private void btnC_Click(object sender, EventArgs e)
{
if (tbC.Text.Trim().Length > 0)
{
t.InsertRoot(tbC.Text.Trim());
}
}
private void btnC_Click(object sender, EventArgs e)
{
if (tbC.Text.Trim().Length > 0)
{
t.InsertRoot(tbC.Text.Trim());
}
}