Use the following functions to open and close switching devices and obtain information about the switch block:
Function |
Description |
---|---|
Closes the switching device and invalidates the specified switch handle. | |
Queries the device driver and returns information about the capabilities of the device driver and the switch controlled by it. | |
Opens the switching device and returns a switch handle. |
All functions in the Switching service are synchronous.
Refer to Opening a switch handle and Closing a switch handle for more information.