/// <summary>
/// Raises the <see cref="E:ItemsAdding"/> event.
/// </summary>
/// <param name="e">The <see cref="ItemsAddingEventArgs"/> instance containing the event data.</param>
protected virtual void OnItemsAdding(ItemsAddingEventArgs e)
{
if (this.ItemsAdding != null)
{
this.ItemsAdding(this, e);
}
}
/// <summary>
/// Add the given collection of model objects to this control.
/// </summary>
/// <param name="modelObjects">A collection of model objects</param>
/// <remarks>
/// <para>The added objects will appear in their correct sort position, if sorting
/// is active. Otherwise, they will appear at the end of the list.</para>
/// <para>No check is performed to see if any of the objects are already in the ListView.</para>
/// <para>Null objects are silently ignored.</para>
/// </remarks>
public override void AddObjects(ICollection modelObjects)
{
if (DataSource == null || modelObjects == null || modelObjects.Count == 0)
{
return;
}
// Give the world a chance to cancel or change the added objects
var args = new ItemsAddingEventArgs(modelObjects);
OnItemsAdding(args);
if (args.Canceled)
{
return;
}
ClearCachedInfo();
DataSource.AddObjects(args.ObjectsToAdd);
Sort();
UpdateVirtualListSize();
}