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Further Extensions

We recommend using Extension Points and Controller Extensions as the preferred standard approaches to customize applications. Consider the mechanisms below only in the following cases:

• You need a specialized extension that toggles the visibility of controls in your custom application.

• You need to make fundamental changes to your view or your controller’s behavior, and the standard extension mechanisms aren’t sufficient.

• View Modification
  View modification lets you change specific properties of controls in standard views without altering the structure of the view itself.
• View Replacement
  View replacement lets you completely substitute an existing view in a standard application with your own custom implementation. This powerful extension mechanism gives you full control over the UI structure and behavior when other customization approaches aren’t sufficient.
• Controller Replacement
  Controller replacement lets you completely substitute an existing controller with a custom implementation. This approach gives you full control over the controller logic.

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