国产PDF管理控件Spire.PDF使用教程：在c#中从URL下载PDF文档

>>Spire.PDF更新至最新版v7.5，欢迎下载体验

C#

using System.IO;using System.Net;using Spire.Pdf;namespace DownloadPdfFromUrl{    class Program    {        static void Main(string[] args)        {            //Create a PdfDocument object            PdfDocument doc = new PdfDocument();            //Create a WebClient object            WebClient webClient = new WebClient();            //Download data from URL and save as memory stream            using (MemoryStream ms = new MemoryStream(webClient.DownloadData("http://www.e-iceblue.com/images/sample.pdf")))            {                //Load the stream                doc.LoadFromStream(ms);            }            //Save to PDF file            doc.SaveToFile("result.pdf", FileFormat.PDF);        }    }}

VB.NET

Imports System.IOImports System.NetImports Spire.PdfNamespace DownloadPdfFromUrl    Class Program        Shared  Sub Main(ByVal args() As String)            'Create a PdfDocument object            Dim doc As PdfDocument = New PdfDocument()            'Create a WebClient object            Dim webClient As WebClient = New WebClient()            'Download data from URL and save as memory stream            Imports(MemoryStream ms = New MemoryStream(webClient.DownloadData("http:'www.e-iceblue.com/images/sample.pdf")))            {                'Load the stream                doc.LoadFromStream(ms)            }            'Save to PDF file            doc.SaveToFile("result.pdf", FileFormat.PDF)        End Sub    End ClassEnd Namespace 

运行项目后结果：