Sets the type of operation that the chooser is performing.
The user interface is adapted to suit the selected action.
For example, an option to create a new folder might be shown
if the action is %GTK_FILE_CHOOSER_ACTION_SAVE but not if the
action is %GTK_FILE_CHOOSER_ACTION_OPEN.
Sets the type of operation that the chooser is performing.
The user interface is adapted to suit the selected action.
For example, an option to create a new folder might be shown if the action is %GTK_FILE_CHOOSER_ACTION_SAVE but not if the action is %GTK_FILE_CHOOSER_ACTION_OPEN.