| DirectX SDK | 
The CONST_D3DCULL enumeration defines the supported cull modes used with the D3DRENDERSTATE_CULLMODE render state. These define how back faces are culled when rendering a geometry.
Enum CONST_D3DCULL
    D3DCULL_NONE = 1
    D3DCULL_CW   = 2
    D3DCULL_CCW  = 3
End Enum