qt4下做的程序启动画面，功能是在程序启动之前显示一个图片用以对缓慢的启动过程进行掩饰-qt4 proceedings under the picture to do, features in the proceedings before the show a picture of a slow start to the process to cover up

在linux QT4平台做spreadsheet项目中的一个简单查询对话框，-Platform in linux QT4 spreadsheet program to do a simple query in the dialog box

QT4.0学习程序，QT4.0编写的表格程序的模板(QT4.0 sample of spreadsheet, which can be edit with tools)