Retrieves information about the specified registry key
#include <WinAPIReg.au3>
_WinAPI_RegQueryInfoKey ( $hKey )
| $hKey | Handle to an open registry key. The key must have been opened with the $KEY_QUERY_VALUE access right. This handle is returned by the _WinAPI_RegCreateKey() or _WinAPI_RegOpenKey() function. It can also be one of the following predefined keys: $HKEY_CLASSES_ROOT $HKEY_CURRENT_CONFIG $HKEY_CURRENT_USER $HKEY_LOCAL_MACHINE $HKEY_PERFORMANCE_DATA $HKEY_USERS |
| Success: | The array containing the following information: [0] - The number of subkeys that are contained by the specified key. [1] - The size of the key's subkey with the longest name, in characters, not including the terminating null character. [2] - The number of values that are associated with the key. [3] - The size of the key's longest value name, in characters. The size does not include the terminating null character. [4] - The size of the longest data component among the key's values, in bytes. |
| Failure: | Sets the @error flag to non-zero, @extended flag may contain the system error code. |
_WinAPI_RegCreateKey, _WinAPI_RegOpenKey
Search RegQueryInfoKey in MSDN Library.
#include <APIRegConstants.au3>
#include <Date.au3>
#include <Debug.au3>
#include <WinAPIError.au3>
#include <WinAPIReg.au3>
Example()
Func Example()
Local $hKey = _WinAPI_RegOpenKey($HKEY_CLASSES_ROOT, 'CLSID', $KEY_READ)
If @error Then
_DebugSetup(Default, True)
_DebugReport("! RegOpenKey @error =" & @error & @CRLF & @TAB & _WinAPI_GetErrorMessage(@extended))
Exit
EndIf
Local $iCount = _WinAPI_RegQueryInfoKey($hKey)
Local $aKey[$iCount[0]][2], $tLocalFILETIME, $tFileWriteTime
For $i = 0 To UBound($aKey) - 1
$aKey[$i][0] = _WinAPI_RegEnumKey($hKey, $i)
$tFileWriteTime = @extended
If $tFileWriteTime Then
$tLocalFILETIME = _Date_Time_FileTimeToLocalFileTime($tFileWriteTime)
$aKey[$i][1] = _Date_Time_FileTimeToStr($tLocalFILETIME, 1)
EndIf
Next
_WinAPI_RegCloseKey($hKey)
_DebugArrayDisplay($aKey, '_WinAPI_RegEnumKey')
EndFunc ;==>Example