public void RedirectUrl(WebBrowser webBrowser)
{
IntPtr intptr = webBrowser.GetBrowserUrlHandler(webBrowser.GetBrowserForm());
StringBuilder strBuffer = new StringBuilder(1024);
int num = WinFormAPI.SendMessage(intptr, WinFormAPI.WM_GETTEXT, 1024, strBuffer);
string strURL = strBuffer.ToString().Trim('/').ToLower();
if (strURL.IndexOf(orginUrl) != -1)
{
strBuffer.Remove(0, strBuffer.Length);
strBuffer.Append(replaUrl);
WinFormAPI.SendMessage(intptr, WinFormAPI.WM_SETTEXT, 1024, strBuffer);
WinFormAPI.SendMessage(intptr, WinFormAPI.WM_KEYDOWN, WinFormAPI.VK_RETURN, 0);
}
}
