File Selection Dialog

A file selection dialog box is for selecting a file name. It contains the following elements:

• Files: It contains the filter for the file list when the dialog is first invoked. Later on, it contains the selected file name.
• File list: It contains a list of files that match the selected file type. Clicking on a file name selects this file. Double clicking on a file name selects the file and closes this dialog.
• List Files of Type: It can be used to choose a specific type of files to be listed in the file list.
• Directory: It displays a directory which can be changed.
• Directory list: It display a directory tree. Double click on a directory displays all its subdirectory and all the matched files in the file list.
• OK Button: Pressing it closes the dialog and returns the selected file name.
• Cancel Button: Pressing it cancels the file section.
• Show Hidden Files: Displays all hidden files in a directory.