Method clearSelection

forms/multilistbox.cpp:500–512

* Deselect all selected items. */

 * Deselect all selected items.
 */
void MultilistBox::clearSelection()
{
	if (funcHandleSelection)
	{
		for (auto &c : selectedSet)
		{
			funcHandleSelection(nullptr, c, false);
		}
	}

	selectedSet.clear();
	setDirty();
}

/**
 * Get controls that have been selected.