M_ANY
if ((whichType != DiagramItem::M_ANY) && (fTypes & whichType)) {
bool DeselectAll(uint32 itemType = DiagramItem::M_ANY);
uint32 CountItems(uint32 whichType = DiagramItem::M_ANY) const;
uint32 whichType = DiagramItem::M_ANY) const;
void DrawItems(BRect updateRect, uint32 whichType = DiagramItem::M_ANY,
bool SelectAll(uint32 itemType = DiagramItem::M_ANY);
if (!(modifiers() & B_SHIFT_KEY) && DeselectAll(DiagramItem::M_ANY))