Delphi得到输入框焦点时背景变色，得到组件焦点并设置其属性，其实不只是Delphi程序应该这么做，其它的一些编程语言写出来的软件了应该这样啊，为了有一个好的操作体验，让软件更人性化这是我们的目标-Delphi get input box focus background color, get the focus component and set its properties, in fact, not just Delphi program should do, some other programming language to write out the software should do, ah, in order to have a good operating experience, allowing software more humane it is our goal