private void SaveImage_Button_Click(object sender, EventArgs e)
        {
            if (SaveFile_Dialog.ShowDialog() == DialogResult.OK)
            {
                using (var g = Graphics.FromImage(Image_PictureBox.Image))
                {
                    foreach (var el in Image_PictureBox.Controls)
                    {
                        var label = (Label)el;
                        g.DrawString(label.Text, DefaultFont, new SolidBrush(label.ForeColor),
                                     PointScaler.ScaleToSource(Image_PictureBox.Size, label.Location));
                    }
                }

                Image_PictureBox.Image.Save(SaveFile_Dialog.FileName);
            }
        }