NAME¶

RegQueryValueExA (ADVAPI32.@)

SYNOPSIS¶

LSTATUS RegQueryValueExA
(
HKEY hkey,
LPCSTR name,
LPDWORD reserved,
LPDWORD type,
LPBYTE data,
LPDWORD count
)

DESCRIPTION¶

Get the type and contents of a specified value under with a key.

PARAMS¶

hkey [In] Handle of the key to query. name [In] Name of value under hkey to query. reserved [In] Reserved - must be NULL. type [Out] Destination for the value type, or NULL if not required. data [Out] Destination for the values contents, or NULL if not required. count [In/Out] Size of data, updated with the number of bytes returned.

RETURNS¶

Success: ERROR_SUCCESS. *count is updated with the number of bytes copied to data. Failure: ERROR_INVALID_HANDLE, if hkey is invalid. ERROR_INVALID_PARAMETER, if any other parameter is invalid. ERROR_MORE_DATA, if on input * count is too small to hold the contents.

NOTES¶

MSDN states that if data is too small it is partially filled. In reality it remains untouched.

IMPLEMENTATION¶

Declared in "winreg.h". Implemented in "dlls/advapi32/registry.c". Debug channel "reg".