Method selectAll

forms/multilistbox.cpp:484–495

* Select all items. */

 * Select all items.
 */
void MultilistBox::selectAll()
{
	for (auto &c : Controls)
	{
		if (c->isVisible() && funcHandleSelection(nullptr, c, true))
		{
			selectedSet.insert(c);
		}
	}

	setDirty();
}

/**
 * Deselect all selected items.