The CloseConnection command releases an open instance of NX.

$\mathrm{with}\left(\mathrm{CAD}:-\mathrm{NX}\right)\:$

$\mathrm{OpenConnection}\left(\right)\:$

$\mathrm{OpenPart}\left(''C:\backslash \backslash Program\; Files\backslash \backslash Siemens\backslash \backslash NX\; 8.5\backslash \backslash NXPARTS\backslash \backslash Reuse\; Library\backslash \backslash Reuse\; Examples\backslash \backslash Standard\; Parts\backslash \backslash ANSI\; Inch\backslash \backslash Screw\backslash \backslash Hex\; Head\backslash \backslash Hex\; Cap\; Screw,\; Full\; Thd,\; AI.prt''\right)\:$

$\mathrm{doc}≔\mathrm{GetWorkPart}\left(\right)$

$\mathrm{doc}≔''C:\backslash Program\; Files\backslash Siemens\backslash NX\; 8.5\backslash NXPARTS\backslash Reuse\; Library\backslash Reuse\; Examples\backslash Standard\; Parts\backslash ANSI\; Inch\backslash Screw\backslash Hex\; Head\backslash Hex\; Cap\; Screw,\; Full\; Thd,\; AI.prt''$

$\mathrm{CloseConnection}\left(\right)\:$