public ucIPRanges()
{
InitializeComponent();
new TabOrderManager(this).SetTabOrder(TabOrderManager.TabScheme.AcrossFirst);
foreach (ColumnHeader column in listObjects.Columns)
{
if (column.Tag == null)
continue;
if ((string) column.Tag == "Numeric")
listObjects.SetNumericSortOrder(column.Index);
}
}