/// <summary>
/// Displays the Directory Object Picker (Active Directory) common dialog, when called by ShowDialog.
/// </summary>
/// <param name="hwndOwner">Handle to the window that owns the dialog.</param>
/// <returns>If the user clicks the OK button of the Directory Object Picker dialog that is displayed, true is returned;
/// otherwise, false.</returns>
protected override bool RunDialog(IntPtr hwndOwner)
{
IDsObjectPicker ipicker = Initialize();
if (ipicker == null)
{
selectedObjects = null;
return(false);
}
try
{
IDataObject dataObj = null;
int hresult = ipicker.InvokeDialog(hwndOwner, out dataObj);
if (hresult == HRESULT.S_OK)
{
selectedObjects = ProcessSelections(dataObj);
Marshal.ReleaseComObject(dataObj);
return(true);
}
if (hresult == HRESULT.S_FALSE)
{
selectedObjects = null;
return(false);
}
throw new COMException("IDsObjectPicker.InvokeDialog failed", hresult);
}
finally
{
Marshal.ReleaseComObject(ipicker);
}
}
/// <summary>
/// Displays the Directory Object Picker (Active Directory) common dialog, when called by ShowDialog.
/// </summary>
/// <param name="hwndOwner">Handle to the window that owns the dialog.</param>
/// <returns>If the user clicks the OK button of the Directory Object Picker dialog that is displayed, true is returned;
/// otherwise, false.</returns>
protected override bool RunDialog(IntPtr hwndOwner)
{
IDataObject dataObj = null;
IDsObjectPicker ipicker = Initialize();
if (ipicker == null)
{
selectedObjects = null;
return(false);
}
int hresult = ipicker.InvokeDialog(hwndOwner, out dataObj);
selectedObjects = ProcessSelections(dataObj);
return(hresult == HRESULT.S_OK);
}
/// <summary>
/// When overridden in a derived class, specifies a common dialog box.
/// </summary>
/// <param name="hwndOwner">A value that represents the window handle of the owner window for the common dialog box.</param>
/// <returns>
/// true if the dialog box was successfully run; otherwise, false.
/// </returns>
protected override bool RunDialog(IntPtr hwndOwner)
{
IDsObjectPicker iPicker = null;
try
{
iPicker = InitializeObjectPicker();
System.Runtime.InteropServices.ComTypes.IDataObject dataObj = null;
iPicker.InvokeDialog(hwndOwner, out dataObj);
this.selectedObjects = ProcessSelections(dataObj);
return(selectedObjects.Count > 0);
}
finally
{
iPicker = null;
}
}
public ADObject[] ShowObjectPicker(IntPtr parentHandle)
{
using (logX.loggerX.InfoCall())
{
packLPArray packedAttributeList = null;
DSOP_SCOPE_INIT_INFO[] scopeInitInfo = new DSOP_SCOPE_INIT_INFO[2];
DSObjectPicker picker = new DSObjectPicker();
DSOP_INIT_INFO initInfo = new DSOP_INIT_INFO();
IDataObject dataObj = null;
logX.loggerX.Debug("Initialize AD Picker");
IDsObjectPicker ipicker =
Initialize(ref picker, ref packedAttributeList, ref scopeInitInfo, ref initInfo);
logX.loggerX.Debug("Invoke AD Picker Dialog");
ipicker.InvokeDialog(parentHandle, out dataObj);
return(ProcessSelections(dataObj));
}
}
private IDsObjectPicker InitializeObjectPicker()
{
DSObjectPicker picker = new DSObjectPicker();
IDsObjectPicker ipicker = (IDsObjectPicker)picker;
if (mustInit)
{
unsafe
{
initInfo.cbSize = Marshal.SizeOf(initInfo);
initInfo.pwzTargetComputer = null; // local computer
initInfo.cDsScopeInfos = 1;
initInfo.flOptions = (int)initialSettings;
initInfo.cAttributesToFetch = 0;
initInfo.apwzAttributeNames = null;
scopeInitInfo.cbSize = Marshal.SizeOf(typeof(UnsafeNativeMethods.DsopScopeInitInfo));
scopeInitInfo.flType = (int)scopeTypes;
scopeInitInfo.flScope = (int)initialScopes;
scopeInitInfo.FilterFlags.Uplevel.flBothModes = (int)uplevelFlags;
scopeInitInfo.FilterFlags.Uplevel.flMixedModeOnly = (int)uplevelFlags;
scopeInitInfo.FilterFlags.Uplevel.flNativeModeOnly = (int)uplevelFlags;
scopeInitInfo.FilterFlags.flDownlevel = (int)downlevelFlags;
scopeInitInfo.pwzADZPath = null;
scopeInitInfo.pwzDcName = null;
scopeInitInfo.hr = null;
fixed(UnsafeNativeMethods.DsopScopeInitInfo *pdsopScope = &scopeInitInfo)
{
initInfo.aDsScopeInfos = pdsopScope;
}
}
mustInit = false;
}
ipicker.Initialize(ref initInfo);
return(ipicker);
}
private IDsObjectPicker Initialize()
{
DSObjectPicker picker = new DSObjectPicker();
IDsObjectPicker ipicker = (IDsObjectPicker)picker;
List <DSOP_SCOPE_INIT_INFO> scopeInitInfoList = new List <DSOP_SCOPE_INIT_INFO>();
// Note the same default and filters are used by all scopes
uint defaultFilter = GetDefaultFilter();
uint upLevelFilter = GetUpLevelFilter();
uint downLevelFilter = GetDownLevelFilter();
uint providerFlags = GetProviderFlags();
// Internall, use one scope for the default (starting) locations.
