14.1 State whether each of the following is true or false. If false, explain why. The KeyData
property includes data about modifier keys.
A Form
is a container.
All Form
s, components and controls are classes.
CheckBox
es are used to represent a set of mutually exclusive options.
A Label
displays text that a user running an app can edit.
Button
presses generate events.
All mouse events use the same event arguments class.
Visual Studio can register an event and create an empty event handler.
The NumericUpDown
control is used to specify a range of input values.
A control’s tool tip text is set with the ToolTip
property of class Control
.
14.2 Fill in the blanks in each of the following statements:
The active control is said to have the .
The Form
acts as a(n) for the controls that are added.
GUIs are driven.
Every method that handles the same event must have the same .
A(n) TextBox masks user input with a
character used repeatedly.
Class and class help arrange controls on a GUI and provide logical groups for radio buttons.
Typical mouse events include and .
events are generated when a key on the keyboard is pressed or released.
The modifier keys are , and .
A(n) event or delegate can be used to call multiple methods.