Contains a collection of IDTSInputColumn100 columns.
Assembly: Microsoft.SqlServer.DTSPipelineWrap (in Microsoft.SqlServer.DTSPipelineWrap.dll)
The contains a collection of IDTSInputColumn100 objects. The collection provides the ability to add, delete, and enumerate the items in the collection.
The columns in the collection are typically inserted into the collection by calling the SetUsageType method of the design time interface. This method sets the UsageType property of a column and places it in the collection.