调用SHDocVw实现网页缩放

来源：互联网发布：认识制作优化石真语编辑：程序博客网时间：2024/04/19 09:42

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using SHDocVw;
namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {

        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

         //webBrowser1.Navigate("http://218.58.63.45:8080");
            webBrowser1.Url = null;
            Uri u = new Uri("http://news.sina.com.cn/c/2015-03-13/015131600863.shtml");
            webBrowser1.Url = u;
        //    webBrowser1.ScriptErrorsSuppressed = false;
        //    webBrowser1.ScrollBarsEnabled = false;
        }

        private void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
        {
            int zoomFactor = 30;

            ((SHDocVw.WebBrowser)webBrowser1.ActiveXInstance).ExecWB(SHDocVw.OLECMDID.OLECMDID_OPTICAL_ZOOM,
              SHDocVw.OLECMDEXECOPT.OLECMDEXECOPT_DONTPROMPTUSER, zoomFactor, IntPtr.Zero);

        }

}
}

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