CallWindowProc()为什么会有错误??
WNDPROC P_OldProc;
.....
CallWindowProc(P_OldProc,hWnd,message,wParam,lParam);
编译会有以下的错误提示:
[C++ Error] Unit1.cpp(37): E2034 Cannot convert 'long (__stdcall *)(void *,unsigned int,unsigned int,long)' to 'int (__stdcall *)()'
[C++ Error] Unit1.cpp(37): E2342 Type mismatch in parameter 'lpPrevWndFunc' (wanted 'int (__stdcall *)()', got 'long (__stdcall *)(void *,unsigned int,unsigned int,long)')
为什么,请各位帮帮忙