The IDirect3DDevice3::SetTransform method sets a single Direct3DDevice transformation-related state.
HRESULT SetTransform(
  D3DTRANSFORMSTATETYPE dtstTransformStateType,  
  LPD3DMATRIX lpD3DMatrix                        
);
 If the method succeeds, the return value is D3D_OK.
If the method fails, the return value is an error. The method returns DDERR_INVALIDPARAMS if one of the arguments is invalid.
This method was introduced with the IDirect3DDevice2 interface.
  Windows NT/2000: Requires Windows 2000.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Header: Declared in d3d.h.
  Import Library: Use ddraw.lib.
IDirect3DDevice3::GetTransform, IDirect3DDevice3::SetLightState, IDirect3DDevice3::SetRenderState