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[Other systems] engxx DL : 0: 查字典背单词系统，系统虽小，设计系统使用的知识点很多。从结构化程序设计的角度来说，使用了结构化程序设计的三种基本结构：顺序结构，分支结构（简单分支、多分支、IF语句的嵌套调用），循环结构（步长型循环、扫描循环）。从面向对象程序设计的角度来说，用到了各种对象：表单、表单集、标签控件、文本框控件、命令按钮控件、编辑框控件、选项按钮组控件、复选框控件、列表框控件、组合框控件、图象控件、计时器控件、表格控件。用到了以上控件的常用事件、属性和方法。多处用到了自定义属性和自定义方法，使用了表单参数的传递和表单结果的返回。给出一个很好的随机数使用的实例，宏代换函数和类型测试函数应用，多处使用信息窗口和提示信息窗。 -word dictionary back system, the system may be small, the use of the system design knowledge many points. Judging from the structure of the program design perspective, the use of structured program design of the three basic structures : sequence, branch structure (simple branch, multi-branch, the nested IF statements calling), the cycle structure (step-cycle, scanning cycle). From the object-oriented programming point of view, the various objects used : Form, the form sets, control labeling, text box controls, Control orders button, edit box control, option buttons control group, the check box control, list box control, portfolio Box Controls Image control, timer controls, forms controls. Controls used in the above common, attributes and methods. Many uses since the definition of custom at
Date : 2026-01-18 Size : 488kb User : 李顺