get_value_async

Description:

public async void get_value_async (string section, string name, int timeout_ms, Cancellable? cancellable)

Get the value of a configuration option asynchronously.

this	An Config
section	Section name of the configuration option.
name	Name of the configure option.
timeout_ms	The timeout in milliseconds or -1 to use the default timeout.
cancellable	A Cancellable or `null`.
callback	Callback function to invoke when the return value is ready.
user_data	The data to pass to callback.