# Delete Key

> [HTML Version](deletekey.htm)

**xcall MIAMEX, MX\_REGISTRY, REGOP\_DELKEY, hkey, subkey, rights, status**

This function deletes a registry key.

_hkey_  (B,4)  \[in\]

must specify an open registry handle returned from a previous REGOP\_OPEN operation (or may be one of the built-in hive handles, e.g., HKEY\_CURRENT\_USER, etc.) Note that to delete a key, the the RGKEY\_DELETE access right must have been specified in the REGOP\_OPEN call. To delete a value, the RGKEY\_SET\_VALUE access right must have been specified in the open.

_subkey_  ([String](string.htm.md))  \[in\]

specifies the key to delete (within HKEY). All values within the key will be deleted, but if there are any nested subkeys, the operation will fail. To delete a multi-level tree, you must start from the lowest level and work up.

_rights_  ([Num](num.htm.md))  \[in\]

only applies when running in 64 bit Windows, in which case it can be used to select the registry view:

RGKEY\_WOW64\_32KEY   \&h0200   Delete key from 32 bit registry view

RGKEY\_WOW64\_64KEY   \&h0100   Delete key from 64 bit registry view



_status_  (F6)  \[out\]

returns 0 for success, else an error code.