SPNavigationNode.IsExternal property

Gets a Boolean value that specifies whether the navigation node URL corresponds to a page outside the site collection.

Namespace:  Microsoft.SharePoint.Navigation
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)

'Declaration
Public ReadOnly Property IsExternal As Boolean
    Get
'Usage
Dim instance As SPNavigationNode
Dim value As Boolean

value = instance.IsExternal

public bool IsExternal { get; }

Type: System.Boolean
Returns true if the the navigation node URL points to an external page; otherwise returns false.

SPNavigationNode class

SPNavigationNode members

Microsoft.SharePoint.Navigation namespace