Gets a value that indicates how the virtual column is used by the component.
命名空间: Microsoft.SqlServer.Dts.Pipeline.Wrapper
程序集: Microsoft.SqlServer.DTSPipelineWrap (in microsoft.sqlserver.dtspipelinewrap.dll)
语法
声明
<DispIdAttribute(105)> _
ReadOnly Property UsageType As DTSUsageType
[DispIdAttribute(105)]
DTSUsageType UsageType { get; }
[DispIdAttribute(105)]
property DTSUsageType UsageType {
DTSUsageType get ();
}
/** @property */
/** @attribute DispIdAttribute(105) */
DTSUsageType get_UsageType ()
DispIdAttribute(105)
function get UsageType () : DTSUsageType
属性值
A value from the DTSUsageType enumeration.
备注
Columns are mapped from the IDTSVirtualInputColumnCollection90 into an IDTSInputColumnCollection90 using the SetUsageType method.
线程安全
Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
平台
开发平台
有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。
目标平台
有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。
请参阅
参考
IDTSVirtualInputColumn90 Interface
IDTSVirtualInputColumn90 Members
Microsoft.SqlServer.Dts.Pipeline.Wrapper Namespace