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Most of operations in the WWSAPI can be canceled during execution.
Which function you use to cancel an operation depends on the object affected.
| Function | Description |
|---|---|
| WsAbortChannel | Cancels all pending input and output on a specified channel and sets the channel state to WS_CHANNEL_STATE_FAULTED. |
| WsAbortListener | Cancels all pending input and output on a specified listener. |
| WsAbortServiceProxy | Cancels all pending input and output on a specified service proxy. |
| WsAbortServiceHost | Interrupts and discontinues current operations on the service host. |
| WsAbandonCall | Abandons a call, a specified call on a specified service proxy. |
For information on cancellations that affect server side service operations and service-model callbacks, see Call Cancellation.