private void button1_Click(object sender, EventArgs e) { this.Cursor = Cursors.WaitCursor; pieChart1.Series = new LiveCharts.SeriesCollection(); zipfProcessTr.FindAddsOfWords(); zipfProcessTr.InitAddlist(); zipfProcessTr.CalculateAfrequency(); NewChartLoadByAFrequency(zipfProcessTr); LoadListbox(); this.Cursor = Cursors.Default; }