DiscoveryReferenceCollection 类
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
一个发现引用集合。 此类不能被继承。
public ref class DiscoveryReferenceCollection sealed : System::Collections::CollectionBase
public sealed class DiscoveryReferenceCollection : System.Collections.CollectionBase
type DiscoveryReferenceCollection = class
inherit CollectionBase
Public NotInheritable Class DiscoveryReferenceCollection
Inherits CollectionBase
- 继承
示例
#using <System.Web.Services.dll>
using namespace System;
using namespace System::IO;
using namespace System::Web::Services::Discovery;
int main()
{
DiscoveryDocumentReference^ myDiscoveryDocReference1 = gcnew DiscoveryDocumentReference;
DiscoveryDocumentReference^ myDiscoveryDocReference2 = gcnew DiscoveryDocumentReference;
DiscoveryReference^ myDiscoveryReference;
Console::WriteLine( "Demonstrating DiscoveryReferenceCollection class." );
// Create new DiscoveryReferenceCollection.
DiscoveryReferenceCollection^ myDiscoveryReferenceCollection = gcnew DiscoveryReferenceCollection;
// Access the Count method.
Console::WriteLine( "The number of elements in the collection is: {0}", myDiscoveryReferenceCollection->Count );
// Add elements to the collection.
myDiscoveryReferenceCollection->Add( myDiscoveryDocReference1 );
myDiscoveryReferenceCollection->Add( myDiscoveryDocReference2 );
Console::WriteLine( "The number of elements in the collection after adding two elements to the collection: {0}", myDiscoveryReferenceCollection->Count );
// Call the Contains method.
if ( myDiscoveryReferenceCollection->Contains( myDiscoveryDocReference1 ) != true )
{
throw gcnew Exception( "Element not found in collection." );
}
// Access the indexed member.
myDiscoveryReference = dynamic_cast<DiscoveryReference^>(myDiscoveryReferenceCollection[ 0 ]);
if ( myDiscoveryReference == nullptr )
{
throw gcnew Exception( "Element not found in collection." );
}
// Remove one element from collection.
myDiscoveryReferenceCollection->Remove( myDiscoveryDocReference1 );
Console::WriteLine( "The number of elements in the collection after removing one element is: {0}", myDiscoveryReferenceCollection->Count );
}
using System;
using System.IO;
using System.Web.Services.Discovery;
class MyDiscoveryDocumentClass
{
static void Main()
{
DiscoveryDocumentReference myDiscoveryDocReference1 =
new DiscoveryDocumentReference();
DiscoveryDocumentReference myDiscoveryDocReference2 =
new DiscoveryDocumentReference();
DiscoveryReference myDiscoveryReference;
Console.WriteLine("Demonstrating DiscoveryReferenceCollection class.");
// Create new DiscoveryReferenceCollection.
DiscoveryReferenceCollection myDiscoveryReferenceCollection =
new DiscoveryReferenceCollection();
// Access the Count method.
Console.WriteLine("The number of elements in the collection is: "
+ myDiscoveryReferenceCollection.Count.ToString());
// Add elements to the collection.
myDiscoveryReferenceCollection.Add(myDiscoveryDocReference1);
myDiscoveryReferenceCollection.Add(myDiscoveryDocReference2);
Console.WriteLine("The number of elements in the collection "
+ "after adding two elements to the collection: "
+ myDiscoveryReferenceCollection.Count.ToString());
// Call the Contains method.
if (myDiscoveryReferenceCollection.Contains(myDiscoveryDocReference1)
!= true)
{
throw new Exception("Element not found in collection.");
}
// Access the indexed member.
myDiscoveryReference =
(DiscoveryReference)myDiscoveryReferenceCollection[0];
if (myDiscoveryReference == null)
{
throw new Exception("Element not found in collection.");
}
// Remove one element from collection.
myDiscoveryReferenceCollection.Remove(myDiscoveryDocReference1);
Console.WriteLine("The number of elements in the collection "
+ "after removing one element is: "
+ myDiscoveryReferenceCollection.Count.ToString());
}
}
Imports System.IO
Imports System.Web.Services.Discovery
Class MyDiscoveryDocumentMod
Shared Sub Main()
Try
Dim myDiscoveryDocReference1 As New DiscoveryDocumentReference()
Dim myDiscoveryDocReference2 As New DiscoveryDocumentReference()
Dim myDiscoveryReference As DiscoveryReference
Console.WriteLine("Demonstrating DiscoveryReferenceCollection class.")
