public static NotificationProxyError np_observe_notifications(NotificationProxyClientHandle client, out string notificationSpec)
{
System.Runtime.InteropServices.ICustomMarshaler notificationSpecMarshaler = NativeStringMarshaler.GetInstance(null);
System.IntPtr notificationSpecNative = System.IntPtr.Zero;
NotificationProxyError returnValue = NotificationProxyNativeMethods.np_observe_notifications(client, out notificationSpecNative);
notificationSpec = ((string)notificationSpecMarshaler.MarshalNativeToManaged(notificationSpecNative));
notificationSpecMarshaler.CleanUpNativeData(notificationSpecNative);
return(returnValue);
}
/// <summary>
/// Tells the device to send a notification on specified events.
/// </summary>
/// <param name="client">
/// The client to send to
/// </param>
/// <param name="notification_spec">
/// Specification of the notifications that should be
/// observed. This is expected to be an array of const char* that MUST have a
/// terminating NULL entry.
/// </param>
/// <returns>
/// NP_E_SUCCESS on success, NP_E_INVALID_ARG when client is null,
/// or an error returned by np_observe_notification.
/// </returns>
public virtual NotificationProxyError np_observe_notifications(NotificationProxyClientHandle client, out string notificationSpec)
{
return(NotificationProxyNativeMethods.np_observe_notifications(client, out notificationSpec));
}