Hello
For loading pdf files ,i know there is a pdf SDK which supports to detailed tutorial,and here is the code to
load pdf file.you can have a try.Or you can just visit the pdf SDK:
Hope to help you.
public static string FolderName = "c:/";
private void button1_Click(object sender, EventArgs e)
{
string fileName = FolderName + "Sample.pdf";
REDocument doc = REFile.OpenDocumentFile(fileName, new PDFDecoder());//use PDFDecoder open a pdf file
BasePage aPage = doc.GetPage(0);//get page from REDocument
REImage img = (REImage)aPage.ToImage();//translate page to image
}