private void ViewCalcFrequenceLetter(object sender, FrequencyEventArgs e)
{
IFrequency freq = securityManager.CalcFreq(e.SourceText);
view.SetFrequencyChart(freq.ConverToChart(), FrequencyTypeTask.Letter);
view.SetFrequencyDataGrid(freq.ConverToDataGridView(), FrequencyTypeTask.Letter);
view.SetFrequencyChart(freq.ConverToChart(true), FrequencyTypeTask.PairLetter);
view.SetFrequencyDataGrid(freq.ConverToDataGridView(true), FrequencyTypeTask.PairLetter);
}
