public static string GetSingleStringPropertyCollectionValue(ResultPropertyCollection props, string name)
{
try
{
if (!props.Contains(name))
{
return string.Empty;
}
ResultPropertyValueCollection pvc = props[name];
if (pvc == null || pvc.Count == 0)
{
return string.Empty;
}
if (string.Compare(name, Constants.Properties.AdProperties.ObjectSID) == 0)
{
byte[] sidInBytes = (byte[])pvc[0];
SecurityIdentifier sid = new SecurityIdentifier(sidInBytes, 0);
return Convert.ToString(sid);
}
else
{
return Convert.ToString(pvc[0]);
}
}
catch (Exception ex)
{
throw new ApplicationException(string.Format("Failed to retrieve property '{0}' from ResultPropertyCollection.", name), ex);
}
}
public static T SingleValue <T>(this ResultPropertyCollection col, string Property)
{
if (!col.Contains(Property))
{
return(default(T));
}
ResultPropertyValueCollection valueCol = col[Property];
if (valueCol.Count == 0)
{
return(default(T));
}
return((T)valueCol[0]);
}
private static string GetSingleStringPropertyCollectionValue(System.DirectoryServices.ResultPropertyCollection props, string name)
{
if (!props.Contains(name))
{
return(string.Empty);
}
ResultPropertyValueCollection pvc = props[name];
if (pvc == null || pvc.Count == 0)
{
return(string.Empty);
}
return(pvc[0] as string);
}
private static string GetObjectSid(System.DirectoryServices.ResultPropertyCollection props, string name)
{
if (!props.Contains(name))
{
return(string.Empty);
}
ResultPropertyValueCollection pvc = props[name];
if (pvc == null || pvc.Count == 0)
{
return(string.Empty);
}
byte[] sidInBytes = (byte[])pvc[0];
SecurityIdentifier sid = new SecurityIdentifier(sidInBytes, 0);
return(sid.ToString());
}
/// <summary>
/// This method retrieves the set of users from active directory that meet the criteria specified in filter.
/// </summary>
/// <param name="sFilter"></param>
/// <returns></returns>
/// <remarks></remarks>
public static List <string> FetchContacts(string sFilter = "")
{
// Exceptions are handled by the caller
using (DirectorySearcher oSearcher = Initialize())
{
if (oSearcher != null)
{
List <string> cNames = new List <string>();
// Specify what we are looking for, which is the account name of the specified user without any domain information
oSearcher.Filter = string.Format("(&(objectCategory=person)(objectClass=user){0})", sFilter);
// get all of the matching records
using (SearchResultCollection cResults = oSearcher.FindAll())
{
if (cResults != null)
{
foreach (SearchResult theCurrentResult in cResults)
{
System.DirectoryServices.ResultPropertyCollection oProperties = null;
oProperties = theCurrentResult.Properties;
// First, verify that at least the display name is contained in the result
if (oProperties.Contains(PROPERTY_DISPLAY_NAME) && oProperties[PROPERTY_DISPLAY_NAME].Count > 0)
{
cNames.Add(oProperties[PROPERTY_DISPLAY_NAME][0].ToString());
}
}
}
}
return(cNames);
}
}
return(null);
}
public static string GetSingleStringPropertyCollectionValue(ResultPropertyCollection props, string name)
{
if (!props.Contains(name))
{
return string.Empty;
}
ResultPropertyValueCollection pvc = props[name];
if (pvc == null || pvc.Count == 0)
{
return string.Empty;
}
if (string.Compare(name, Constants.Properties.AdProperties.ObjectSID) == 0)
{
byte[] sidInBytes = (byte[])pvc[0];
SecurityIdentifier sid = new SecurityIdentifier(sidInBytes, 0);
return Convert.ToString(sid);
}
else
{
return pvc[0] as string;
}
}