Registries

This lists common operations on registry keys and the registry system calls that do the operations.

To . . .	Use this system call . . .
Create a key	RtRegCreateKeyEx
Delete a subkey from the registry	RtRegDeleteKey
Delete a value from a registry key	RtRegDeleteValue
Enumerate subkeys of an open registry key	RtRegEnumKeyEx
Enumerate a value for an open registry key	RtRegEnumValue
Establish a connection to a registry handle on another computer	RtRegConnectRegistry
Open a key	RtRegOpenKeyEx
Release a handle to a key	RtRegCloseKey
Retrieve information about a registry key	RtRegQueryInfoKey
Retrieve type and data for a value name associated with an open registry key	RtRegQueryValueEx
Set the data and type of a value under a registry key	RtRegSetValueEx
Write attributes of an open key into the registry	RtRegFlushKey

This shows the order to make registry system calls and lists calls that registers and their keys frequently use: