window programming set 2 Detailed Explanation And More Example

Question : 1

Window class, onCreate/1 ,defines

a) is executed when a visible window is being created

b) is executed when a window is being closed, it is possible to prevent the window from closing

c) when the background of a window must be erased this event is executed

d) when a window must be re-painted this event is executed

Question : 2

Frames is

a) the exterior of a window.

b) the interior of a frame window.

c) windows used for input/output that are placed on a panel window

d) None of these

Question : 3

Label in window programming

a) does nothing except draw a rectangle, it is used to visually group controls together

b) displays text

c) for input of multiple lines of text

d) none of these

Question : 4

Window class, onHScroll/3, defines

a) a window is moved to a new position

b) the user wants to view a floating popup menu for the window

c) an event from the vertical scrollbar of the window

d) an event from the horizontal scrollbar of the window

Question : 5

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 : 6

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.