GetProcAddress 宏
#define FUNC_ADDR(hDll, func) pf##func func = \ (pf##func)GetProcAddress(hDll,#func);\ if(! func) {\ AfxMessageBox("GetAddrErr"#func);\ } HMODULE hDll = LoadLibrary("InvoicePrintMP512.dll"); if(!hDll) { AfxMessageBox("LoadErr"); } FUNC_ADDR(hDll, OpenDevice) FUNC_ADDR(hDll, CloseDevice)