SiteMapNodeCollection.IndexOf(SiteMapNode) SiteMapNodeCollection.IndexOf(SiteMapNode) SiteMapNodeCollection.IndexOf(SiteMapNode) SiteMapNodeCollection.IndexOf(SiteMapNode) Method

Definition

Sucht nach dem angegebenen SiteMapNode-Objekt und gibt danach den nullbasierten Index des ersten Vorkommens innerhalb der gesamten Auflistung zurück.Searches for the specified SiteMapNode object, and then returns the zero-based index of the first occurrence within the entire collection.

public:
 virtual int IndexOf(System::Web::SiteMapNode ^ value);
public virtual int IndexOf (System.Web.SiteMapNode value);
abstract member IndexOf : System.Web.SiteMapNode -> int
override this.IndexOf : System.Web.SiteMapNode -> int
Public Overridable Function IndexOf (value As SiteMapNode) As Integer

Parameter

value
SiteMapNode SiteMapNode SiteMapNode SiteMapNode

Das SiteMapNode, das in der SiteMapNodeCollection gesucht werden soll.The SiteMapNode to locate in the SiteMapNodeCollection.

Gibt zurück

Der nullbasierte Index des ggf. ersten Vorkommens von value in der gesamten SiteMapNodeCollection, andernfalls -1.The zero-based index of the first occurrence of value within the entire SiteMapNodeCollection, if found; otherwise, -1.

Beispiele

Im folgenden Codebeispiel wird veranschaulicht, wie Sie mit der Contains und IndexOf Methoden der SiteMapNodeCollection Klasse.The following code example demonstrates how to use the Contains and IndexOf methods of the SiteMapNodeCollection class. Der Code prüft zwei Anbieter, AspNetXmlSiteMapProvider und MyXmlSiteMapProvider, für die untergeordneten Knoten des Stammknotens, die Duplikate sind.The code checks two providers, AspNetXmlSiteMapProvider and MyXmlSiteMapProvider, for child nodes of the root node that are duplicates.

String providername1 = "AspNetXmlSiteMapProvider";
String providername2 = "MyXmlSiteMapProvider";
SiteMapProviderCollection providers = SiteMap.Providers;

if (providers[providername1] != null && providers[providername2] != null)
{
  SiteMapProvider provider1 = providers[providername1];
  SiteMapProvider provider2 = providers[providername2];
  SiteMapNodeCollection collection1 = provider1.RootNode.ChildNodes;
  SiteMapNodeCollection collection2 = provider2.RootNode.ChildNodes;
  int matches = 0;
  foreach (SiteMapNode node in collection1)
  {
    if (collection2.Contains(node))
    {
      Response.Write("Match found at " +
        providername1 + ", index = " +
        collection1.IndexOf(node) + " with " +
        providername2 + ", index = " +
        collection2.IndexOf(node) + ".<br />");
      matches++;
    }
  }
  Response.Write("Number of matches found = " +
    matches.ToString() + ".");
}
else
{
  Response.Write(providername1 + " or " +
    providername2 + " not found.");
}
Dim providername1 As String = "xAspNetXmlSiteMapProvider"
Dim providername2 As String = "MyXmlSiteMapProvider"
Dim providers As SiteMapProviderCollection = SiteMap.Providers

If Not (providers(providername1) Is Nothing) AndAlso Not (providers(providername2) Is Nothing) Then
  Dim provider1 As SiteMapProvider = providers(providername1)
  Dim provider2 As SiteMapProvider = providers(providername2)
  Dim collection1 As SiteMapNodeCollection = provider1.RootNode.ChildNodes
  Dim collection2 As SiteMapNodeCollection = provider2.RootNode.ChildNodes
  Dim matches As Integer = 0
  Dim node As SiteMapNode
  For Each node In collection1
    If collection2.Contains(node) Then
      Response.Write("Match found at " & _
      providername1 & ", index = " & _
      collection1.IndexOf(node) & " with " & _
      providername2 & ", index = " & _
      collection2.IndexOf(node) & ".<br />")
      matches += 1
    End If
  Next node
  Response.Write("Number of matches found = " & _
  matches.ToString() + ".")
Else
  Response.Write(providername1 & " or " & _
  providername2 & " not found.")
End If    

Hinweise

Die IndexOf Methode bestimmt auf Gleichheit durch Aufrufen der Object.Equals Methode.The IndexOf method determines equality by calling the Object.Equals method.

Gilt für: