求助!!使用directshow编写视频聊天程序编译出错
编译出现这样的错误怎么解决啊
D:\directshowchat\codefans.net\基于directshow的语音视频聊天系统\CDXFilter.cpp(35) : error C2065: 'wcscpy_instead_use_StringCbCopyW_or_StringCchCopyW' : undeclared identifier
CDXGraph.cpp
D:\directshowchat\codefans.net\基于directshow的语音视频聊天系统\CDXGraph.cpp(603) : error C2065: 'wsprintfW_instead_use_StringCbPrintfW_or_StringCchPrintfW' : undeclared identifier
CVideoWindow.cpp