private void RadioButtonCheckedChanged(object sender, EventArgs e)
{
if (this.radioButtonBasic.Checked)
{
this.comboBoxBasic.Enabled = true;
this.comboBoxSkill.Enabled = false;
this.comboBoxBasic.SelectedIndex = Math.Max(0, this.comboBoxBasic.SelectedIndex);
}
else
{
this.comboBoxBasic.Enabled = false;
this.comboBoxSkill.Enabled = true;
this.comboBoxSkill.SelectedIndex = Math.Max(0, this.comboBoxSkill.SelectedIndex);
}
}