/// <summary>
/// nut refresh
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void toolStripButtonRefresh_Click(object sender, EventArgs e)
{
Gecko.GeckoWebBrowser web = tabControl1.SelectedTab.Controls[0] as Gecko.GeckoWebBrowser;
if (web != null)
{
web.Refresh();
}
}