using visual basic and fill in the blank.

1) The __________________ class lets you create mutable strings.

2 Write the code that displays a custom dialog box named preferencesForm.

3) You use the __________________ structure to represent dates and times.

4) A typed SortedList collection uses a/an _____________ to access each element.

5)A two-dimensional array whose rows all have the same number of columns is called a ____________ array.

6) When you use a typed collection, you are taking advantage of a feature of the .NET Framework called ____________.

7) To resize a one-dimensional array and preserve the existing data, you can use the ________________ statement.

8) Another way to pass data between a form and a custom dialog box is to use the ________________ enumeration to set a value that is returned when the dialog box closes.

9)When the Close method of a form is executed, an event handler for the _______________ event can be used to stop the form from closing.