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9 Cards in this Set

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  • Back
You are creating an application for a major bank. The application should integrate seamlessly with Microsoft Office XP, be easy to learn, and instill a sense of corporate pride in users. Name two ways you might approach these goals in the user interface.
Design the user interface to mimic the look and feel of Microsoft Office XP, which will allow users of Office XP to immediately feel comfortable with the new application. Integration of the corporate logo and other visual elements associated with the company will aid in identification of the program with the company.
You are writing an application that needs to display a common set of controls on several different forms. What is the fastest way to approach this problem?
Create a single form that incorporates the common controls, and use visual inheritance to create derived forms.
If you wanted to prompt a user for input every time a form received the focus, what would be the best strategy for implementing this functionality?
Write an event handler for the Activated event that implements the relevant function.
Describe two ways to set the tab order of controls on your form.
You can set the tab order in Visual Studio by choosing Tab Index from View menu and clicking each control in the order you desire. Alternatively, you can set the TabIndex property either in code or in the Properties window.
What is an extender provider, and what does it do?
Extender providers are components that provide additional properties to controls on a form. Examples include the ErrorProvider, Help Provider, and ToolTip components. They can be used to provide additional information about particular controls to the user in the user interface.
Explain when you might implement a context menu instead of a main menu.
If every possible option is exposed on a main menu, the menu can become busy and hard to use. Shortcut menus allow less frequently used options to be exposed only in situations where they are likely to be used.
Describe what is meant by field-level validation and form-level validation.
Field-level validation is the process of validating each individual field as it is entered into a form. Form-level validation describes the process of validating all the data on a form before submitting the form.
Describe how to retrieve the ASCII key code from a keystroke. How would you retrieve key combinations for non-ASCII keys?
Keystrokes can be intercepted by handling the KeyPress and KeyDown events. Both of these events relay information to their handling methods in the form of their EventArgs. The KeyPressEventArgs, relayed by the KeyPress event, exposes the ASCII value of the key pressed in the KeyPressEventArgs.KeyChar property. The KeyEventArgs, relayed by the KeyDown event, exposes properties that indicate whether non-ASCII keys such as ALT, CTRL, or Shift have been pressed. To retrieve the ASCII key code from a keystroke, you would handle the KeyPress event and get that information from the KeyPressEventArgs.KeyChar property. To retrieve non-ASCII information, you would handle the KeyDown event and use the properties exposed by the KeyEventArgs instance.
Describe in general terms how to add a control to a form at run time.
You must first declare and instantiate a new instance of the control. Then, you must add the control to the form’s Controls collection. Once the control has been added to the Controls collection, you must manually set properties that govern the control’s position and appearance.