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Classification: |
C++ |
Category: |
Development |
Created: |
02/13/2001 |
Modified: |
07/22/2003 |
Number: |
FAQ-0698 |
Platform: |
Not Applicable |
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Question: When writing a UIQ application (particularly when migrating a Symbian OS app to UIQ) does it matter whether I derive my document and app UI classes from CEikDocument / CEikAppUI or CQikDocument / CQikAppUI
Answer: It is very important that you derive your document class from CQikDocument. As you know, the user does not manually close
applications. When the Quartz device runs low on memory it sends a notification to apps so that they can close and free up
space. Unless you derive from CQikDocument your app won't get this notification.
As for QikAppUI, this is less important but should still be used. It adds support for things such as categories on the right
hand side of menus.
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