VC++动态链接库(DLL)编程深入浅出(二)[组图](11)
//类point的构造函数 point::point(float x_coordinate, float y_coordinate) { x = x_coordinate; y = y_coordinate; } //文件名：circle.h，circle类的声明 #ifndef CIRCLE_H #define CIRCLE_H #in
//类point的构造函数
point::point(float x_coordinate, float y_coordinate)
{
x = x_coordinate;
y = y_coordinate;
}
//文件名：circle.h，circle类的声明
#ifndef CIRCLE_H
#define CIRCLE_H
#include "point.h"
#ifdef DLL_FILE
class _declspec(dllexport)circle //导出类circle
#else
class _declspec(dllimport)circle //导入类circle
#endif
{
public:
void SetCentre(const point ¢rePoint);
void SetRadius(float r);
float GetGirth();
float GetArea();
circle();
private:
float radius;
point centre;
};
#endif
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