/// <summary>
/// Register a listener of extension node changes.
/// </summary>
/// <param name="instanceType">
/// Type defining the extension point
/// </param>
/// <param name="handler">
/// A handler method.
/// </param>
/// <remarks>
/// Hosts can call this method to be subscribed to an extension change
/// event for a specific type extension point. The event will be fired once for every
/// individual node change. The event arguments include the change type
/// (Add or Remove) and the extension node added or removed.
///
/// NOTE: The handler will be called for all nodes existing in the path at the moment of registration.
/// </remarks>
public static void AddExtensionNodeHandler(Type instanceType, ExtensionNodeEventHandler handler)
{
AddinEngine.CheckInitialized();
AddinEngine.AddExtensionNodeHandler(instanceType, handler);
}
/// <summary>
/// Register a listener of extension node changes.
/// </summary>
/// <param name="path">
/// Path of the node.
/// </param>
/// <param name="handler">
/// A handler method.
/// </param>
/// <remarks>
/// Hosts can call this method to be subscribed to an extension change
/// event for a specific path. The event will be fired once for every
/// individual node change. The event arguments include the change type
/// (Add or Remove) and the extension node added or removed.
///
/// NOTE: The handler will be called for all nodes existing in the path at the moment of registration.
/// </remarks>
public static void AddExtensionNodeHandler(string path, ExtensionNodeEventHandler handler)
{
AddinEngine.CheckInitialized();
AddinEngine.AddExtensionNodeHandler(path, handler);
}