You are creating a Windows Forms application by using the .NET Framework 3.5. You plan to develop a new control for the application.The control will have the same properties as a TextBox control.You need to ensure that the control has a transparent background when it is painted on form.You want to achieve this goal by using the minimum amount of development effort.What should you do?()
A. Create a new class that is derived from the Control class.Call the SetStyle method in the constructor.
B. Create a new class that is derived from theTextBox control class.Override the OnPaint method in the constructor.
Create a new class that is derived from the Control class.Set the BackColor property of the control to Transparent.Call the SetStyle method in the constructor.
D. Create a new class that is derived from theTextBox control class.Set the BackColor property of the control to Transparent in the constructor.Call the SetStyle method in the constructor.
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医务人员要迎合这种“重男轻女”、“要男舍女”的思想。
A. 正确
B. 错误
为了明确征纳双方的权利义务和征管程序,我国颁了《税收征管法》。
A. 正确
B. 错误
鼓励义务为老年人提供服务。提倡()和健康老年人帮助高龄、患病老年人。
A. 结对帮扶
B. 邻里互助
C. 慈善救助