/// <summary>
/// Raises event 'ChangeSelection'
/// </summary>
protected virtual void OnChangeSelection()
{
if (ChangeSelection != null)
{
ChangeSelection.Invoke(this, System.EventArgs.Empty);
}
}
public void UpdateSelectedItem(Items item)
{
if (SelectedItem != item)
{
SelectedItem = item;
ChangeSelection?.Invoke(item, EventArgs.Empty);
}
}
public void ValidateSelection()
{
if (selectionDirty)
{
SelectionRange selectionRange = GetSelectionRange();
selectionDirty = false;
ChangeSelection?.Invoke(this, selectionRange);
}
}
