initiates asynchronous execution of the specified command on a device, calling the handler function fun when an event occurs.
executes the command with the parameters params.
- A device can be specified either by a DeviceObject or by a string representing a device class.
- DeviceExecuteAsynchronous is a non-blocking function that returns an AsynchronousTaskObject.
- The parameters params can be given either as a list of raw parameters or as an association or list of rules giving names and values of parameters.
- The form in which specifications of events are fed to the handler function varies from one device to another.
Basic Examples (1)
Asynchronously read from a demo device that retrieves cookies from a specified URL, calling URLFetchAsynchronous in the background: