private void Add_Click(object sender, EventArgs e)
{
if (NewValue.Text.Trim() != "")
{
checkedListBox1.Items.Add(NewValue.Text);
NewValue.Text = "";
}
else
{
MessageBox.Show("请输入一个字符串！");
NewValue.Focus();
}
}
private void ResetButtonOnClick(object?sender, RoutedEventArgs e)
{
NewValue.Value = (double)Modifier.OldValue;
NewValue.Focus();
}
