Get a System.Drawing.Image from the Windows Clipboard

ClipboardHelper.cs

namespace TestWindowsApplicaton
{


    public class ClipboardHelper
    {


        private const uint CF_METAFILEPICT = 3;
        private const uint CF_ENHMETAFILE = 14;

        [System.Runtime.InteropServices.DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto, ExactSpelling = true)]
        private static extern bool OpenClipboard(System.IntPtr hWndNewOwner);

        [System.Runtime.InteropServices.DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto, ExactSpelling = true)]
        private static extern bool CloseClipboard();

        [System.Runtime.InteropServices.DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto, ExactSpelling = true)]
        private static extern System.IntPtr GetClipboardData(uint format);

        [System.Runtime.InteropServices.DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto, ExactSpelling = true)]
        private static extern bool IsClipboardFormatAvailable(uint format);



        private static System.Drawing.Image GetGenericClipboardImage()
        {
            System.Drawing.Image img = null;

            if (System.Windows.Forms.Clipboard.ContainsImage())
            {
                img = System.Windows.Forms.Clipboard.GetImage();
            }

            return img;
        } // End Function GetGenericClipboardImage 


        private static System.Drawing.Image GetClipboardBitmap()
        {
            System.Drawing.Bitmap bitmap = null;

            System.Windows.Forms.IDataObject data = System.Windows.Forms.Clipboard.GetDataObject();
            if (data == null)
                return bitmap;

            if (data.GetDataPresent(System.Windows.Forms.DataFormats.Bitmap))
            {
                bitmap = (data.GetData(System.Windows.Forms.DataFormats.Bitmap, true) as System.Drawing.Bitmap);
            }

            return bitmap;
        } // End Function GetClipboardBitmap 


        // https://stackoverflow.com/questions/18602171/copy-enhanced-metafile-from-clipboard-and-save-it-as-an-image
        private static System.Drawing.Image GetClipboardMetafile()
        {
            System.Drawing.Imaging.Metafile emf = null;
            if (OpenClipboard(System.IntPtr.Zero))
            {
                try
                {
                    if (IsClipboardFormatAvailable(CF_ENHMETAFILE))
                    {
                        System.IntPtr ptr = GetClipboardData(CF_ENHMETAFILE);
                        if (!ptr.Equals(System.IntPtr.Zero))
                            emf = new System.Drawing.Imaging.Metafile(ptr, true);
                    }
                }
                catch (System.Exception)
                {
                    CloseClipboard();
                    throw;
                }

                // You must close ir, or it will be locked
                CloseClipboard();
            }

            return emf;
        } // End Function GetClipboardMetafile 


        public static System.Drawing.Image GetClipboardImage()
        {
            System.Drawing.Image img = null;

            img = GetGenericClipboardImage();
            if (img != null)
                return img;

            img = GetClipboardBitmap();
            if (img != null)
                return img;

            img = GetClipboardMetafile();
            return img;
        } // End Function GetClipboardImage 


    } // End Class ClipboardHelper


} // End Namespace TestWindowsApplicaton