返回真CDocBuilderValue对象为空 。
字符串工作表 = C:/Program文件/ONLYOFICE/DocumentBuilderCDocBuilder.Initialize(workDirectory)!CDOCBuilder = 新建CDOCBuilderContextoContext=oBuilder.GetContextCvalueoGlobal=oContext.GetGlobalspty=oGlobal.IsmptyCDocBuilder.Destroy();