I think this might work : I am not 100% sure about the CLSID
#ifdef _ARCMAP10
//import esriSystem.olb
#import "libid:5E1F7BC3-67C5-4AEE-8EC6-C4B73AAC42ED" raw_interfaces_only raw_native_types no_namespace named_guids exclude("OLE_COLOR", "OLE_HANDLE", "VARTYPE")
//import esriSystemUI.olb
#import "libid:4ECCA6E2-B16B-4ACA-BD17-E74CAE4C150A" raw_interfaces_only raw_native_types no_namespace named_guids exclude("OLE_HANDLE", "OLE_COLOR")
// import esriGeometry.olb
#import "libid:C4B094C2-FF32-4FA1-ABCB-7820F8D6FB68" raw_interfaces_only raw_native_types no_namespace named_guids exclude("OLE_HANDLE", "OLE_COLOR", "ISegment")
// import esriDisplay.olb
#import "libid:59FCCD31-434C-4017-BDEF-DB4B7EDC9CE0" raw_interfaces_only raw_native_types no_namespace named_guids exclude("OLE_HANDLE", "OLE_COLOR")
//import esriGeoDatabase.olb
#import "libid:0475BDB1-E5B2-4CA2-9127-B4B1683E70C2" raw_interfaces_only raw_native_types no_namespace named_guids
//import esriCarto.olb
#import "libid:45AC68FF-DEFF-4884-B3A9-7D882EDCAEF1" raw_interfaces_only raw_native_types no_namespace named_guids exclude("UINT_PTR")
// esriGISClient version 10 {746F6817-89BB-4490-9829-83CA25FD505A}
#import "libid:746F6817-89BB-4490-9829-83CA25FD505A" raw_interfaces_only raw_native_types no_namespace named_guids
// esriServer = {18F2FC71-6B30-45b9-B101-037A8B868B66}
#import "libid:18F2FC71-6B30-45b9-B101-037A8B868B66" raw_interfaces_only raw_native_types no_namespace named_guids
// esridatasourcesfile = {1CE6AC65-43F5-4529-8FC0-D7ED298E4F1A}
#import "libid:1CE6AC65-43F5-4529-8FC0-D7ED298E4F1A" raw_interfaces_only raw_native_types no_namespace named_guids // gives me a definition for CLSID_ShapefileWorkspaceFactory
//esridatasourcesGDB = {4A037613-879A-484D-AF82-0802947C627B}
#import "libid:4A037613-879A-484D-AF82-0802947C627B" raw_interfaces_only raw_native_types no_namespace named_guids // gives me a definition for CLSID_InMemoryWorkspaceFactory
// esriOutput = {7DB92CEC-CB65-420A-8737-FCD0722FD436}
#import "libid:7DB92CEC-CB65-420A-8737-FCD0722FD436" raw_interfaces_only raw_native_types no_namespace named_guids
// esriGeoprocessing. == {C031A050-82C6-4F8F-8836-5692631CFFE6}
#import "libid:C031A050-82C6-4F8F-8836-5692631CFFE6" raw_interfaces_only raw_native_types no_namespace named_guids
#else
#import "esriSystem.olb" raw_interfaces_only raw_native_types no_namespace named_guids exclude("OLE_COLOR", "OLE_HANDLE", "VARTYPE")
#import "esriSystemUI.olb" raw_interfaces_only raw_native_types no_namespace named_guids exclude("OLE_HANDLE", "OLE_COLOR")
#import "esriGeometry.olb" raw_interfaces_only raw_native_types no_namespace named_guids exclude("OLE_HANDLE", "OLE_COLOR") rename("ISegment","IZegment")
#import "esriDisplay.olb" raw_interfaces_only raw_native_types no_namespace named_guids exclude("OLE_HANDLE", "OLE_COLOR")
#import "esriGeoDatabase.olb" raw_interfaces_only raw_native_types no_namespace named_guids rename("ICursor","IKursor")
#import "esriCarto.olb" raw_interfaces_only raw_native_types no_namespace named_guids exclude("UINT_PTR")
#import "esriGISClient.olb" raw_interfaces_only raw_native_types no_namespace named_guids
#import "esriServer.olb" raw_interfaces_only raw_native_types no_namespace named_guids
#import "esridatasourcesfile.olb" raw_interfaces_only raw_native_types no_namespace named_guids // gives me a definition for CLSID_ShapefileWorkspaceFactory
#import "esridatasourcesgdb.olb" raw_interfaces_only raw_native_types no_namespace named_guids // gives me a definition for CLSID_InMemoryWorkspaceFactory
#import "esriOutput.olb" raw_interfaces_only raw_native_types no_namespace named_guids
#import "esriGeoprocessing.olb" raw_interfaces_only raw_native_types no_namespace named_guids
#endif