Answers for Hour 19
| 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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