D3DMATRIX

typedef struct _D3DMATRIX {

D3DVALUE _11, _12, _13, _14;

D3DVALUE _21, _22, _23, _24;

D3DVALUE _31, _32, _33, _34;

D3DVALUE _41, _42, _43, _44;

} D3DMATRIX, *LPD3DMATRIX;

Describes a matrix for such methods as IDirect3DDevice::GetMatrix and IDirect3DDevice::SetMatrix.