private SearchResultCollection FindAll(bool findMoreThanOne)
{
//if it is not of valid searching type, then throw an exception
if (SearchRoot == null)
{
Version adsVersion = GetAdsVersion();
throw new InvalidOperationException(Res.GetString(Res.DSVersion, adsVersion.ToString()));
}
DirectoryEntry clonedRoot = null;
if (assertDefaultNamingContext == null)
{
clonedRoot = SearchRoot.CloneBrowsable();
}
else
{
//SECREVIEW: If the SearchRoot was created by this object
// it is safe to assert its browse permission to get
// the inner IAds.
DirectoryServicesPermission dsPermission = new DirectoryServicesPermission(
DirectoryServicesPermissionAccess.Browse, assertDefaultNamingContext);
dsPermission.Assert();
try {
clonedRoot = SearchRoot.CloneBrowsable();
}
finally {
DirectoryServicesPermission.RevertAssert();
}
}
UnsafeNativeMethods.IAds adsObject = clonedRoot.AdsObject;
if (!(adsObject is UnsafeNativeMethods.IDirectorySearch))
{
throw new NotSupportedException(Res.GetString(Res.DSSearchUnsupported, SearchRoot.Path));
}
UnsafeNativeMethods.IDirectorySearch adsSearch = (UnsafeNativeMethods.IDirectorySearch)adsObject;
SetSearchPreferences(adsSearch, findMoreThanOne);
string[] properties = null;
if (PropertiesToLoad.Count > 0)
{
if (!PropertiesToLoad.Contains("ADsPath"))
{
// if we don't get this property, we won't be able to return a list of DirectoryEntry objects!
PropertiesToLoad.Add("ADsPath");
}
properties = new string[PropertiesToLoad.Count];
PropertiesToLoad.CopyTo(properties, 0);
}
IntPtr resultsHandle;
if (properties != null)
{
adsSearch.ExecuteSearch(Filter, properties, properties.Length, out resultsHandle);
}
else
{
adsSearch.ExecuteSearch(Filter, null, -1, out resultsHandle);
properties = new string[0];
}
SearchResultCollection result = new SearchResultCollection(clonedRoot, resultsHandle, properties, Filter);
return(result);
}