單項選擇題

You are creating a Windows Forms application by using the .NET Framework 3.5. You plan to develop a new control for the application.You need to ensure that the control extends the TreeView control by adding a custom node tag and a highlight color.What should you do？（）

A.Override the OnPaint method.
B.Write a code segment in the DrawNode event handler to specify the highlight color.
C.Set the DrawMode property of the control to OwnerDrawAll， and then implement a custom DrawNode event handler.
D.Set the DrawMode property of the control to OwnerDrawText，and then implement a custom DrawNode event handler.

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單項選擇題

You are creating a Windows Forms application by using the .NET Framework 3.5.You plan to develop a custom control for the application. The control will be a composite control.Your need to derive from the class that will create the control by using the minimum amount of development effort.What should you do？（）

A.Derive from the Control class.
B.Derive from the UserControl class.
C.Derive from the FrameworkElement class.
D.Derive from the ContainerControl class.

單項選擇題

You are creating a Windows Forms application by using the .NET Framework 3.5.You plan to develop a new control for the application.You need to ensure that the control extends the DataGridView control by allowing the cells to contain multicolored text.What should you do？（）

A.Override the OnPaint method.
B.Write a code segment to handle the CellPainting event.
C.Write a code segment to handle the CellParsing event.
D.Write a code segment to handle the RowPostPaint event.

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You are creating a Windows Forms application by using the .NET Framework 3.5. You plan to develop a new control for the application.You need to ensure that the control extends the TreeView control by adding a custom node tag and a highlight color.What should you do？（）

你可能感興趣的試題

You are creating a Windows Forms application by using the .NET Framework 3.5.You plan to develop a new control for the application.You need to ensure that the control extends the DataGridView control by allowing the cells to contain multicolored text.What should you do？（）

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You are creating a Windows Forms application by using the .NET Framework 3.5. You plan to develop a new control for the application.You need to ensure that the control extends the TreeView control by adding a custom node tag and a highlight color.What should you do？（）

You are creating a Windows Forms application by using the .NET Framework 3.5.You plan to develop a new control for the application.You need to ensure that the control extends the DataGridView control by allowing the cells to contain multicolored text.What should you do？（）