主题：[求助]动态添加按钮

If e.form.Controls.contains("btn1") = False Then
    Dim lbl As WinForm.Button
    lbl = e.Form.CreateControl("btn1", ControlTypeEnum.button)
    lbl.Text = "Foxtable"
    lbl.Left = 100
    lbl.Top = 100
    e.Form.AddControl(lbl)
End If