## install4j API documentation

## com.install4j.api.actions
Interface UninstallAction

All Superinterfaces:
  Action, Bean

All Known Subinterfaces:
  AutoUninstallAction

All Known Implementing Classes:
  AbstractInstallOrUninstallAction, AbstractUninstallAction

    public interface UninstallAction

extends Action

All uninstall actions must implement this interface. You have to override all methods and provide a public constructor with no arguments. It is recommended that you choose one of the derived abstract classes as a super class.

Author:
  ej-technologies GmbH

Method Summary
`boolean` | `uninstall(UninstallerContext context)` This method is called by the framework to perform the action during uninstallation.

Methods inherited from interface com.install4j.api.actions.Action
`init`

Method Detail

### uninstall

    boolean uninstall(UninstallerContext context)
                      throws UserCanceledException

  This method is called by the framework to perform the action during uninstallation. You can use the `ProgressInterface` available from `context.getProgressInterface()` in order to display messages to the user or ask simple questions.

  Parameters:
    `context` - the context of the uninstallation.
  Returns:
    should return `true` if successful. If it returns `false`, the error message and the failure strategy for the action configured in the install4j GUI will be used by the uninstaller.
  Throws:
    `UserCanceledException` - You can let these exceptions pass through, they will be handled by the framework.