UninstallAction (install4j API)
Keywords: com.install4j.api.UninstallAction class

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## com.install4j.api
Class UninstallAction

    java.lang.Object
      com.install4j.api.CustomAction
          com.install4j.api.UninstallAction

    public abstract class UninstallAction

extends CustomAction

All uninstall actions must be derived from this class. You have to implement all abstract methods and provide a public constructor with no arguments.

Author:
  ej-technologies GmbH

Constructor Summary
`UninstallAction()`

Method Summary
`boolean` | `performAction(Context context, ProgressInterface progressInterface)` Override this method to perform the custom action in the uninstallation wizard.

Methods inherited from class com.install4j.api.CustomAction
`getPercentOfTotalInstallation`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### UninstallAction

    public UninstallAction()

Method Detail

### performAction

    public boolean performAction(Context context,
                                 ProgressInterface progressInterface)

  Override this method to perform the custom action in the uninstallation wizard.

  Note: For unattended installations, the `performUnattendedAction` method is called instead.

  Parameters:
    `context` - the context of the uninstallation process.
    `progressInterface` - an interface to display progress and messages.
  Returns:
    should return true, if successful. If it returns false, the uninstallation process will be aborted.

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