I'm porting a old component. I get this error, how to solve?
Severity Code Description Project File Line Suppression State
Error LNK1120 5 unresolved externals foo_ext K:\foo_ext\foobar2000\foo_ext\Release\foo_ext.dll 1
Error LNK2001 unresolved external symbol "bool __cdecl listview_helper::select_single_item(struct HWND__ *,unsigned int)" (?select_single_item@listview_helper@@YA_NPAUHWND__@@I@Z) foo_ext K:\foo_ext\foobar2000\foo_ext\config.obj 1
Error LNK2001 unresolved external symbol "bool __cdecl listview_helper::set_item_text(struct HWND__ *,unsigned int,unsigned int,char const *)" (?set_item_text@listview_helper@@YA_NPAUHWND__@@IIPBD@Z) foo_ext K:\foo_ext\foobar2000\foo_ext\config.obj 1
Error LNK2001 unresolved external symbol "unsigned int __cdecl listview_helper::insert_column(struct HWND__ *,unsigned int,char const *,unsigned int)" (?insert_column@listview_helper@@YAIPAUHWND__@@IPBDI@Z) foo_ext K:\foo_ext\foobar2000\foo_ext\config.obj 1
Error LNK2001 unresolved external symbol "unsigned int __cdecl listview_helper::insert_item(struct HWND__ *,unsigned int,char const *,long)" (?insert_item@listview_helper@@YAIPAUHWND__@@IPBDJ@Z) foo_ext K:\foo_ext\foobar2000\foo_ext\config.obj 1
Error LNK2001 unresolved external symbol "void __cdecl WIN32_OP_FAIL(void)" (?WIN32_OP_FAIL@@YAXXZ) foo_ext K:\foo_ext\foobar2000\foo_ext\foobar2000_sdk_helpers.lib(win32_dialog.obj) 1