Gio.File.prototype.open_readwrite_async

function open_readwrite_async(io_priority: Number(gint), cancellable: Gio.Cancellable, callback: Gio.AsyncReadyCallback): void {
    // Gjs wrapper for g_file_open_readwrite_async()
}
  

Asynchronously opens file for reading and writing.

For more details, see Gio.File.prototype.open_readwrite which is the synchronous version of this call.

When the operation is finished, callback will be called. You can then call Gio.File.prototype.open_readwrite_finish to get the result of the operation.

Since 2.22