public RawInput(IntPtr handle)
{
this.handle = handle;
mice = new List<DeviceInfo>();
keyboards = new List<DeviceInfo>();
otherDevices = new List<DeviceInfo>();
RAWINPUTDEVICE[] rid = new RAWINPUTDEVICE[1];
rid[0].usUsagePage = Win32RawInput.HID_HWIND.HidMouse.UsagePage;
rid[0].usUsage = Win32RawInput.HID_HWIND.HidMouse.UsageId;
rid[0].dwFlags = (int)RIDEV.INPUTSINK;
rid[0].hwndTarget = handle;
if (!Win32RawInput.RegisterRawInputDevices(rid, rid.Length, Marshal.SizeOf(rid[0])))
throw new Win32Exception("Failed to register raw input device(s).");
int loadedDevices = LoadDevices();
if (mice.Count <= 0)
throw new Win32Exception("Unable to detect an attached mouse");
}
public static extern bool RegisterRawInputDevices(RAWINPUTDEVICE[] pRawInputDevice, uint uiNumDevices, uint cbSize);
public static bool RegisterRawInputDevices(RAWINPUTDEVICE[] pRawInputDevice, int iNumDevices, int cbSize)
{
return NativeMethods.RegisterRawInputDevices(pRawInputDevice, (uint)iNumDevices, (uint)cbSize);
}
protected virtual void Dispose(bool disposing)
{
if (!_disposed)
{
_disposed = true;
if (disposing)
{
// Dispose managed resources
// N/A
}
// Dispose unmanaged resources.
RAWINPUTDEVICE[] rid = new RAWINPUTDEVICE[1];
rid[0].usUsagePage = Win32RawInput.HID_HWIND.HidMouse.UsagePage;
rid[0].usUsage = Win32RawInput.HID_HWIND.HidMouse.UsageId;
rid[0].dwFlags = (int)RIDEV.REMOVE;
rid[0].hwndTarget = this.handle;
Win32RawInput.RegisterRawInputDevices(rid, rid.Length, Marshal.SizeOf(rid[0]));
}
}
