Table of Contents

This is part of Win16 API which allow to create versions of program from one source code to run under OS/2 and Win16. Under OS/2 program can be running under Win-OS/2 if program is Windows NE executable, and with help on Windows Libraries for OS/2, if it is OS/2 NE executable. Here is a WLO to OS/2 API mapping draft

2021/09/01 04:23 · prokushev · 0 Comments

RegOpenKey

Brief

Opens a Registration Database key. The szSubKey parameter points to the string that specifies the name of the key to open. The lpResult parameter is the address of the handle of the key opened. The hkey parameter is the handle of the parent key which may be HKEY_CLASSES_ROOT and cannot be NULL.

Syntax

LONG RegOpenKey(HKEY hkey, LPCSTR szSubKey, HKEY *lpResult);

Parameters

Return Code

Returns ERROR_SUCCESS, if it is successful. Otherwise, it returns an error value.

Notes

Example Code

C Binding

MASM Binding

See also

Group Functions
Module manager GETVERSION GETMODULEHANDLE GETMODULEUSAGE GETMODULEFILENAME GETPROCADDRESS MAKEPROCINSTANCE FREEPROCINSTANCE GETINSTANCEDATA CATCH THROW GETCODEHANDLE LOADLIBRARY
Memory Manager GlobalAlloc GlobalCompact GlobalDiscard GlobalFree GlobalLock GlobalReAlloc GlobalSize GlobalUnlock GlobalFlags LocalAlloc LocalCompact LocalDiscard LocalFree LocalLock LocalFreeze LocalMelt LocalReAlloc LocalSize LocalUnlock LocalHandleDelta LockData UnlockData LocalFlags
Task Scheduler GetCurrentTask Yield SetPriority
Resource Manager AddFontResource RemoveFontResource LoadBitmap LoadCursor LoadIcon LoadMenu LoadString LoadAccelerators FindResource LoadResource AllocResource LockResource FreeResource AccessResource SizeofResource SetResourceHandler
String Translation AnsiUpper AnsiLower AnsiNext AnsiPrev
Atom Manager InitAtomTable AddAtom DeleteAtom FindAtom GetAtomName
Windows Initialization File GetProfileInt GetProfileString WriteProfileString
Debugging FatalExit
File I/O OpenFile GetTempFileName GetTempDrive
Registry RegOpenKey RegCreateKey RegCloseKey RegDeleteKey RegSetValue RegQueryValue RegEnumKey
2022/11/17 15:22 · prokushev · 0 Comments