# Close

> [HTML Version](close_mx138.htm)

**xcall MIAMEX, MX\_REGISTRY, REGOP\_CLOSE, hkey, status**

This function is used to close a handle previously opened.

_hkey_  \[in\]

must be set to the handle of the key to close (as returned in HKEY2 by the open or create operations).

_status  _(F6)  \[out\]

0 for success, else error.