private void barButtonItem12_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
UserControl.FormHelp pn = new UserControl.FormHelp();
pn.ShowDialog();
}
private void btnTroGiup_Click(object sender, EventArgs e)
{
FormHelp pn = new FormHelp();
pn.Show();
}
private void btnTroGiup_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
UserControl.FormHelp help = new UserControl.FormHelp();
help.ShowDialog();
}