The D3DTRANSFORMSTATETYPE enumerated type describes the transformation state for the D3DOP_STATETRANSFORM opcode in the D3DOPCODE enumerated type. This enumerated type is part of the D3DSTATE structure.
typedef enum _D3DTRANSFORMSTATETYPE { 
    D3DTRANSFORMSTATE_WORLD        = 1, 
    D3DTRANSFORMSTATE_VIEW         = 2, 
    D3DTRANSFORMSTATE_PROJECTION   = 3, 
    D3DTRANSFORMSTATE_FORCE_DWORD  = 0x7fffffff, 
} D3DTRANSFORMSTATETYPE; 
   Windows NT/2000: Requires Windows NT 4.0 SP3 or later.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Header: Declared in d3dtypes.h.