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PC World Komputer 1998 April A
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Pcwk4a98.iso
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System
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WING
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MSREGDB.IN_
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MSREGDB.IN
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1995-06-20
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4KB
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128 lines
'***************************************************************************
'**************** registration database api's ***********************
'***************************************************************************
'$DEFINE REG_DB_ENABLED
const REG_SZ = 1
const HKEY_CLASSES_ROOT = 1
const ERROR_SUCCESS = 0
DECLARE FUNCTION EercErrorHandler LIB "mscomstf.dll" (grc%, fVital%, sz1$, sz2$, sz3$) AS INTEGER
CONST GRC_API_FAILED = 104
DECLARE FUNCTION RegOpenKey LIB "SHELL.DLL" (hKey&, szSubKey$, phkResult AS POINTER TO LONG) AS LONG
DECLARE FUNCTION RegCreateKey LIB "shell.dll" (hKey&, szSubKey$, phkResult AS POINTER TO LONG) AS LONG
DECLARE FUNCTION RegDeleteKey LIB "shell.dll" (hKey&, szSubKey$) AS LONG
DECLARE FUNCTION RegCloseKey LIB "shell.dll" (hKey&) AS LONG
DECLARE FUNCTION RegQueryValue LIB "shell.dll" (hKey&, szSubKey$, szValue$, lpcb AS POINTER TO LONG) AS LONG
DECLARE FUNCTION RegSetValue LIB "shell.dll" (hKey&, szSubKey$, dwType&, szValue$, cbValue&) AS LONG
DECLARE FUNCTION RegEnumKey LIB "shell.dll" (HkEY&, dwIndex&, szBuffer$, dwBufferSize&) AS LONG
DECLARE SUB CreateRegKey(szKey$)
DECLARE SUB CreateRegKeyValue(szKey$, szValue$)
DECLARE SUB SetRegKeyValue(szKey$, szValue$)
DECLARE SUB DeleteRegKey(szKey$)
DECLARE FUNCTION GetRegKeyValue(szKey$) AS STRING
DECLARE FUNCTION DoesRegKeyExist(szKey$) AS INTEGER
'NOTE: All keys are assumed to be subkeys of HKEY_CLASSES_ROOT. Therefore,
'the key HKEY_CLASSES_ROOT\key1\key2 would simply be written as key1\key2
'for these api's.
'**************************************************************************
SUB CreateRegKey(szKey$) STATIC
DIM phKey AS LONG
IF RegCreateKey(HKEY_CLASSES_ROOT, szKey$, VARPTR(phKey)) > ERROR_SUCCESS THEN
i% = EercErrorHandler(GRC_API_FAILED, 1, "CreateRegKey", NULL, NULL)
'$ifdef DEBUG
StfApiErr saeFail, "CreateRegKey", szKey$
'$endif ''DEBUG
ERROR STFERR
END IF
IF RegCloseKey(phKey) > ERROR_SUCCESS THEN
i% = EercErrorHandler(GRC_API_FAILED, 1, "CreateRegKey", NULL, NULL)
'$ifdef DEBUG
StfApiErr saeFail, "CreateRegKey", szKey$
'$endif ''DEBUG
ERROR STFERR
END IF
END SUB
'**************************************************************************
SUB CreateRegKeyValue(szKey$, szValue$) STATIC
DIM phKey AS LONG
IF RegSetValue(HKEY_CLASSES_ROOT, szKey$, REG_SZ, szValue$, len(szKey$)) > ERROR_SUCCESS THEN
i% = EercErrorHandler(GRC_API_FAILED, 1, "CreateRegKeyValue", NULL, NULL)
'$ifdef DEBUG
StfApiErr saeFail, "CreateRegKeyValue", szKey$+", "+szValue$
'$endif ''DEBUG
ERROR STFERR
END IF
END SUB
'**************************************************************************
FUNCTION DoesRegKeyExist(szKey$) STATIC AS INTEGER
DIM phKey AS LONG
IF RegOpenKey(HKEY_CLASSES_ROOT, szKey$, VARPTR(phKey)) = ERROR_SUCCESS THEN
i = RegCloseKey(phKey)
DoesRegKeyExist = 1
ELSE
DoesRegKeyExist = 0
ENDIF
END FUNCTION
'**************************************************************************
SUB SetRegKeyValue(szKey$, szValue$) STATIC
DIM phKey AS LONG
IF RegSetValue(HKEY_CLASSES_ROOT, szKey$, REG_SZ, szValue$, len(szKey$)) > ERROR_SUCCESS THEN
i% = EercErrorHandler(GRC_API_FAILED, 1, "SetRegKeyValue", NULL, NULL)
'$ifdef DEBUG
StfApiErr saeFail, "SetRegKeyValue", szKey$+", "+szValue$
'$endif ''DEBUG
ERROR STFERR
END IF
END SUB
'**************************************************************************
FUNCTION GetRegKeyValue(szKey$) STATIC AS STRING
szValue$ = string$(512,32)
cb& = len(szValue$)
IF DoesRegKeyExist(szKey$) = 0 THEN
GetRegKeyValue = ""
EXIT FUNCTION
END IF
IF RegQueryValue(HKEY_CLASSES_ROOT, szKey$, szValue$, VARPTR(cb)) = ERROR_SUCCESS THEN
GetRegKeyValue = MID$(szValue$, 1, cb)
ELSE
i% = EercErrorHandler(GRC_API_FAILED, 1, "SetRegKeyValue", NULL, NULL)
'$ifdef DEBUG
StfApiErr saeFail, "GetRegKeyValue", szKey$
'$endif ''DEBUG
ERROR STFERR
END IF
szValue$ = ""
END FUNCTION
'**************************************************************************
SUB DeleteRegKey(szKey$) STATIC
i& = RegDeleteKey(HKEY_CLASSES_ROOT, szKey$)
END SUB