Document Version History in SharePoint Ad-inns

public void GetVersions()
{
ClientContext clientContext = new ClientContext(“http://SPSite”);
Web site = clientContext.Web;
clientContext.Load(site);
clientContext.ExecuteQuery();
File file = site.GetFileByServerRelativeUrl(“/Shared Documents/mydocument.doc”);
clientContext.Load(file);
clientContext.ExecuteQuery();
ListItem currentItem = file.ListItemAllFields;
clientContext.Load(currentItem);
clientContext.ExecuteQuery();
FileVersionCollection versions = file.Versions;
clientContext.Load(versions);
clientContext.ExecuteQuery();
if (versions != null)
{
foreach(FileVersion _version in versions)
{
Console.WriteLine(“Version : {0}”,_version.VersionLabel);
}
}
}