private void HandleVisibleColumnsChanged()
{
if (AssociatedObject == null)
{
return;
}
// Not using LINQ to improve UI responsiveness...
// ReSharper disable once ForCanBeConvertedToForeach
foreach (var columnName in _columnsName)
{
_columns[columnName].Visibility = Visibility.Hidden;
}
var visibleColumns = VisibleColumns.ToArray();
for (var i = 0; i < visibleColumns.Length; i++)
{
var column = _columns[visibleColumns[i]];
var oldIndex = AssociatedObject.Columns.IndexOf(column);
var newIndex = i;
column.Visibility = Visibility.Visible;
if (oldIndex != newIndex)
{
AssociatedObject.Columns.RemoveAt(oldIndex);
AssociatedObject.Columns.Insert(newIndex, column);
}
}
}