Dim lbl As WinForm.Label
lbl = Forms("导航").CreateControl("lblTest", ControlTypeEnum.Label)
lbl.Height=300
lbl.Width=400
lbl.Left = 10
lbl.Top = 50
lbl.BorderStyle=BorderStyle.FixedSingle
lbl.BorderColor=Color.FromARGB(47,79,79)
lbl.BackColor=Color.LightSteelBlue
lbl.Text = "测试"
Forms("导航").AddControl(lbl)
像上述代码在独立窗口、模式窗口、甚至在主窗口预览状态下都没有问题,但在主窗口模式下只能显示label的名称,边框、底色等均无法显示,不知如何解决?