Graphics Driver Extensions (Gdikdx.dll)
Extension commands that are useful for debugging the Graphics Driver Interface (GDI) can be found in Gdikdx.dll.
The Windows 2000 version of this extension DLL appears in the w2kfre and w2kchk directories. There is no version of this DLL for Windows XP or later versions of Windows.
Build date: 11/16/2013