monitor
Description:
[ Version ( since = "2.18" ) ]
public FileMonitor monitor (FileMonitorFlags flags, Cancellable? cancellable = null) throws Error
public FileMonitor monitor (FileMonitorFlags flags, Cancellable? cancellable = null) throws Error
Obtains a file or directory monitor for the given file, depending on the type of the file.
If cancellable
is not null, then the operation can be cancelled by triggering the cancellable
object from another thread. If the operation was cancelled, the error g_io_error_cancelled will be returned.
Example: File monitoring:
public static int main () {
try {
File file = File.new_for_path (Environment.get_home_dir ());
FileMonitor monitor = file.monitor (FileMonitorFlags.NONE, null);
print ("Monitoring: %s\n", file.get_path ());
monitor.changed.connect ((src, dest, event) => {
if (dest != null) {
print ("%s: %s, %s\n", event.to_string (), src.get_path (), dest.get_path ());
} else {
print ("%s: %s\n", event.to_string (), src.get_path ());
}
});
new MainLoop ().run ();
} catch (Error err) {
print ("Error: %s\n", err.message);
}
return 0;
}
valac --pkg gio-2.0 GLib.File.monitor.vala
Parameters:
this |
input File |
flags |
a set of FileMonitorFlags |
cancellable |
optional Cancellable object, null to ignore |
Returns:
a FileMonitor for the given this, or null on error. Free the returned object with unref. |