diff -r 913c9751c067 -r 716254ccbcc0 org.symbian.tools.wrttools.doc.WebDeveloper/html/GUID-2EBDD073-499C-4A1E-A0DA-4FF8243A6479.html --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/org.symbian.tools.wrttools.doc.WebDeveloper/html/GUID-2EBDD073-499C-4A1E-A0DA-4FF8243A6479.html Fri Mar 05 19:11:15 2010 -0800 @@ -0,0 +1,72 @@ + + +IMessaging.Cancel()

IMessaging.Cancel()

+

Description:

+

The Cancel method cancels an outstanding asynchronous Send or RegisterNotification call.

+

Note: To cancel a RegisterNotification call, use CancelNotification instead, +as it provides a more convenient way of doing this.

+
+

This is a synchronous method.

+

Syntax:

+
result = so.IMessaging.Cancel(criteria);
+

Arguments:

+
    +
  • criteria:

    + +

    This is an object with the TransactionID property +(number). criteria.TransactionID specifies the transaction +ID of the Send or RegisterNotification call +to cancel. The transaction ID is the result.TransactionID value +that was returned as part of the result of the initial call.

    +

    + +

  • +
+

Return value:

+

The Cancel method returns an object that contains +an error code and an error message.

+
+ + + + + + + + + + + + + + + + +
Table: Return value +properties for Cancel
+

Property

+
+

Description

+
+

Value

+
+

result.ErrorCode

+
+

This is a number that specifies a predefined error code.

+
+

See Service API error codes.

+
+

result.ErrorMessage

+
+

This is a text string that describes the error.

+
+

See Messaging Service API error messages.

+
+

Example code:

+

+

For the complete source of a sample widget that demonstrates how to +use this Service API, see the full example.

+
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