Question

vb中如何设置让command2先是处于无效状态，点击command1按钮后，command2就

为有效的按钮

Answer 1

Private Sub Form_Load()
Command1.Enabled = True
Command2.Enabled = False
End Sub
Private Sub Command1_Click()
Command2.Enabled = True
Command1.Enabled = False
End Sub

Private Sub Command2_Click()
Command1.Enabled = True
Command2.Enabled = False
End Sub