(28 ) 在窗体中添加了一个文本框和一个命令按钮 (名称分别为 tText 和 bCommand ) , 并编写了
A ) Private Sub bCommand_Click()
Caption = " 计算机等级考试 "
End Sub
B ) Private Sub tText_Click()
bCommand.Caption = " 计算机等级考试 "
End Sub
C ) Private Sub bCommand_Change()
Caption = " 计算机等级考试 "
End Sub
D ) Private Sub tText_Change()
bCommand.Caption = " 计算机等级考试 "
End Sub