Answers for Hour 19

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1:	True or False: The Open File dialog box automatically opens a file.
A1:	False. The control returns the name of the file the user wants to open, but it doesn't open the file.
2:	What symbol is used to separate a filter description from its extension?
A2:	The pipe ( ) symbol
3:	What objects are used to manipulate files?
A3:	System.IO.File and System.IO.FileInfo
4:	What arguments are required by System.IO.File.Copy()?
A4:	Two arguments are required. The first is the name of the current file; the second is the name of the file to create as a result of the copy.
5:	How would you rename a file?
A5:	Use System.IO.File.Move(), using the same path but a different filename.
6:	True or False: Files deleted with System.IO.File.Delete() are sent to the Recycle Bin.
A6:	False
7:	What objects are used to manipulate folders?
A7:	System.IO.Directory and System.IO.DirectoryInfo. Sometimes Microsoft calls them folders, sometimes directories. In .NET, however, it's usually directory.

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