private void searchValuesComboBox_TextChanged(object sender, TextChangedEventArgs e)
 {
     valueCountTextBox.Text = "";
     try
     {
         var searchValue = int.Parse(this.searchValuesComboBox.Text);
         this.valueCountTextBox.Text = Ex3dCalculations.ValueCount(values, searchValue).ToString();
     }
     catch
     {
     }
 }
 private void searchRangesComboBox_TextChanged(object sender, TextChangedEventArgs e)
 {
     rangeCountTextBox.Text = "";
     try
     {
         int    dashIndex    = this.searchRangesComboBox.Text.IndexOf('-');
         string strSearchMin = this.searchRangesComboBox.Text.Substring(0, dashIndex).Trim();
         string strSearchMax = this.searchRangesComboBox.Text.Substring(dashIndex + 1).Trim();
         int    searchMin    = int.Parse(strSearchMin);
         int    searchMax    = int.Parse(strSearchMax);
         this.rangeCountTextBox.Text = Ex3dCalculations.RangeCount(values, searchMin, searchMax).ToString();
     }
     catch
     {
     }
 }
 private void Window_Loaded(object sender, RoutedEventArgs e)
 {
     this.valuesTextBox.Text =
         Ex3dCalculations.ArrayToString(this.values);
 }