为TEKLA二次开发者提供大量案例程序，对类函数的解释清晰(Providing a large number of case programs for the two TEKLA developers to explain the class functions clearly)

Tekla Structure 二次开发基础(Tekla Structure API Note)

本手册是关于Tekla Structures API 接口设计的手册，将全面的介绍使用Microsoft .NET技术或COM技术 开发Tekla Structures模型应用程序， 这些外接程序可以是.NET或COM的应用程序（*.exe）、 Macros（*.cs） 或者Microsoft Office 的VBA程序(Knowledge of basic Tekla development knowledge)

Tekla Structures二次开发资料(The ConnectionBase class is a base class for defining connections, details and seams. These types are more specialized and restricted by the input values than the ones derived from PluginBase. The coordinate system for connec