---
title: "Dimensions Collection (ADO MD) | Microsoft Docs"
ms.prod: sql
ms.prod_service: connectivity
ms.technology: connectivity
ms.custom: ""
ms.date: "01/19/2017"
ms.reviewer: ""
ms.topic: conceptual
apitype: "COM"
f1_keywords: 
  - "Dimensions"
  - "CubeDef::Dimensions"
helpviewer_keywords: 
  - "Dimensions collection [ADO MD]"
ms.assetid: eaf6f4e7-2ea0-49a3-89ee-e219e025257c
author: MightyPen
ms.author: genemi
---
# Dimensions Collection (ADO MD)
Contains the [Dimension](../../../ado/reference/ado-md-api/dimension-object-ado-md.md) objects that make up a cube.  
  
## Remarks  
 **Dimensions** is a standard ADO collection. With the properties and methods of a collection, you can do the following:  
  
-   Obtain the number of objects in the collection with the [Count](../../../ado/reference/ado-api/count-property-ado.md) property.  
  
-   Return an object from the collection with the default [Item](../../../ado/reference/ado-api/item-property-ado.md) property.  
  
-   Update the objects in the collection from the provider with the [Refresh](../../../ado/reference/ado-api/refresh-method-ado.md) method.  
  
 This section contains the following topic.  
  
-   [Properties, Methods, and Events](../../../ado/reference/ado-md-api/dimensions-collection-properties-methods-and-events.md)  
  
## See Also  
 [Catalog Example (VB)](../../../ado/reference/ado-md-api/catalog-example-vb.md)   
 [CubeDef Object (ADO MD)](../../../ado/reference/ado-md-api/cubedef-object-ado-md.md)   
 [Dimension Object (ADO MD)](../../../ado/reference/ado-md-api/dimension-object-ado-md.md)