OpenFileDialog P_GetFile = new OpenFileDialog(); //创建打开文件对话框对象
DialogResult P_dr = P_GetFile.ShowDialog(); //显示打开文件对话框
if (P_dr == DialogResult.OK) //是否单击确定
{
this.webBrowser1.Navigate(P_GetFile.FileName); //打开Word文档并显示
}

webbrowser