(Dialog box is one of the most important user interface elements in Windows user program, and it is the main method of interaction with users. In the process of running the program, the dialog box can capture the user's input information or data. A dialog box is a special type of window. Any operation on the window (such as moving, maximizing, minimizing, etc.) can also be performed in the dialog box. Generally speaking, the dialog box interacts with users through various controls (such as buttons, edit boxes, list boxes, combo boxes, etc.). Controls are basic units defined in the system for interaction with users.
Chapter 4 Dialog Boxes and Common Controls.ppt)