ADO Tools
List all installed OLE DB providers
This tool lists all available providers installed on the computer. You get the registry key, the name of the provider (as to be used in the connection string) plus a description of the provider.
Idea taken from http://www.motobit.com/help/RegEdit/sa117.htm
#include <Constants.au3>
#include <Array.au3>
_ADO_OLEDBProvidersList()
Func _ADO_OLEDBProvidersList()
	Local $sKey = "HKCR\CLSID"
	Local $iIndexReg = 1, $iIndexResult = 0
	Local $iMax = 100000, $iMin = 1, $iPrevious = $iMin, $iCurrent = $iMax / 2
	Local $aResult[200][3]
	ProgressOn("OLE DB Providers", "Processing the Registry", "", Default, Default, $DLG_MOVEABLE)
	; Count the number of keys
	While 1
		RegEnumKey($sKey, $iCurrent)
		If @error = -1 Then ; Requested subkey (key instance) out of range
			$iMax = $iCurrent
			$iCurrent = Int(($iMin + $iMax) / 2)
			$iPrevious = $iMax
		Else
			If $iPrevious <= ($iCurrent + 1) And $iPrevious >= ($iCurrent - 1) Then ExitLoop
			$iMin = $iCurrent
			$iCurrent = Int(($iMin + $iMax) / 2)
			$iPrevious = $iMin
		EndIf
	WEnd
	Local $iPercent = 0
	Local $sKeyValue = ''
	; Process registry
	While 1
		If Mod($iIndexReg, 10) = 0 Then
			$iPercent = Int($iIndexReg * 100 / $iCurrent)
			ProgressSet($iPercent, $iIndexReg & " keys of " & $iCurrent & " processed (" & $iPercent & "%)")
		EndIf
		$sSubKey = RegEnumKey($sKey, $iIndexReg)
		If @error Then ExitLoop
		$sKeyValue = RegRead($sKey & "\" & $sSubKey, "OLEDB_SERVICES")
		If @error = 0 Then
			$aResult[$iIndexResult][0] = $sKey & "\" & $sSubKey
			$aResult[$iIndexResult][1] = RegRead($sKey & "\" & $sSubKey, "")
			$aResult[$iIndexResult][2] = RegRead($sKey & "\" & $sSubKey & "\OLE DB Provider", "")
			$iIndexResult += 1
		EndIf
		$iIndexReg += 1
	WEnd
	ProgressOff()
	ReDim $aResult[$iIndexResult][3]
	_ArrayDisplay($aResult, "OLE DB Providers", "", 0, Default, "Registry key|OLE DB Provider|Description")
EndFunc    ;==>_ADO_OLEDBProvidersList
Result:
List all properties of an open ADO connection
This tool lists all properties for an open connection.
#include <Array.au3>
#include <MsgBoxConstants.au3>
_Example_ListProperties()
Func _Example_ListProperties()
	Local $oADOConnection = ObjCreate("ADODB.Connection") ; Create a connection object
	If @error Then Exit MsgBox($MB_ICONERROR, "Error", "Error " & @error & " creating the connection object!")
	; Open the connection
	Local $sADOConnectionString = 'Provider=Microsoft.Jet.OLEDB.4.0;Data Source=' & @ScriptDir & ';Extended Properties="Text;HDR=NO;FMT=Delimited(,)"'
	$oADOConnection.Open($sADOConnectionString)
	If @error Then Exit MsgBox($MB_ICONERROR, "Error", "Error " & @error & " opening the connection object!")
	Local $aProperties = _ADO_Connection_PropertiesToArray($oADOConnection)
	_ArrayDisplay($aProperties, "ADO connection - List of properties", "", 0, Default, "Name|Type|Value|Attributes")
	
EndFunc    ;==>_Example_ListProperties
Func _ADO_Connection_PropertiesToArray(ByRef $oConnection)
	; Property Object (ADO)
	; https://msdn.microsoft.com/en-us/library/windows/desktop/ms677577(v=vs.85).aspx
	Local $oProperties_coll = $oConnection.Properties
	Local $aProperties[$oProperties_coll.count][4]
	Local $iIndex = 0
	For $oProperty_enum In $oProperties_coll
		$aProperties[$iIndex][0] = $oProperty_enum.Name
		$aProperties[$iIndex][1] = $oProperty_enum.Type
		$aProperties[$iIndex][2] = $oProperty_enum.Value
		$aProperties[$iIndex][3] = $oProperty_enum.Attributes
		$iIndex += 1
	Next
	$oProperties_coll = Null
	Return $aProperties
EndFunc    ;==>_ADO_Connection_PropertiesToArray
Result:

