gtkmm: Class Members

### - l -

- LAST_CURSOR : Gdk
- LAYER_BACKGROUND : Atk
- LAYER_CANVAS : Atk
- LAYER_INVALID : Atk
- LAYER_MDI : Atk
- LAYER_OVERLAY : Atk
- LAYER_POPUP : Atk
- LAYER_WIDGET : Atk
- LAYER_WINDOW : Atk
- LEAVE_NOTIFY : Gdk
- LEAVE_NOTIFY_MASK : Gdk
- LEFT_PTR : Gdk
- LEFT_SIDE : Gdk
- LEFT_TEE : Gdk
- LEFTBUTTON : Gdk
- LINE_DOUBLE_DASH : Gdk
- LINE_ON_OFF_DASH : Gdk
- LINE_SOLID : Gdk
- LL_ANGLE : Gdk
- LOCK_MASK : Gdk
- LR_ANGLE : Gdk
- LSB_FIRST : Gdk