unresolved external symbol "public: void __thiscall CCreateCardDlg::OnExternalAuth(void)" (?OnExternalAuth@CCreateCardDlg@@QAEXXZ)
Debug/CreateCard.exe : fatal error LNK1120: 1 unresolved externals
Debug/CreateCard.exe : fatal error LNK1120: 1 unresolved externals
或者lib库没有包含进来,如果是lib库
你可以在程序中加上
#pragma comment(lib,"yourlib.lib")