private void buttonCount_Click(object sender, RoutedEventArgs e)
{
try
{
lblNResult.Content = CountClass.GetWordsByLength(txtMain.Text, Int32.Parse(txtNCount.Text));
lblLetterResult.Content = CountClass.GetCharacterOccurrences(txtMain.Text, Convert.ToChar(txtLetterRepeat.Text));
}
catch (FormatException)
{
MessageBox.Show("Format Exception. Please, check entered data.");
}
}
