listbox之间的拖动效果，有研究delphi的可以下载，简单易懂-drag effect between listbox research delphi download, simple and easy to understand

Delphi让窗体控件随窗口大小而变化，你可以拖动改变窗口的大小，但窗口里面的按钮会随着窗体的变大而自动增大，代码中有一个处理窗体大小变化时的事件，来控制这些窗口控件的自适应变化功能。 -Delphi Forms Control with the window size so that changes, you can drag to resize the window, but the window inside the button becomes larger as the form