static IntPtr RegisterForDeviceNotifications(IntPtr parent)
{
var usbNotifyHandle = IntPtr.Zero;
var bdi = new BroadcastDeviceInterface();
bdi.DbccSize = Marshal.SizeOf(bdi);
bdi.BroadcastDeviceType = BroadcastDeviceType.DBT_DEVTYP_DEVICEINTERFACE;
bdi.DbccClassguid = DeviceInterfaceHid;
var mem = IntPtr.Zero;
try
{
mem = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(BroadcastDeviceInterface)));
Marshal.StructureToPtr(bdi, mem, false);
usbNotifyHandle = WindowsInterop.RegisterDeviceNotification(parent, mem, DeviceNotification.DEVICE_NOTIFY_WINDOW_HANDLE);
}
catch (Exception e)
{
Debug.Print("RawInput: Registration for device notifications Failed. Error: {0}", Marshal.GetLastWin32Error());
Debug.Print(e.StackTrace);
}
finally
{
Marshal.FreeHGlobal(mem);
}
if (usbNotifyHandle == IntPtr.Zero)
{
Debug.Print("RawInput: Registration for device notifications Failed. Error: {0}", Marshal.GetLastWin32Error());
}
return(usbNotifyHandle);
}
static IntPtr RegisterForDeviceNotifications(IntPtr parent)
{
var usbNotifyHandle = IntPtr.Zero;
var bdi = new BroadcastDeviceInterface();
bdi.DbccSize = Marshal.SizeOf(bdi);
bdi.BroadcastDeviceType = BroadcastDeviceType.DBT_DEVTYP_DEVICEINTERFACE;
bdi.DbccClassguid = DeviceInterfaceHid;
var mem = IntPtr.Zero;
try
{
mem = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(BroadcastDeviceInterface)));
Marshal.StructureToPtr(bdi, mem, false);
usbNotifyHandle = WindowsInterop.RegisterDeviceNotification(parent, mem, DeviceNotification.DEVICE_NOTIFY_WINDOW_HANDLE);
}
catch (Exception e)
{
Debug.Print("RawInput: Registration for device notifications Failed. Error: {0}", Marshal.GetLastWin32Error());
Debug.Print(e.StackTrace);
}
finally
{
Marshal.FreeHGlobal(mem);
}
if (usbNotifyHandle == IntPtr.Zero)
{
Debug.Print("RawInput: Registration for device notifications Failed. Error: {0}", Marshal.GetLastWin32Error());
}
return usbNotifyHandle;
}
