/// <summary>
/// Registers a window to receive windows messages when a device is inserted/removed. Need to call this
/// from a form when its handle has been created, not in the form constructor. Use form's OnHandleCreated override.
/// </summary>
/// <param name="hWnd">Handle to window that will receive messages</param>
/// <param name="gClass">Class of devices to get messages for</param>
/// <returns>A handle used when unregistering</returns>
public static IntPtr RegisterForUsbEvents(IntPtr hWnd, Guid gClass)
{
var oInterfaceIn = new DeviceBroadcastInterface();
oInterfaceIn.Size = Marshal.SizeOf(oInterfaceIn);
oInterfaceIn.ClassGuid = gClass;
oInterfaceIn.DeviceType = DEVTYP_DEVICEINTERFACE;
oInterfaceIn.Reserved = 0;
return RegisterDeviceNotification(hWnd, oInterfaceIn, DEVICE_NOTIFY_WINDOW_HANDLE);
}
public static extern IntPtr RegisterDeviceNotification(IntPtr hwnd, DeviceBroadcastInterface oInterface,
uint nFlags);