RegistryFirstSubKey (Function)

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32-bit application operating on a 64-bit system
Equivalence
Operating mode in GO mode and at run time

WINDEV

WEBDEV

WINDEV Mobile

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RegistryFirstSubKey (Function)

In french: RegistrePremièreSousClé

Identifies the path of first sub-key of specified key in the Windows registry.

Example

See additional examples

Path is string
// Find out the name of primary key
Path = RegistryFirstSubKey()
// Browse all the sub-keys
WHILE Path <> ""
Path = RegistryNextKey(Path)
END

// Identifies the first sub-key of "HKEY_LOCAL_MACHINE\SYSTEM"
ResSubKey = RegistryFirstSubKey("HKEY_LOCAL_MACHINE\SYSTEM")

Syntax

<Result> = RegistryFirstSubKey([<Key path>])

<Result>: Character string

Full path of first sub-key for the specified key,
Empty string ("") if no sub-key was found.

<Key path>: Optional character string (with quotes)

Path of key to use. If this parameter is not specified, the path of first sub-key of "HKEY_CLASSES_ROOT" is returned.
This path can contain up to 255 characters and up to 16 levels.

Remarks

32-bit application operating on a 64-bit system

On a 64-bit system, the 32-bit applications write into the registry from the following branch:

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node

Equivalence

The operating mode of RegistryFirstSubKey is equivalent to the operating mode of ceRegistryFirstSubKey.

The only difference is:

RegistryFirstSubKey handles the Mobile Device registry (Pocket PC) from a WINDEV Mobile application.
ceRegistryFirstSubKey handles the Mobile Device registry (Pocket PC) from a WINDEV application.

Operating mode in GO mode and at run time

In GO mode (simulation on the development computer), RegistryFirstSubKey handles the registry of development computer.

At run time, RegistryFirstSubKey handles the Mobile Device registry (Pocket PC).

The differences between GO mode (simulator) and real use are presented in Differences between GO mode and real use.

Component : wd240std.dll