FileLoader.loadAsync

void loadAsync(int  ioPriority,  gio.cancellable.Cancellable cancellable =  null,  gio.types.FileProgressCallback progressCallback =  null,  gio.types.AsyncReadyCallback callback =  null)

Loads asynchronously the file or input stream contents into the #GtkSourceBuffer. See the #GAsyncResult documentation to know how to use this function.

Parameters

`ioPriority`	the I/O priority of the request. E.g. glib.types.PRIORITY_LOW, glib.types.PRIORITY_DEFAULT or glib.types.PRIORITY_HIGH.
`cancellable`	optional #GCancellable object, null to ignore.
`progressCallback`	function to call back with progress information, or null if progress information is not needed.
`callback`	a #GAsyncReadyCallback to call when the request is satisfied.