open_containing_folder

Description:

public async bool open_containing_folder (Window? parent, Cancellable? cancellable) throws Error

Launches a file manager to show the file in its parent directory.

This is only supported for native files. It will fail if file is e.g. a http:// uri.

this	a file launcher
parent	the parent window
cancellable	a cancellable to cancel the operation
callback	a callback to call when the operation is complete
user_data	data to pass to `callback`