C# SiteMapNode.Equals方法代码示例

		public void Node_equals ()
		{
			SiteMapNode node = new SiteMapNode (new DummyProvider (), "Node", "1", "", null, null, null, null, null);
			SiteMapNode node1 = new SiteMapNode (new DummyProvider (), "Node", "1", "", null, null, null, null, null);
			SiteMapNode node2 = new SiteMapNode (new DummyProvider (), "Node", "2", "", null, null, new NameValueCollection (), null, null);
			Assert.IsTrue (node.Equals (node1), "both nodes have attrib=null");
			Assert.IsFalse (node.Equals (node2), "one node has attrib=null");
		}

		public void Node_Null_Attrib_equals ()
		{
            // Note: dot.net implementation dosn't compare attributes
			SiteMapNode node = new SiteMapNode (new DummyProvider (), "", "", "", null, null, null, null, null);
			SiteMapNode node1 = new SiteMapNode (new DummyProvider (), "", "", "", null, null, null, null, null);
			SiteMapNode node2 = new SiteMapNode (new DummyProvider (), "", "", "", null, null, new NameValueCollection (), null, null);
			Assert.IsTrue (node.Equals (node1), "both nodes have attrib=null");
			Assert.IsTrue (node.Equals (node2), "one node has attrib=null");
		}

        private bool CheckIfIn(SiteMapNode node, SiteMapNode selectedNode)
        {
            if (selectedNode == null || node == null)
            {
                return false;
            }

            if (selectedNode.Equals(node))
            {
                return true;
            }

            if (node.HasChildNodes)
            {
                foreach (SiteMapNode _node in node.ChildNodes)
                {
                    if (CheckIfIn(_node, selectedNode))
                    {
                        return true;
                    }
                }
            }

            return false;
        }

		public void Node_Null_Roles_equals ()
		{
			SiteMapNode node = new SiteMapNode (new DummyProvider (), "", "", "", null, null, null, null, null);
			SiteMapNode node1 = new SiteMapNode (new DummyProvider (), "", "", "", null, null, null, null, null);
			SiteMapNode node2 = new SiteMapNode (new DummyProvider (), "", "", "", null, new int[] { }, null, null, null);
			Assert.IsTrue (node.Equals (node1));
			Assert.IsTrue (node.Equals (node2));
		}

 /// <summary>
 /// Removes the specified <see cref="T:System.Web.SiteMapNode"/> object from all site map node collections that are tracked by the site map provider.
 /// </summary>
 /// <param name="node">The site map node to remove from the site map node collections.</param>
 /// <exception cref="T:System.ArgumentNullException">
 ///   <paramref name="node"/> is null.
 ///   </exception>
 protected override void RemoveNode(SiteMapNode node)
 {
     if (node == null)
         throw new ArgumentNullException("node");
     var provider = node.Provider;
     if (provider != this)
         for (var parentProvider = provider.ParentProvider; parentProvider != this; parentProvider = parentProvider.ParentProvider)
             if (parentProvider == null)
                 throw new InvalidOperationException(string.Format("StaticSiteMapProviderEx_cannot_remove_node", node.ToString(), Name, provider.Name));
     if (node.Equals(provider.RootNode))
         throw new InvalidOperationException("StaticSiteMapProviderEx_cannot_remove_root_node");
     if (provider != this)
         _providerRemoveNode.Invoke(provider, new[] { node });
     base.RemoveNode(node);
 }

        protected internal override void RemoveNode(SiteMapNode node) {
            if (node == null) {
                throw new ArgumentNullException("node");
            }

            SiteMapProvider ownerProvider = node.Provider;

            if (ownerProvider != this) {

                // Only nodes defined in this provider tree can be removed.
                SiteMapProvider parentProvider = ownerProvider.ParentProvider;
                while (parentProvider != this) {
                    if (parentProvider == null) {
                        // Cannot remove nodes defined in other providers
                        throw new InvalidOperationException(
                            SR.GetString(SR.XmlSiteMapProvider_cannot_remove_node, node.ToString(), 
                            this.Name, ownerProvider.Name));
                    }

                    parentProvider = parentProvider.ParentProvider;
                }
            }

            if (node.Equals(ownerProvider.GetRootNodeCore())) {
                throw new InvalidOperationException(SR.GetString(SR.SiteMapProvider_cannot_remove_root_node));
            }

            if (ownerProvider != this) {
                // Remove node from the owner provider.
                ownerProvider.RemoveNode(node);
            }

            base.RemoveNode(node);
        }

 protected internal override void RemoveNode(SiteMapNode node)
 {
     if (node == null)
     {
         throw new ArgumentNullException("node");
     }
     SiteMapProvider provider = node.Provider;
     if (provider != this)
     {
         for (SiteMapProvider provider2 = provider.ParentProvider; provider2 != this; provider2 = provider2.ParentProvider)
         {
             if (provider2 == null)
             {
                 throw new InvalidOperationException(System.Web.SR.GetString("XmlSiteMapProvider_cannot_remove_node", new object[] { node.ToString(), this.Name, provider.Name }));
             }
         }
     }
     if (node.Equals(provider.GetRootNodeCore()))
     {
         throw new InvalidOperationException(System.Web.SR.GetString("SiteMapProvider_cannot_remove_root_node"));
     }
     if (provider != this)
     {
         provider.RemoveNode(node);
     }
     base.RemoveNode(node);
 }