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SHRegQueryInfoUSKey
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SHRegQueryInfoUSKey function

Retrieves information about a specified registry subkey in a user-specific subtree (HKEY_CURRENT_USER or HKEY_LOCAL_MACHINE).

Syntax


LSTATUS SHRegQueryInfoUSKey(
  _In_      HUSKEY          hUSKey,
  _Out_opt_ LPDWORD         pcSubKeys,
  _Out_opt_ LPDWORD         pcchMaxSubKeyLen,
  _Out_opt_ LPDWORD         pcValues,
  _Out_opt_ LPDWORD         pcchMaxValueNameLen,
  _In_      SHREGENUM_FLAGS enumRegFlags
);

Parameters

hUSKey [in]

Type: HUSKEY

A handle to a currently open registry subkey. The subkey must have been opened with the KEY_SET_VALUE access right. For more information, see Registry Key Security and Access Rights.

This handle can be obtained through the SHRegOpenUSKey function.

pcSubKeys [out, optional]

Type: LPDWORD

A pointer to a DWORD that receives the number of subkeys under the specified key.

pcchMaxSubKeyLen [out, optional]

Type: LPDWORD

A pointer to a DWORD that receives the number of characters in the largest subkey name.

pcValues [out, optional]

Type: LPDWORD

A pointer to a DWORD that receives the number of values under the specified key.

pcchMaxValueNameLen [out, optional]

Type: LPDWORD

A pointer to a DWORD that receives the number of characters in the largest value name.

enumRegFlags [in]

Type: SHREGENUM_FLAGS

One of the SHREGENUM_FLAGS that specifies the base key in which the query should take place.

Return value

Type: LSTATUS

Returns ERROR_SUCCESS if successful, or a nonzero error code defined in Winerror.h otherwise. You can use the FormatMessage function with the FORMAT_MESSAGE_FROM_SYSTEM flag to retrieve a textual description of the error.

Requirements

Minimum supported client

Windows 2000 Professional, Windows XP [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Shlwapi.h

Library

Shlwapi.lib

DLL

Shlwapi.dll (version 4.71 or later)

Unicode and ANSI names

SHRegQueryInfoUSKeyW (Unicode) and SHRegQueryInfoUSKeyA (ANSI)

 

 

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