#include "apdefap.h"

 long _main(char* lpszPictureName, char* lpszObjectName, char* lpszPropertyName)

{

// WINCC:TAGNAME_SECTION_START

// syntax: #define TagNameInAction "DMTagName"

// next TagID : 2

#define TAG_1 "test_pv"

#define TAG_2 "alarm_h"

#define TAG_3 "alarm_hh"

// WINCC:TAGNAME_SECTION_END

// WINCC:PICNAME_SECTION_START

// syntax: #define PicNameInAction "PictureName"

// next PicID : 1

// WINCC:PICNAME_SECTION_END

if (GetTagFloat (TAG_1)>=GetTagFloat (TAG_3))//高高限

  return 84;//dark red

else if (GetTagFloat (TAG_1)>=GetTagFloat (TAG_2))//高限

  return 255;//red

else//正常值

 return 65280;//green

}