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Metodo GetColumnCount

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

Spazio dei nomi:  Microsoft.SqlServer.Dts.Pipeline.Wrapper
Assembly:  Microsoft.SqlServer.DTSPipelineWrap (in Microsoft.SqlServer.DTSPipelineWrap.dll)

Sintassi

'Dichiarazione
Function GetColumnCount ( _
    hBufferType As Integer _
) As UInteger
'Utilizzo
Dim instance As IDTSBufferManager100
Dim hBufferType As Integer
Dim returnValue As UInteger

returnValue = instance.GetColumnCount(hBufferType)
uint GetColumnCount(
    int hBufferType
)
unsigned int GetColumnCount(
    [InAttribute] int hBufferType
)
abstract GetColumnCount : 
        hBufferType:int -> uint32 
function GetColumnCount(
    hBufferType : int
) : uint

Parametri

Valore restituito

Tipo: System. . :: . .UInt32
An integer that specifies the number of columns defined for the registered IDTSBuffer100 object.

Osservazioni

The GetColumnCount method returns the number of columns defined for the IDTSBuffer100 object identified by the hBufferType parameter. If the buffer definition specified by hBufferType does not exist, an E_INVALIDARG error occurs.