private void btnCloseSerialSteerModule_Click(object sender, EventArgs e) { mf.CloseSteerModulePort(); if (mf.spSteerModule.IsOpen) { cboxSteerModulePort.Enabled = false; btnCloseSerialSteerModule.Enabled = true; btnOpenSerialSteerModule.Enabled = false; } else { cboxSteerModulePort.Enabled = true; btnCloseSerialSteerModule.Enabled = false; btnOpenSerialSteerModule.Enabled = true; } }