In this paper,the dynamic display of data in data window is studied,and can be implemented by using drag & drop o listview control units in PB.

ClistCtrl with Sorting Function;

Study of Traversing List Algorithm in Constant Space;

The Implementing of Flexible ListCtrl in VC;

The Design and Implementation of Group List Management Server in the PoC System;

Research on NC Wire Cutting APT of Parts with Tabulated Curve;

NC APT of tabulated curve Parts;

Building on mathematical theories of calculation geometric and function approaching method, circular-arc spline fitting and biarc fitting are gived for tabulated curve, circular-arc spline fitting is invariant in geometry , it is simple and accurate than other kinds of spline curve in calculation.

A fitting method of listing curve based on akima interpolation;