1. In Playland example project, there is:

myImage.Source = myBitmapImage;

myImage.Source property is System.Windows.Media.ImageSource type. ImageSource class is an abstract class, and abstract class cannot be instantiated. So this line of code is incorrect.

True

False

2. mutex cannot be released once it's acquired by one thread.

True

False

3. To initialize a BitmapImage created using constructor public BitmapImage (), you must perform property initialization between BeginInit and EndInit calls.

True

False

4. In public Thread(ThreadStart start), ThreadStart is:

an event

a thread

a delegate

none of the above

5. Once a thread is aborted, it cannot be restarted.

True

False

6. Child elements of a Canvas are positioned at their designated coordinates, are not resizable.

True

False

7. Which Canvas property is used to get the rendered width of the Canvas?

Width

RenderedWidth

ActualWidth

CurrentWidth

8. Using multiple threads can

improve UI responsiveness

make use of multiple processors

help organize code

Two of these

Three of these