精选优质文档-倾情为你奉上通过MSComm控件进行WINCC串口通讯一、通过C脚本实现串口通讯画面对象“打开画面”C事件脚本#include “apdefap.h”Viod OnOpenPicture(char*IpszPictureName,char*IpszObjectName,char*IpszPropertyName)#define GetObject GetObject_object*pdl=NULL;_object*pic=NULL;_object*obj=NULL;Int I,j;Pdl =_object_create(“PDLRuntime”);If(pdl) Printf(“portopen get pdl ok”);pic = pdl-GetPicture(“串口通讯c版”)；if(pic) printf(“portopen get pic ok”); obj=pic-GetObject(“COM”);if(obj) pr
