The type of operation that the file chooser is performing.
The text used for the label on the cancel button in the dialog, or %NULL to use the default text.
Whether a file chooser not in %GTK_FILE_CHOOSER_ACTION_OPEN mode will offer the user to create new folders.
The current filter for selecting files that are displayed.
Whether the window should be modal with respect to its transient parent.
Whether to allow multiple files to be selected.
The title of the dialog window
The transient parent of the dialog, or %NULL for none.
Whether the window is currently visible.
The text used for the label on the accept button in the dialog, or %NULL to use the default text.