public void EnumerateMice()
{
lock (_lock)
{
_mouseList.Clear();
uint devices = 0u;
int size = Marshal.SizeOf(typeof(RawInputDeviceList));
if (Win32Methods.GetRawInputDeviceList(IntPtr.Zero, ref devices, (uint)size) != 0u)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
IntPtr pRawInputDeviceList = Marshal.AllocHGlobal((int)(size * devices));
try
{
Win32Methods.GetRawInputDeviceList(pRawInputDeviceList, ref devices, (uint)size);
int index = 0;
while (index < devices)
{
RawMouseDevice device = GetMouse(pRawInputDeviceList, size, index);
if (device != null && !_mouseList.ContainsKey(device.Handle))
{
_mouseList.Add(device.Handle, device);
}
index++;
}
}
finally
{
Marshal.FreeHGlobal(pRawInputDeviceList);
}
NumberOfMice = _mouseList.Count;
}
}
internal RawInputMouseEventArgs(RawMouseDevice device, ushort flags, ushort buttonFlags, short buttonData, int lastX, int lastY)
{
Device = device;
Flags = flags;
ButtonFlags = buttonFlags;
ButtonData = buttonData;
LastX = lastX;
LastY = lastY;
}