import org.argeo.security.ui.UserHomePerspective;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.argeo.security.ui.UserHomePerspective;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
try {
HandlerUtil.getActiveSite(event).getWorkbenchWindow()
.openPage(UserHomePerspective.ID, null);
try {
HandlerUtil.getActiveSite(event).getWorkbenchWindow()
.openPage(UserHomePerspective.ID, null);