Hi,
Image.HorizontalResolution always returing 96dpi even image having more than that dpi. Please check below code that i have used to check.
PdfPageBase page;
Image[] pageImages;
for (int i= 0; i< doc.Pages.Count; i++)
{
page = doc.Pages[i];
pageImages = page.ExtractImages();
if (pageImages != null)
{
foreach (Image image in pageImages)
{
Console.WriteLine("Image Resolution :" + image.HorizontalResolution);
}
}
}