I would like to insert code into a pdf document but after I convert the image file to stream, I get the ArgumentNullException.
Buffer cannot be null.
Parameter name: buffer
Code:
using (PdfLoadedDocument pdfDocument = new PdfLoadedDocument(await file.OpenStreamForReadAsync()))
{
var imgFile = await installedFolder.GetFileAsync(@"PathToImage\MyImage.png");
using (Stream ms = await imgFile.OpenStreamForReadAsync())
{
pdfDocument.Pages[0].Graphics.DrawImage(PdfImage.FromStream(ms), 0, 0, 300, 170);
}
}