| DirectX SDK | 
The ID3DXSimpleShape::Draw method is used to draw a shape object.
HRESULT Draw();
If the method succeeds, the return value is D3D_OK.
If the method fails, the return value may be one of the following values:
| D3DXERR_NULLPOINTER | 
| D3DERR_INVALIDRAMPTEXTURE | 
| D3DERR_INVALIDPRIMITIVETYPE | 
| D3DERR_INVALIDVERTEXTYPE | 
| D3DERR_VERTEXBUFFERLOCKED | 
| DDERR_INVALIDPARAMS | 
| DDERR_WASSTILLDRAWING | 
This function is used to draw the vertex-buffer generated by one of the shape drawing functions.
  Windows NT/2000: Requires Windows 2000.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Windows CE: Unsupported.
  Version: Requires DirectX 7.0.
  Header: Declared in d3dxshapes.h.
  Library: Use d3dx.lib.
IDirect3DDevice7::DrawIndexedPrimitive, IDirect3DDevice7::DrawPrimitive