Borland product certification 第11 - 20 道题(50分)

第11道题，共60道。 标记该题，以便检查
Which two of the following VCL components would be easiest to inherit from when creating a new visual control?

TWinControl
TCustomControl
TObject
TCustomGUIControl


第12道题，共60道。 标记该题，以便检查
All VCL components inherit from their CLX counterparts.

True
False


第13道题，共60道。 标记该题，以便检查
Which components are visual components in Delphi?

TColorDialog
TTabSheet
TTimer
TThread


第14道题，共60道。 标记该题，以便检查
Which of the following components have a TStrings descendant property?

TRadioGroup
TComboBox
TMemo
TControlBar


第15道题，共60道。 标记该题，以便检查
Form1 has Panel1 placed on it, and Button1 is placed on Panel1. Who owns Button1?

Form1
Panel1
Self
Application


第16道题，共60道。 标记该题，以便检查
What is the default value of the Sender parameter in an OnClick event handler for a TButton?


the current form
the button itself
the Application object
the control which had focus prior to the button being clicked


第17道题，共60道。 标记该题，以便检查
Which of these statements most accurately describes the TPaintBox component?

It is a browser component that displays both text and graphics from an HTML source.
It allows you to draw within a rectangular area of the form through the PaintBox's OnPaint event handler.
It is a transparent version of a Panel.
It is a non-visible control that provides access to the form's drawing canvas.


第18道题，共60道。 标记该题，以便检查
Which of the following is not a property of TAction?

Caption
ImageIndex
ImageList
Enabled


第19道题，共60道。 标记该题，以便检查
What does the "|" character (pipe symbol) do when it is specified in the text of the Hint property for a component?

It separates the Tool Tip hint text from the application hint text.
It concatenates the strings before and after it to build the hint that is displayed.
It acts as a comment character, text following the "pipe" is not displayed in hints.
It acts as a Carriage Return/Line Feed, causing the Tool Tip hint to be displayed on multiple lines.


第20道题，共60道。 标记该题，以便检查
A component's owner is responsible for freeing the component (calling Free), but the component itself is responsible for freeing any memory it allocated in it's destructor.

True
False

哪里有答案？

i dont know.....i want some people answer this

flow is my answner:
11 B
12 B
13 B
14 C
15 A
16 B
17 B
18 C
19 A
20 B

xkliu ,some question is mutileple choice.

BBBCB
BBAAA

some question had more than one answer

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