窗体中有3个命令按钮,分别命名为Commandl、Command2和Command3。当单击Commandl按钮时,Command2按钮变为可用,Command3按钮变为不可见。下列Corn—mandl的单击事件过程中,正确的是( )。
A.
private sub Command1 Click( ) Command2.Visible—trueCommand3.Visible—false End Sub
B.
private sub Commandl Click( ) Command2.Enable—trueCommand3.Enable=falseEnd Sub
C.
private sub Command1 Click( ) Command2.Enable—trueCommand3.Visible—falseEnd Sub
D.
private sub Command1 Click( ) Command2.Visible=trueCommand3.Enable—falseEnd Sub