How to download a document from SharePoint 2010 using Client Context Object Model ?

In one of the previous tips we have discussed about how we can upload documents in share point 2010 using Client Object Model. In this tips we will be discussing how we can download document from Share Point 2010 using Client Object Model. In order to use ClientContext we need to add reference to two dll’s to my project i.e. Microsoft.SharePoint.Client.dll and Microsoft.SharePoint.Client .Runtime.dll
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Below code snippet used for download the document from Share Point

public Stream DownloadDocument(string siteURL, string documentName)
{
ListItem item = GetDocumentFromSP(documentName);
if (item != null)
{
using (ClientContext clientContext = new ClientContext(siteURL))
{
FileInformation fInfo = Microsoft.SharePoint.Client.File.OpenBinaryDirect(clientContext, item ["FileRef"].ToString());            
return fInfo.Stream;
}
}
return null;
}
private static ListItem GetDocumentFromSP(string documentName)
{
//This method is discussed above i.e. Get List Item Collection from SharePoint Document List
ListItemCollection listItems = GetListItemCollectionFromSP("FileLeafRef", documentName, "Text", 1);
return (listItems != null && listItems.Count == 1) ? listItems[0] : null;
}