| Microsoft DirectX 8.1 (C++) | 
Applies the state settings for the specified pass of the technique.
HRESULT Pass( UINT iPass );
If the method succeeds, the return value is S_OK.
If the method fails, the return value can be one of the following values.
| D3DERR_INVALIDCALL | 
| D3DXERR_INVALIDDATA | 
| E_OUTOFMEMORY | 
After calling Pass, the application must draw the geometry to the device to which the effect is set.
  Header: Declared in D3dx8effect.h.
  Import Library: Use D3dx8.lib.