Exam 13: Handling Events

When you click a component on a Form in Design View, you move to the default method code.

What provides a way for the clients of a class to dictate methods that should execute when an event occurs?

What is another term for the performing of an action, such as the click of a button by a user?

In C#, when something interesting happens to an object, what is said to have occurred?

What are the two actions that can be taken on an event field?

When a Form contains multiple Controls, you can create a separate event handler for each Control.However, you can also associate the same event handler with multiple Controls.Describe how to associate an existing event handler with a second Control using the IDE.

What event occurs when the mouse cursor leaves the Control's boundaries?

The connection of an event to its resulting actions is known by what term?

What is an important difference between KeyEventArgs properties and KeyPressEventArgs properties?

Assume you declare three delegates named delegate1, delegate2, and delegate3.You then assign a reference to method M1() to delegate1, and a reference to method M2() to delegate2.How do you make delegate3 into a composed delegate that executes both M1() and M2()? What are the rules concerning return type and parameter list for composed delegates?

What term can be used to describe an event-handler method?

Describe the methods that could be encapsulated by a delegate that has been defined as: delegate void GreetingDelegate(string s);

In a button event-handler parameter list, the second argument is an object of what type?

The code generated in Design mode in the IDE is not meant to be altered by typing.You should modify Control properties through the Properties window in the IDE.

For events that do not use additional information, the .NET Framework has already defined an appropriate delegate type with what name?

What property stores the key code along with any modifier key for a key event?

Depending on the event, the delegate used to create the keyboard event handler is either KeyEventHandler or what other event handler?

Events must be declared as private.

What are the properties of the MouseEventArgs class?

What class has a static field named Empty that represents an event that contains no event data?