Wine API: RegQueryValueExA

NAME

RegQueryValueExA (KERNELBASE.@)

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". https://source.winehq.org/source/include/winreg.h

Implemented in "dlls/kernelbase/registry.c". https://source.winehq.org/source/dlls/kernelbase/registry.c

Debug channel "reg".