说明：  本书主要针对那些希望.NET Framework的GDI+基类功能的开发人员而编写的，适合那些提供技术和信息，以完成Windows Forms和Web Forms编写GDI+代码的任务，而创建自定义控件的人员。
(The book mainly for those who wish to. NET Framework' s GDI+ base class functionality developers prepared for those who provide technology and information to complete the Windows Forms and Web Forms prepared by the task of GDI+ code, and create a custom control personnel .)