1.实现了对话框伸缩 2.实现QQ号码的添加 3.具有简单的与ACCESS数据库连接验证的功能 4.增加一点输入的音效效果-1. The realization of the dialog box telescopic 2. The realization of QQ numbers add 3. Has a simple and ACCESS database connection to verify the function of 4. Increase in importati