Questions And Answers for PowerBuilder CPD Exam

Question

A window event/function has the following script:
WINDOW lw_MyWindow
lw_MyWindow = PARENTWINDOW

 [A] No matter where you code it, it will result in compilation error unless you call this on a MENU object.
 [B] Refers to the parent window, i.e., MDI window if this window is opened as a sheet in the MDI window. Otherwise, it referrs to NULL.
 [C] Refers to the associated WINDOW.
 [D] Since, window doesn't have a PARENT, it refers to the WINDOW itself in which it is called.

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Answer

The correct answer is: A, C

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Explanation

PARENTWINDOW is a pronoun used in the menu to refer to the associated Window. However, Window has a function ParentWindow(), which is typically called to get the MDI window reference in which that window is opened as a sheet.

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