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【简答题】
设计一个程序(如图 2.1 所示),用窗体模拟黑板,窗体上没有最大化、最小化按钮;鼠标单击窗体时窗体上输出提问,显示回答。 分析:把窗体装扮成黑板模样,要设置窗体的 BackColor 属性为黑色, ForeColor 属性为白色(模拟粉笔字的颜色)。窗体上没有最大化、最小化按钮,则需要设置窗体的 MaxButton 、 MinButton 属性。而单击、的输出显示,可以在 Click 、 DblClick 事件里用 Print 和 Cls 方法来实现 。 1) 填写下列属性的设置值 表 2.1 实验 1 属性设置 对象名称 属性 属性值 窗体 Form1 BackColo r ForeColo r MaxButton MinButton 【1】 【2】 【3】 【4】 2 )代码编写 Private Sub Form_Click() 【5】 Print "1+1=?" End Sub Private Sub Form_DblClick() cls 【7】 End Sub
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