介绍GDI+的特点和新增功能，以及GDI+ API的具体使用方法，包括二维矢量图形的绘制、图像处理的应用、以及文字的显示。-GDI+ introduce the characteristics and new features, as well as the GDI+ API' s specific use, including the two-dimensional vector graphics rendering, image processing applications, as