c++ builder 写win7下测试左右声道相关问题请教
#include <mmdeviceapi.h>
#include <endpointvolume.h>
头文件编译时总是提示[C++ Error] MainCpp.h(63): E2209 Unable to open include file 'mmdeviceapi.h',[C++ Error] MainCpp.h(64): E2209 Unable to open include file 'endpointvolume.h'
是否要安装什么包??求指教