A link error, let's help see what is going on ???

lwlmygoodboy

-------------------- Configuration: GuiRcLesson-Win32 Debug --------------------
Compiling ...
GuiRcLesson.cpp
Linking ...
GuiRcLesson.obj: error LNK2001: unresolved external symbol "int __stdcall SetDialogSkin (char const *)" (? SetDialogSkin @@ YGHPBD @ Z)
GuiRcLesson.obj: error LNK2001: unresolved external symbol "int __stdcall SetWindowSkin (struct HWND__ *, char const *)" (? SetWindowSkin @@ YGHPAUHWND __ @@ PBD @ Z)
GuiRcLesson.obj: error LNK2001: unresolved external symbol "int __stdcall LoadSkinFile (char const *)" (? LoadSkinFile @@ YGHPBD @ Z)
GuiRcLesson.obj: error LNK2001: unresolved external symbol "int __stdcall InitSkinMagicLib (struct HINSTANCE__ *, char const *, char const *, char const *)" (? InitSkinMagicLib @@ YGHPAUHINSTANCE __ @@ PBD11 @ Z)
GuiRcLesson.obj: error LNK2001: unresolved external symbol "void __stdcall ExitSkinMagicLib (void)" (? ExitSkinMagicLib @@ YGXXZ)
Debug / GuiRcLesson.exe: fatal error LNK1120: 5 unresolved externals
Error executing link.exe.

GuiRcLesson.exe-6 error (s), 0 warning (s)

rsq666

The library file is missing, or the implementation part.

lwlmygoodboy

What does the implementation part mean?

笨丫头

The function I wrote only made a declaration, and did not write the definition of the function.

lgq1982

The function is defined, but the code of the function is not implemented.
You can unregister which unimplemented function,
Compile and check whether the following is this error 1?

lwlmygoodboy

It's solved, reopen the application and recompile it. I don't know what happened?? Thank you for your guidance!