private void ButtonDeleteTab_Click(object sender, EventArgs e)
{
if (ListTabs.SelectedIndex > -1 && !string.IsNullOrEmpty(ListTabs.SelectedItem.ToString()))
{
string tb = ListTabs.SelectedItem.ToString();
int idx = ListTabs.SelectedIndex;
if (((TweenMain)this.Owner).RemoveSpecifiedTab(tb, true))
{
ListTabs.Items.RemoveAt(idx);
idx -= 1;
if (idx < 0) idx = 0;
ListTabs.SelectedIndex = idx;
}
}
}