使用Visual C++ 6.0 开发的史密斯圆图演示程序。类CSmithChart为圆图类，其方法包括确定圆图范围，计算归一化阻抗，放射系数，画X圆，画R圆等。-6.0 using Visual C development of the Smith Chart Demonstration Program. Class CSmithChart round of graphs, including a round map to determine the scope of the calculat

用vc开发的raw格式的图片的显示程序，此程序主要用于显示2048*768的图片，用画点法编写的-Vc developed with raw format images show the process, the process used to display 2048* 768 pictures, with a painting, the preparation method of

经典索引方法，它是在R树的基础上进行改进，再次提高了查询速度，用VC编写，代码精炼。-Classic index method, which is in the R-tree based on the improved query speed once again increased, with VC development, refining the code.

VC++绘制几何图形并实现填充经典代码VC + + Drawing geometry and fill to achieve the classic code-VC++ Drawing geometry and fill to achieve the classic code