g_file_query_default_handler (
  GFile* file,
  GCancellable* cancellable,
  GError** error


Returns the GAppInfo that is registered as the default application to handle the file specified by 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.


cancellable GCancellable

Optional GCancellable object, NULL to ignore.

 The argument can be NULL.
 The data is owned by the caller of the function.
error GError **
  The return location for a GError*, or NULL.

Return value

Returns: GAppInfo

A GAppInfo if the handle was found, NULL if there were errors. When you are done with it, release it with g_object_unref()

 The caller of the method takes ownership of the data, and is responsible for freeing it.