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public static string CreatePdfFromIEnhanceMetaFile(List<string> filePath, string outPath)
		{
			if (filePath == null)
				throw new ArgumentNullException();

			if (outPath == null)
				throw new ArgumentNullException();
			try
			{

				int imagePdfObject;
				if (!CreateBlankDocument(out imagePdfObject))
					return string.Empty;

				//loop thru each individual pages and add them to our pdf blank document
				foreach (string filePage in filePath)
				{

					Metafile metafile = new Metafile(filePage);
					// Get the handle of the enhanced metafile.
					IntPtr hEmf = metafile.GetHenhmetafile();

					try
					{
						int iPdfImage;
						int iPdfPage;
						if (IsFailed(PdfXCFunctions.PXC_AddEnhMetafile(imagePdfObject, hEmf, out iPdfImage)))
							return string.Empty;

						
						double imageWidth;
						double imageHeight;
						if (IsFailed(PdfXCFunctions.PXC_GetImageDimension(imagePdfObject, iPdfImage, out imageWidth, out imageHeight)))
							return string.Empty;

						int updatedHeight;
						int updatedWidth;
						MakeProportionalSize(imageWidth, imageHeight, out updatedWidth, out updatedHeight);

						if (IsFailed(PdfXCFunctions.PXC_AddPage(imagePdfObject, updatedWidth, updatedHeight, out iPdfPage)))
							return string.Empty;

						if (IsFailed(PdfXCFunctions.PXC_PlaceImage(iPdfPage, iPdfImage, 0, updatedHeight, updatedWidth, updatedHeight)))
							return string.Empty;
					}
					finally
					{
						//delete the handle
						DeleteEnhMetaFile(hEmf); //free handle  
					}

				}
				//now write to a document if we fail return empty string
				if (!WriteDocumentExA(outPath, imagePdfObject))
					return string.Empty;
			}
			catch (Exception)
			{
				return string.Empty;
			}

			return outPath;
		}