' Create new DiscoveryReferenceCollection.
Dim myDiscoveryReferenceCollection As New DiscoveryReferenceCollection()
' Access the Count method.
Console.WriteLine("The number of elements in collection is: " & _
myDiscoveryReferenceCollection.Count.ToString())
' Add elements to the collection.
myDiscoveryReferenceCollection.Add(myDiscoveryDocReference1)
myDiscoveryReferenceCollection.Add(myDiscoveryDocReference2)
Console.WriteLine("The number of elements in the collection " _
& "after adding two elements to the collection: " _
& myDiscoveryReferenceCollection.Count.ToString())
' Call the Contains method.
If myDiscoveryReferenceCollection.Contains(myDiscoveryDocReference1) _
<> True Then
Throw New Exception("Element not found in collection.")
End If
' Access the Item property.
myDiscoveryReference = myDiscoveryReferenceCollection.Item(0)
If myDiscoveryReference Is Nothing Then
Throw New Exception("Element not found in collection.")
End If
' Remove one element from the collection.
myDiscoveryReferenceCollection.Remove(myDiscoveryDocReference1)
Console.WriteLine("The number of elements in collection " _
& "after removing one element is: " _
& myDiscoveryReferenceCollection.Count.ToString())
Catch e As Exception
Console.Writeline("Exception occurred : " + e.Message)
End Try
End Sub
End Class
构造函数
DiscoveryReferenceCollection() |
初始化 DiscoveryReferenceCollection 类的新实例。 |
属性
Capacity |
获取或设置 CollectionBase 可包含的元素数。 (继承自 CollectionBase) |
Count |
获取 CollectionBase 实例中包含的元素数。 不能重写此属性。 (继承自 CollectionBase) |
InnerList |
获取一个 ArrayList,它包含 CollectionBase 实例中元素的列表。 (继承自 CollectionBase) |
Item[Int32] |
获取或设置指定索引处的 DiscoveryReference。 |
List |
获取一个 IList,它包含 CollectionBase 实例中元素的列表。 (继承自 CollectionBase) |
方法
显式接口实现
ICollection.CopyTo(Array, Int32) |
从目标数组的指定索引处开始将整个 CollectionBase 复制到兼容的一维 Array。 (继承自 CollectionBase) |
ICollection.IsSynchronized |
获取一个值,该值指示是否同步对 CollectionBase 的访问(线程安全)。 (继承自 CollectionBase) |
ICollection.SyncRoot |
获取可用于同步对 CollectionBase 的访问的对象。 (继承自 CollectionBase) |
IList.Add(Object) |
将对象添加到 CollectionBase 的结尾处。 (继承自 CollectionBase) |
IList.Contains(Object) |
确定 CollectionBase 是否包含特定元素。 (继承自 CollectionBase) |
IList.IndexOf(Object) |
搜索指定的 Object,并返回整个 CollectionBase 中第一个匹配项的从零开始的索引。 (继承自 CollectionBase) |
IList.Insert(Int32, Object) |
将元素插入 CollectionBase 的指定索引处。 (继承自 CollectionBase) |
IList.IsFixedSize |
获取一个值,该值指示 CollectionBase 是否具有固定大小。 (继承自 CollectionBase) |
IList.IsReadOnly |
获取一个值,该值指示 CollectionBase 是否为只读。 (继承自 CollectionBase) |
IList.Item[Int32] |
获取或设置指定索引处的元素。 (继承自 CollectionBase) |
IList.Remove(Object) |
从 CollectionBase 中移除特定对象的第一个匹配项。 (继承自 CollectionBase) |
扩展方法
Cast<TResult>(IEnumerable) |
将 IEnumerable 的元素强制转换为指定的类型。 |
OfType<TResult>(IEnumerable) |
根据指定类型筛选 IEnumerable 的元素。 |
AsParallel(IEnumerable) |
启用查询的并行化。 |
AsQueryable(IEnumerable) |
将 IEnumerable 转换为 IQueryable。 |