IDTSBufferManager90.GetColumnCount Method

Gets the number of columns in a specified registered buffer type.

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(123)> _
Function GetColumnCount ( _
    <InAttribute> hBufferType As Integer _
) As UInteger

[DispIdAttribute(123)] 
uint GetColumnCount (
    [InAttribute] int hBufferType
)

[DispIdAttribute(123)] 
unsigned int GetColumnCount (
    [InAttribute] int hBufferType
)

/** @attribute DispIdAttribute(123) */ 
UInt32 GetColumnCount (
    /** @attribute InAttribute() */ int hBufferType
)

DispIdAttribute(123) 
function GetColumnCount (
    hBufferType : int
) : uint

参数

• hBufferType
  The ID of the registered buffer.

返回值

An integer that specifies the number of columns defined for the registered IDTSBuffer90 object.

备注

The GetColumnCount method returns the number of columns defined for the IDTSBuffer90 object identified by the hBufferType parameter. If the buffer definition specified by hBufferType does not exist, an E_INVALIDARG error occurs.

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

IDTSBufferManager90 Interface
IDTSBufferManager90 Members
Microsoft.SqlServer.Dts.Pipeline.Wrapper Namespace