RegOpenKey
RegOpenKey opens the specified registry key.
Syntax
LONG RTAPI RegOpenKey(
HKEY hKey,
LPCTSTR lpSubKey,
PHKEY phkResult
);
Parameters
hKey
Handle which can only be one of the following predefined keys.
HKEY_LOCAL_MACHINE
HKEY_USERS
lpSubKey
The name of a key that this function opens or creates. This key must be a subkey of the key identified by the hKey parameter. Key names are not case sensitive. If this parameter is NULL or a pointer to an empty string, the function returns the handle to the predefined hKey parameter.
phkResult
A pointer to a variable that receives a handle to the opened key. If the key is not one of the predefined registry keys, call the RegCloseKey function after you have finished using the handle.
Return Value
If the function succeeds, the return value is ERROR_SUCCESS.
If the function fails, the return value is a nonzero error code.
Requirements
Minimum supported version | Header | Library |
---|---|---|
eRTOS 1.0 SDK |
windows.h | rtkrnl.lib |
See Also: