SampleApp.MainForm.generateMapButton_Click C# (CSharp) Method

        private void generateMapButton_Click(object sender, System.EventArgs e)
        {
            // get cities count
            try
            {
                citiesCount = Math.Max(5, Math.Min(50, int.Parse(citiesCountBox.Text)));
            }
            catch
            {
                citiesCount = 20;
            }
            citiesCountBox.Text = citiesCount.ToString();

            // regenerate map
            GenerateMap();
        }