/// <summary>
/// Restore default exclusion list.
/// </summary>
/// <param name="sender">system parameter</param>
/// <param name="e">system parameter</param>
private void btnRestoreDefaults_Click(object sender, EventArgs e)
{
lstExclusions.Items.Clear();
filterItems = FilterItem.ConvertStringToFilterItems(Constants.DefaultFilterItems);
LoadExclusions();
}