窗体上添加有3个命令按钮,分别命名为Command1、Command2和Command3。编写Command1的单击事件过程,完成的功能为:当单击按钮Command1时,按钮Command2可用,按钮Command3不可见。以下正确的是( )。
A.Private Sub Commandl_Click() Command2.Visible=TrueCommand3.Visible=FalseEnd Sub
B.Private Sub Commandl_Click()Command2.Enabled=TrueCommand3.Enabled=FalseEnd Sub
C.PrivateSubCommand1_Click() Command2.Enabled=TrueCommand3.Visible=FalseEnd Sub
D.PrivateSubCommand1_Click()Command2.Visible=TrueCommand3.Enabled=FalseEnd Sub