private void generateMosaic() { int pixelSize; int.TryParse(textBoxPixelSize.Text, out pixelSize); if (pixelSize <= 0 || pixelSize > 50) { MessageBox.Show("Image size is not in the range (1-50)"); } else { m_Mosaic.GenerateMosaicFromList(m_Bitmaps, pixelSize); pictureBoxMosaic.Image = m_Mosaic.ImageMosaic; } }