帮忙,看看这个错误是什么意思????
Compiling...
pppDlg.cpp
Linking...
pppDlg.obj : error LNK2001: unresolved external symbol "public: void __thiscall CPppDlg::RGBtoJPEGFile(unsigned char *,unsigned long,unsigned long,char *)" (?RGBtoJPEGFile@CPppDlg@@QAEXPAEKKPAD@Z)
Debug/ppp.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.
ppp.exe - 2 error(s), 0 warning(s)