1. What namespace is the .NET Canvas class located in?

System.Windows.UI

System.Windows.Controls

System.Windows.Canvas

System.Controls.UI

2. Classes are ____________ types

reference

value

abstract

binary

3. Consider the following try block. If x is 15, what is the value of a when this code completes?

try

{

a = 99;

if(x > 10)

throw(new Exception());

a = 0;

++a;

}

0

1

99

undefined

4. Consider the following catch blocks. The variable c has been initialized to 1. If an IndexOutOfRangeException occurs in a try block just before this catch block, what is the value of c when this code completes?

catch(IndexOutOfRangeException e)

{

++c;

}

catch(Exception e)

{

++c;

}

finally

{

++c;

}

0

1

2

3

5. Given the delegate declaration delegate voidPerformsSomeTask(intarg1,doublearg2); which of the following statements would appear to create a delegate instance of PerformsSomeTask( ) with no syntax errors?

PerformsSomeTask task1 =new PerformsSomeTask (CalculateThis);

PerformsSomeTask task1 =new PerformsSomeTask (CalculateThis( ));

PerformsSomeTask( ) task1 = new PerformsSomeTask (CalculateThis( ));

PerformsSomeTask( ) task1 =new PerformsSomeTask (CalculateThis(int, double));

PerformsSomeTask task1 =new PerformsSomeTask (CalculateThis(intarg1, doublearg2));