public List <ColumnConfig> RestoreColumnConfig(ListViewConfig initial, ListViewConfig active)
{
var columnMismatch = false;
if (initial.Columns.Count == active.Columns.Count)
{
var comparer = new StrictKeyEqualityComparer <ColumnConfig, string>(x => x.Name);
columnMismatch = !initial.Columns.SequenceEqual(active.Columns, comparer);
}
// if column count miss match or column missmatch replace columns with initial.
if (initial.Columns.Count != active.Columns.Count ||
columnMismatch)
{
active.Columns = initial.Columns.ToList(); // copy initial columns to active.
}
return(active.Columns);
}
private static int ColumnCount(ListViewConfig lvc)
{
return(lvc != null && lvc.Columns != null ? lvc.Columns.Count : 0);
}