delphi 开发的应用中，每一个窗体都有一个对应的窗体文件（.dfm），用来记录该窗体的属性以及窗体上所有控件的属性，以便在窗体关闭后能准确地重新生成窗体。-delphi development of applications, each form has a corresponding form file (. dfm), used to record the attributes of the form as well as the form of all the properties o