一个简单的嵌入式桌面管理器程序，用QT编写而成的，基于client/server模型，可以运行在嵌入式平台上，代码比较简单，读者可以对它做进一步开发。-A simple embedded Desktop Manager program, written in with a QT-based client/server model, can run on embedded platforms, the code is relatively simple, readers can develop i

电子签名系统，常应用博物馆触屏工控机，类似于手绘板，在pc上可用鼠标测试，功能：改变背景图片，改变画笔粗细和颜色，保存图片到本地硬盘。程序基于qt.4.7.2环境编写。-Commonly used museum touch-screen electronic signature system, industrial control, similar to the drawing board, available on the PC mouse test, function: change the