arcgis engine开发例子，利用C#编写，能够利用excel新建shp图层。-arcgis engine development example, the use of C# is written to take advantage of the new shp excel layer.

线段栅格化的VBA显示,在excel上给定2个点，然后就可以基于VBA，画出这2个点经过的所有方格。在理解基础上，可以轻易的转成任何代码。-thie vba give an example on how to get the grids along a line fastly.