F:\vc\Ex_MCI\Ex_MCIView.cpp(24) : error C2065: 'OnNotifySize' : undeclared identifier
F:\vc\Ex_MCI\Ex_MCIView.cpp(24) : error C2440: 'type cast' : cannot convert from 'int *' to 'long (__thiscall CWnd::*)(unsigned int,long)'
There is no context in which this conversion is possible
F:\vc\Ex_MCI\Ex_MCIView.cpp(112) : error C2065: 'm_hMCIWnd' : undeclared identifier
Error executing cl.exe.
各位帮忙看下 这是我调试后的结果 能告诉我怎么修改吗

error C2065: 錯誤原因很多, (是不是呼叫了未聲明的函式, 或者未包含有那個聲明的文件).

error C2440: 使用了不當的數據類型. (可能需要轉換, 但是忘記了?).