IDTSOutput100.Buffer 属性

定义

命名空间:

Microsoft.SqlServer.Dts.Pipeline.Wrapper.Sql2012

程序集:

Microsoft.SqlServer.DTSPipelineWrap.dll

public:
 property int Buffer { int get(); };

[System.Runtime.InteropServices.ComAliasName("Microsoft.SqlServer.Dts.Pipeline.Wrapper.Sql2012.DTP_HBUFFERTYPE")]
[System.Runtime.InteropServices.DispId(103)]
public int Buffer { [System.Runtime.InteropServices.DispId(103)] get; }

[<System.Runtime.InteropServices.ComAliasName("Microsoft.SqlServer.Dts.Pipeline.Wrapper.Sql2012.DTP_HBUFFERTYPE")>]
[<System.Runtime.InteropServices.DispId(103)>]
[<get: System.Runtime.InteropServices.DispId(103)>]
member this.Buffer : int

Public ReadOnly Property Buffer As Integer

属性值

Int32

分配给 PipelineBuffer 对象的 IDTSOutput100 的整数 ID。

属性

ComAliasNameAttribute DispIdAttribute

示例

下面的代码示例使用 FindColumnByLineageID 查找缓冲区中的输出列。 列的索引存储在内部成员数组中，以便可以使用 PrimeOutput 该方法或 ProcessInput 方法访问它们。

Private columnIndex As Integer()   

Public  Overrides Sub PreExecute()   
 Dim output As IDTSOutput100 = ComponentMetaData.OutputCollection(0)   
 columnIndex = New Integer(output.OutputColumnCollection.Count - 1) {}   
 Dim x As Integer = 0   
 While x < output.OutputColumnCollection.Count   
   Dim col As IDTSOutputColumn100 = output.OutputColumnCollection(x)   
   columnIndex(x) = BufferManager.FindColumnByLineageID(output.Buffer, col.LineageID)   
   x -= 1   
 End While   
End Sub  

int []columnIndex;  
public override void PreExecute()  
{  
    IDTSOutput100 output = ComponentMetaData.OutputCollection[0];  

    columnIndex = new int[output.OutputColumnCollection.Count];  

    for(int x=0; x< output.OutputColumnCollection.Count; x++)  
    {  
        IDTSOutputColumn100 col = output.OutputColumnCollection[x];  
        columnIndex[x] = BufferManager.FindColumnByLineageID( output.Buffer,col.LineageID);  
    }  
}  

注解

此运行时属性主要用作 FindColumnByLineageID 属性方法 BufferManager 的参数，用于在一个 PipelineBuffer列中查找列。