text: public byte[] GetThumbnailAsWMF(){if (!(ClipboardFormatTag == CFTAG_WINDOWS))throw new HPSFException("Clipboard Format Tag of Thumbnail must " +"be CFTAG_WINDOWS.");if (!(GetClipboardFormat() == CF_METAFILEPICT))throw new HPSFException("Clipboard Format of Thumbnail must " +"be CF_METAFILEPICT.");else{byte[] thumbnail = this.ThumbnailData;int wmfImageLength = thumbnail.Length - OFFSet_WMFDATA;byte[] wmfImage = new byte[wmfImageLength];System.Array.Copy(thumbnail,OFFSet_WMFDATA,wmfImage,0,wmfImageLength);return wmfImage;}}