public void OnFuncChanged1(object sender, TFunc Func)
{
foreach(ListViewItem itm in listView3.Items)
if ((itm.Tag as TFunc).Equals(Func))
{
fastColoredTextBox1.BeginUpdate();
fastColoredTextBox1.Text = fastColoredTextBox1.Text.Replace(itm.Text, Func.FName);
fastColoredTextBox1.EndUpdate();
itm.Text = Func.FName;
}
}