You are creating a Windows Forms Application by using the .NET Framework 3.5.You plan to design a new control that will be used on multiple forms in the app.You need to ensure that the control meets the following requirement: (1)It retrieves data from a MSSQL Server 2008 database instance. (2)It uses WPF classes to display data. (3)It uses user-customizable actions when the control is first painted on the form. What should you do?() Create a new custom class for the control that is derived from the Control class.。 Create a new custom class for the control that is derived from the UserControl class.。 Create a new custom class for the control that is derived from the ContentControl class.。 Create a new custom class for the control that is derived from the ContentPresenter class.。
()将房地产作为固定资产的一部分,与汽车轮船或其他设备统一征收固定资产税。税率为1.4%,以房屋的市场价值计税。 美国。 日本。 德国。 法国。
血栓闭塞性脉管炎患者的护理措施是() 患肢局部加温保暖。 要求患者绝对戒烟。 尽量减少止痛剂的应用。 休息时抬高患肢,缓解疼痛。 指导晚期患者做伯尔格运动。
制动轮缸有()式和()式两种。
急性肺水肿、脑水肿的首选药物是:() 氢氯噻嗪。 呋喃苯胺酸。 甘露醇。 A和C。 B和C。
空调运行检查:()