window programming set 2 Detailed Explanation And More Example

Question : 1

Window class, onActivate/2, defines

a) is executed when a window is becoming visible or is being hidden

b) when a window is being disabled or enabled this event is executed

c) this event is executed when the user switches to another window of the same application

d) when a window receives the keyboard focus this event is executed

Question : 2

Button in window programming

a) displays text and can be clicked with the mouse or spacebar

b) a checkmark which the user can select

c) a list from which one item can be selected.

d) area in which text may be entered.

Question : 3

Window class, onMouseMove/5 , defines

a) the window wants to know what cursor it must display for the mouse pointer

b) the mouse is moved over a window

c) when a mouse button is pressed this event is executed

d) a mouse button is released

Question : 4

These exist ——— panel windows inside the same frame window.

a) Several

b) Only one

c) None

d) None of these

Question : 5

Window class, onKBFocus/3, defines

a) is executed when a window is becoming visible or is being hidden

b) when a window is being disabled or enabled this event is executed

c) this event is executed when the user switches to another window of the same application

d) when a window receives the keyboard focus this event is executed

Question : 6

Window class, onShow/2, defines

a) is executed when a window is becoming visible or is being hidden

b) when a window is being disabled or enabled this event is executed

c) this event is executed when the user switches to another window of the same application

d) when a window receives the keyboard focus this event is executed