private void renameToolStripMenuItem_Click(object sender, EventArgs e)
{
if (listView3.SelectedItems.Count == 1)
{
Form2 Fm = new Form2();
Fm.NName = (listView3.SelectedItems[0].Tag as TFunc).FName;
if (Fm.ShowDialog() == DialogResult.OK)
MyGNIDA.RenameFunction((listView3.SelectedItems[0].Tag as TFunc), Fm.NName);
};
}