RetrieveMetadataChangesRequest 类

应用到: CRM 2015 on-prem, CRM Online

Contains the data that is needed to to retrieve a collection of metadata records that satisfy the specified criteria. The RetrieveMetadataChangesResponse returns a timestamp value that can be used with this request at a later time to return information about how metadata has changed since the last request.

命名空间: Microsoft.Xrm.Sdk.Messages
程序集: Microsoft.Xrm.Sdk (在 Microsoft.Xrm.Sdk.dll 中)

语法

声明
<DataContractAttribute(Namespace:="https://schemas.microsoft.com/xrm/2011/Contracts")> _
Public NotInheritable Class RetrieveMetadataChangesRequest
    Inherits OrganizationRequest

[DataContractAttribute(Namespace="https://schemas.microsoft.com/xrm/2011/Contracts")] 
public sealed class RetrieveMetadataChangesRequest : OrganizationRequest

示例

The following example shows how to use this message. For this sample to work correctly, you must be connected to the server to get an IOrganizationService interface. For the complete sample, see the link later in this topic.

protected RetrieveMetadataChangesResponse getMetadataChanges(
 EntityQueryExpression entityQueryExpression,
 String clientVersionStamp,
 DeletedMetadataFilters deletedMetadataFilter)
{
 RetrieveMetadataChangesRequest retrieveMetadataChangesRequest = new RetrieveMetadataChangesRequest()
 {
  Query = entityQueryExpression,
  ClientVersionStamp = clientVersionStamp,
  DeletedMetadataFilters = deletedMetadataFilter
 };

 return (RetrieveMetadataChangesResponse)_service.Execute(retrieveMetadataChangesRequest);

}

备注

Message Availability

无论调用方是连接到服务器还是处于脱机状态，此消息都可正常工作。

Usage

Pass an instance of this class to the Execute method, which returns an instance of RetrieveMetadataChangesResponse.

Notes for Callers

继承层次结构

System.Object
   Microsoft.Xrm.Sdk.OrganizationRequest
    Microsoft.Xrm.Sdk.Messages.RetrieveMetadataChangesRequest

线程安全性

此类型的所有公共静态（Visual Basic 中的 Shared）成员都是线程安全成员。不保证任何实例成员是线程安全成员。

平台

开发平台

Windows Vista、Windows Server 2003 和

目标平台

Windows Vista,Windows XP

Change History

另请参阅

参考

RetrieveMetadataChangesRequest 成员
Microsoft.Xrm.Sdk.Messages 命名空间

其他资源

Query and Capture Changes to Metadata
Sample: Query Metadata and Detect Changes
Customize Entity Metadata
Customize Entity Attribute Metadata
Customize Entity Relationship Metadata

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