Describes a locked box (volume).
typedef struct D3DLOCKED_BOX {
int RowPitch;
int SlicePitch;
void * pBits;
} D3DLOCKED_BOX, *LPD3DLOCKED_BOX;
Volumes can be visualized as being organized into slices of width x height 2D surfaces stacked up to make a width x height x depth volume. For more information, see Volume Texture Resources.