || FileHandle.IsInvalid || FileHandle.IsClosed)
{
//Debug.WriteLine("Failed to open TetherScript device exclusively, opening normally.");
FileHandle = CreateFile(DevicePath, desiredAccess, shareModeNormal, IntPtr.Zero, creationDisposition, flagsAttributes, IntPtr.Zero);
Exclusive = false;
}
//Check if the device is opened
if (FileHandle == null || FileHandle.IsInvalid || FileHandle.IsClosed)
{
//Debug.WriteLine("Failed to open TetherScript device: " + DevicePath);
Connected = false;
Installed = false;
return(false);
}
else
{
//Debug.WriteLine("Opened TetherScript device: " + DevicePath + ", exclusively: " + Exclusive);
Connected = true;
Installed = true;
return(true);
}
}
catch (Exception ex)
{
Debug.WriteLine("Failed to open TetherScript device: " + ex.Message);
Connected = false;
Installed = false;
return(false);
}
}