SPUsageDefinition.TruncateData 方法
Called daily by the usage processing timer job. Can be used to purge all data for this usage definition.
命名空间： Microsoft.SharePoint.Administration
程序集： Microsoft.SharePoint（位于 Microsoft.SharePoint.dll 中）
语法
声明
Public Overridable Sub TruncateData
用法
Dim instance As SPUsageDefinition
instance.TruncateData()
public virtual void TruncateData()