CairoSamples.Form1.saveAsPngToolStripMenuItem_Click C# (CSharp) Метод

        private void saveAsPngToolStripMenuItem_Click(object sender, EventArgs e)
        {
            SaveFileDialog dialog = new SaveFileDialog();
            dialog.Filter = "PNG|*.png";
            dialog.FileName = lastSelected;
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                using (this.Graphics1 = this.CreateGraphics())
                using (Surface1 = new Win32Surface(Graphics1.GetHdc()))
                using (Context1 = new Context(Surface1))
                {
                    Surface1.WriteToPng(dialog.FileName);
                }
            }
        }