Questions and answers for exam Preparation

MCQs

Total Questions : 41 | Page 2 of 5 pages

Question 11. Panels is

Discuss Question

Answer: Option B. -> the interior of a frame window
Answer: (b)

Question 12. Window class, onEraseBackground/1, defines

is executed when a visible window is being created
is executed when a window is being closed, it is possible to prevent the window from closing
when the background of a window must be erased this event is executed
when a window must be re-painted this event is executed

Discuss Question

Answer: Option C. -> when the background of a window must be erased this event is executed
Answer: (c)

Question 13. Window class, onPaint/2, defines

is executed when a visible window is being created
is executed when a window is being closed, it is possible to prevent the window from closing
when the background of a window must be erased this event is executed
when a window must be re-painted this event is executed

Discuss Question

Answer: Option D. -> when a window must be re-painted this event is executed
Answer: (d)

Question 14. Controls are

Discuss Question

Answer: Option C. -> windows used for input/output that are placed on a panel window
Answer: (c)

Question 15. Window class, onSize/2, defines

during the processing of a key this event is executed with the ASCII value of the key pressed
a menu command was selected
a menu item is selected
a window was resized

Discuss Question

Answer: Option D. -> a window was resized
Answer: (d)

Question 16. Window class, onMove/2, defines

Discuss Question

Answer: Option A. -> a window is moved to a new position
Answer: (a)

Question 17. Window class, on Close/2

is executed when a visible window is being created
is executed when a window is being closed, it is possible to prevent the window from closing
when the background of a window must be erased this event is executed
when a window must be re-painted this event is executed

Discuss Question

Answer: Option B. -> is executed when a window is being closed, it is possible to prevent the window from closing
Answer: (b)

Question 18. SizerClient in window programming ?

this type of sizer ensures that a panel window fills the complete client rectangle of a frame window
this sizer class makes a panel ‘stick’ to one side of a frame window and the size of the panel window is a fixed number of pixels.
this sizer ensures that a panel window is percentage of the size of a frame window.
None of these

Discuss Question

Answer: Option A. -> this type of sizer ensures that a panel window fills the complete client rectangle of a frame window
Answer: (a)

Question 19. SizerPercent in window programming

this type of sizer ensures that a panel window fills the complete client rectangle of a frame window
this sizer class makes a panel ‘stick’ to one side of a frame window and the size of the panel window is a fixed number of pixels.
this sizer ensures that a panel window is percentage of the size of a frame window.
None of these

Discuss Question

Answer: Option C. -> this sizer ensures that a panel window is percentage of the size of a frame window.
Answer: (c)

Question 20. Window class, onMouseDown/5, defines