fillAsync
open fun fillAsync(count: Long, ioPriority: <Error class: unknown class>, cancellable: Cancellable? = null, callback: AsyncReadyCallback?)
Reads data into @stream's buffer asynchronously, up to @count size.
Parameters
count
the number of bytes that will be read from the stream
ioPriority
the iface.AsyncResult.html#io-priority of the request
cancellable
optional class@Gio.Cancellable object
callback
a callback@Gio.AsyncReadyCallback