Prototype

ULONG GetScreen(WCHAR * Buff, ULONG BuffLen, PS_PLANE Plane=TextPlane)
ULONG GetScreen(WCHAR * Buff, ULONG BuffLen, ULONG StartPos,
       ULONG Length, PS_PLANE Plane=TextPlane)
ULONG GetScreen(WCHAR * Buff, ULONG BuffLen, ULONG StartRow,
       ULONG StartCol, ULONG Length, PS_PLANE Plane=TextPlane)