IDataChangeNotification

Overview

This is a FUTURE topic
<span style="color:#c0c0c0">Information provided on this page is based on a possible future version of the product, and may be subject to change or removal before it ships.</span>

IDataChangeNotification can be used for implementing automatic distributing changes made on the server among all its clients.

Client can subscribe the data change notification and receive the delta with changes from the server side and merge it with local tables in order to have the latest changes.

Location

• Reference: DataAbstract4_Intf.h
• Namespace: DataAbstract
• Ancestry: IDataChangeNotification

Required Methods

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Callback method that will be called when the client receives the IDataChangeNotification.

- (void) OnDataTableChanged:(NSString *)aTableName :(NSData *)aDelta

Parameters:

• aTableName: name of the changed table
• aDelta: delta which contains all changes

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