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,
A.Private Sub Command1_C1ick() Command2.Visible=Tme Command3.Visible=False EndSub
B.Private Sub Command1 Click() Command2.Enabled=Tme Command3.Enabled=False EndSub
C.Private Sub Command1_C1ick() Command2.Enabled=True Command3.Visible=False End Sub
D.Private Sub Command1_Click() Command2.Visible=True Command3.Enabled=False End Sub