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WS_CLOSE_CHANNEL_CALLBACK callback function (webservices.h)

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Handles the WsCloseChannel call for a WS_CUSTOM_CHANNEL_BINDING.

Syntax

WS_CLOSE_CHANNEL_CALLBACK WsCloseChannelCallback;

HRESULT WsCloseChannelCallback(
  [in]           void *channelInstance,
  [in, optional] const WS_ASYNC_CONTEXT *asyncContext,
  [in, optional] WS_ERROR *error
)
{...}

Parameters

[in] channelInstance

The pointer to the state specific to this channel instance, as created by the WS_CREATE_CHANNEL_CALLBACK.

[in, optional] asyncContext

Information on how to invoke the function asynchronously, or NULL if invoking synchronously.

[in, optional] error

Specifies where additional error information should be stored if the function fails.

Return value

Return code Description
WS_S_ASYNC
 The asynchronous operation is still pending.
WS_E_OPERATION_ABORTED
 The close was aborted by a call to WsAbortChannel as it was closing.
WS_E_INVALID_OPERATION
 The channel was in an inappropriate state.
WS_E_OPERATION_ABORTED
 The operation was aborted.
WS_E_INVALID_OPERATION
 The operation is not allowed due to the current state of the object.
WS_E_ENDPOINT_DISCONNECTED
 The connection with the remote endpoint was terminated.
WS_E_ENDPOINT_FAILURE
 The remote endpoint could not process the request.
WS_E_INVALID_FORMAT
 The input data was not in the expected format or did not have the expected value.
WS_E_OPERATION_TIMED_OUT
 The operation did not complete within the time allotted.
WS_E_QUOTA_EXCEEDED
 A quota was exceeded.
E_OUTOFMEMORY
 Ran out of memory.
E_INVALIDARG
 One or more arguments are invalid.
Other Errors
This function may return other errors not listed above.

Remarks

See WsCloseChannel for information about the contract of this API.

Requirements

Requirement Value
Minimum supported client Windows 7 [desktop apps only]
Minimum supported server Windows Server 2008 R2 [desktop apps only]
Target Platform Windows
Header webservices.h