protected void addButtonListener(){
  ApplicationInsightsAddDialog dialog=new ApplicationInsightsAddDialog(getShell());
  dialog.open();
  tableViewer.refresh();
}

protected void addButtonListener ( ) { ApplicationInsightsAddDialog dialog = new ApplicationInsightsAddDialog ( getShell ( ) ) ; dialog . open ( ) ; tableViewer . refresh ( ) ; }
method opens dialog to add existing application insights resource in list .
