| DirectX SDK | 
The DirectDrawSurface7.SetOverlayPosition method changes the display coordinates of an overlay surface.
object.SetOverlayPosition(x As Long, y As Long)
If the method fails, it raises an error, and Err.Number can be set to one of the following values:
| DDERR_GENERIC | 
| DDERR_INVALIDOBJECT | 
| DDERR_INVALIDPARAMS | 
| DDERR_INVALIDPOSITION | 
| DDERR_NOOVERLAYDEST | 
| DDERR_NOTAOVERLAYSURFACE | 
| DDERR_OVERLAYNOTVISIBLE | 
| DDERR_SURFACELOST | 
| DDERR_UNSUPPORTED |