题目：
若要使命令按钮不可操作，要对（）属性进行设置。
A.Visible
B.Enabled
C.BackColor
D.Text
答案：
参考答案：B
若要使命令按钮不可操作，要对（）属性进行设置。A.Visible B.Enabled
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题型：单项选择题
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