internal static extern bool GetPointerDeviceRects(IntPtr hDevice, ref Rect pointerDeviceRect, ref Rect displayRect);
public static void DeviceAudit()
{
var file = new FileStream("DeviceAudit.txt", FileMode.Create, FileAccess.Write);
var sw = new StreamWriter(file);
var keyboardNumber = 0;
uint deviceCount = 0;
var dwSize = (Marshal.SizeOf(typeof(Rawinputdevicelist)));
if (GetRawInputDeviceList(IntPtr.Zero, ref deviceCount, (uint)dwSize) == 0)
{
var pRawInputDeviceList = Marshal.AllocHGlobal((int)(dwSize * deviceCount));
GetRawInputDeviceList(pRawInputDeviceList, ref deviceCount, (uint)dwSize);
for (var i = 0; i < deviceCount; i++)
{
uint pcbSize = 0;
// On Window 8 64bit when compiling against .Net > 3.5 using .ToInt32 you will generate an arithmetic overflow. Leave as it is for 32bit/64bit applications
var rid = (Rawinputdevicelist)Marshal.PtrToStructure(new IntPtr((pRawInputDeviceList.ToInt64() + (dwSize * i))), typeof(Rawinputdevicelist));
GetRawInputDeviceInfo(rid.hDevice, RawInputDeviceInfo.RIDI_DEVICENAME, IntPtr.Zero, ref pcbSize);
if (pcbSize <= 0)
{
sw.WriteLine("pcbSize: " + pcbSize);
sw.WriteLine(Marshal.GetLastWin32Error());
return;
}
var size = (uint)Marshal.SizeOf(typeof(DeviceInfo));
var di = new DeviceInfo {Size = Marshal.SizeOf(typeof (DeviceInfo))};
if (GetRawInputDeviceInfo(rid.hDevice, (uint) RawInputDeviceInfo.RIDI_DEVICEINFO, ref di, ref size) <= 0)
{
sw.WriteLine(Marshal.GetLastWin32Error());
return;
}
var pData = Marshal.AllocHGlobal((int)pcbSize);
GetRawInputDeviceInfo(rid.hDevice, RawInputDeviceInfo.RIDI_DEVICENAME, pData, ref pcbSize);
var deviceName = Marshal.PtrToStringAnsi(pData);
if (rid.dwType == DeviceType.RimTypeHid)
{
if ((ushort)HidUsagePage.Digitizer == di.HIDInfo.UsagePage && ((ushort)HidUsage.Joystick)== di.HIDInfo.Usage)
{
TouchDevice = new TouchDevice();
FoundTouchScreen = true;
Rect pointerRect = new Rect();
Rect displayRect = new Rect();
// Find the device rects
GetPointerDeviceRects(rid.hDevice, ref pointerRect, ref displayRect);
TouchDevice.DeviceInfo = di.HIDInfo;
TouchDevice.ProductId = di.HIDInfo.ProductID;
TouchDevice.VendorId = di.HIDInfo.VendorID;
TouchDevice.Width = pointerRect.Width;
// Console.WriteLine($"{VendorID} : {ProductID}");
}
}
Marshal.FreeHGlobal(pData);
}
Marshal.FreeHGlobal(pRawInputDeviceList);
sw.Flush();
sw.Close();
file.Close();
return;
}
throw new Win32Exception(Marshal.GetLastWin32Error());
}
public bool Equals(Rect r)
{
return r.Left == Left && r.Top == Top && r.Right == Right && r.Bottom == Bottom;
}