vb+mapx进行gis二次开发，如实现查找图元及显示鼠标所在经纬度以及自动滚屏等功能。-vb mapx for gis second development If you realize map and display the mouse coordinates, and where automatic Scroll function.

android 垂直方便自动滚屏控件实现，类似横屏滚动控件-android convenient auto-scroll controls to achieve vertical, horizontal screen scrolling control similar