“cvSnakeImage”: 找不到标识符

1>g:\project\opencv\helloopencv\helloopencv\helloopencv.cpp(74) : error C2065: “CV_VALUE”: 未声明的标识符
1>g:\project\opencv\helloopencv\helloopencv\helloopencv.cpp(74) : error C3861: “cvSnakeImage”: 找不到标识符

增加头文件

#include <opencv2/legacy/legacy.hpp>