Chapter 5.7, Problem 5.34CP

Explanation of Solution

OpenFileDialog control:

• • The “OpenFileDialog” control displays a standard Windows “Open” dialog box.
• • The “Open” dialog box allows user to open the existing file because it helps to browse system and select the desired file.
• • To add an “OpenFileDialog” control to a form, the “OpenFileDialog” tool is been double-clicked under the “Dialogs” group in “Toolbox” window.
• • The control appears in component tray at bottom of “Designer”.
• • The default name given to control is “openFileDialog1”.
• • Some of the properties are listed below:
  • ○ InitialDirectory
  • ○ Title
  • ○ Filename
• • InitialDirectory:
  • ○ The open dialog box displays the contents of user’s document directory or folder.
  • ○ The path could be stored in “InitialDirectory” property to specify another directory to be initially displayed.
  • ○ The syntax for specification is shown below:

  openFile.InitialDirectory = "D: \\Info";

• • Title:
  • ○ The word “Open” is displayed in OpenFileDialog box title bar.
  • ○ To change the title, default text displayed in title bar.

  openFile.InitialDirectory = "D: \\Info";

openFile.Title = "My Title";

• • Filename:
  • ○ When user chooses a file with OpenFileDialog box, the file’s path and file name are stored in control’s Filename property.

SaveFileDialog control:

• • The “SaveFileDialog” control displays a standard Windows “Save As” dialog box...