Gets a data source selected by name in the design host, represented by the specified component's site property and identified by the specified data-source name and member name.
- component
- The object implementing System.ComponentModel.IComponent that contains the data sourced property.
- dataSource
- The data source to retrieve.
- dataMember
- The data member to retrieve.
An object implementing IEnumerable containing the data member, or null if the data source, member, or component's site could not be accessed.