uint startingScope = GetScope(DefaultLocations);
if (startingScope > 0)
{
DSOP_SCOPE_INIT_INFO startingScopeInfo = new DSOP_SCOPE_INIT_INFO();
startingScopeInfo.cbSize = (uint)Marshal.SizeOf(typeof(DSOP_SCOPE_INIT_INFO));
startingScopeInfo.flType = startingScope;
startingScopeInfo.flScope = DSOP_SCOPE_INIT_INFO_FLAGS.DSOP_SCOPE_FLAG_STARTING_SCOPE | defaultFilter | providerFlags;
startingScopeInfo.FilterFlags.Uplevel.flBothModes = upLevelFilter;
startingScopeInfo.FilterFlags.flDownlevel = downLevelFilter;
startingScopeInfo.pwzADsPath = null;
startingScopeInfo.pwzDcName = null;
startingScopeInfo.hr = 0;
scopeInitInfoList.Add(startingScopeInfo);
}
// And another scope for all other locations (AllowedLocation values not in DefaultLocation)
Locations otherLocations = AllowedLocations & (~DefaultLocations);
uint otherScope = GetScope(otherLocations);
if (otherScope > 0)
{
DSOP_SCOPE_INIT_INFO otherScopeInfo = new DSOP_SCOPE_INIT_INFO();
otherScopeInfo.cbSize = (uint)Marshal.SizeOf(typeof(DSOP_SCOPE_INIT_INFO));
otherScopeInfo.flType = otherScope;
otherScopeInfo.flScope = defaultFilter | providerFlags;
otherScopeInfo.FilterFlags.Uplevel.flBothModes = upLevelFilter;
otherScopeInfo.FilterFlags.flDownlevel = downLevelFilter;
otherScopeInfo.pwzADsPath = null;
otherScopeInfo.pwzDcName = null;
otherScopeInfo.hr = 0;
scopeInitInfoList.Add(otherScopeInfo);
}
DSOP_SCOPE_INIT_INFO[] scopeInitInfo = scopeInitInfoList.ToArray();
// TODO: Scopes for alternate ADs, alternate domains, alternate computers, etc
// Allocate memory from the unmananged mem of the process, this should be freed later!??
IntPtr refScopeInitInfo = Marshal.AllocHGlobal
(Marshal.SizeOf(typeof(DSOP_SCOPE_INIT_INFO)) * scopeInitInfo.Length);
// Marshal structs to pointers
for (int index = 0; index < scopeInitInfo.Length; index++)
{
Marshal.StructureToPtr(scopeInitInfo[index],
refScopeInitInfo.OffsetWith(index * Marshal.SizeOf(typeof(DSOP_SCOPE_INIT_INFO))),
false);
}
// Initialize structure with data to initialize an object picker dialog box.
DSOP_INIT_INFO initInfo = new DSOP_INIT_INFO();
initInfo.cbSize = (uint)Marshal.SizeOf(initInfo);
initInfo.pwzTargetComputer = TargetComputer;
initInfo.cDsScopeInfos = (uint)scopeInitInfo.Length;
initInfo.aDsScopeInfos = refScopeInitInfo;
// Flags that determine the object picker options.
uint flOptions = 0;
if (MultiSelect)
{
flOptions |= DSOP_INIT_INFO_FLAGS.DSOP_FLAG_MULTISELECT;
}
// Only set DSOP_INIT_INFO_FLAGS.DSOP_FLAG_SKIP_TARGET_COMPUTER_DC_CHECK
// if we know target is not a DC (which then saves initialization time).
if (SkipDomainControllerCheck)
{
flOptions |= DSOP_INIT_INFO_FLAGS.DSOP_FLAG_SKIP_TARGET_COMPUTER_DC_CHECK;
}
initInfo.flOptions = flOptions;
// there's a (seeming?) bug on my Windows XP when fetching the objectClass attribute - the pwzClass field is corrupted...
// plus, it returns a multivalued array for this attribute. In Windows 2008 R2, however, only last value is returned,
// just as in pwzClass. So won't actually be retrieving __objectClass__ - will give pwzClass instead
List <string> goingToFetch = new List <string>(AttributesToFetch);
for (int i = 0; i < goingToFetch.Count; i++)
{
if (goingToFetch[i].Equals("objectClass", StringComparison.OrdinalIgnoreCase))
{
goingToFetch[i] = "__objectClass__";
}
}
initInfo.cAttributesToFetch = (uint)goingToFetch.Count;
UnmanagedArrayOfStrings unmanagedAttributesToFetch = new UnmanagedArrayOfStrings(goingToFetch);
initInfo.apwzAttributeNames = unmanagedAttributesToFetch.ArrayPtr;
// If the user has defined new credentials, set them now
if (!string.IsNullOrEmpty(userName))
{
var cred = (IDsObjectPickerCredentials)ipicker;
cred.SetCredentials(userName, password);
}
try
{
// Initialize the Object Picker Dialog Box with our options
int hresult = ipicker.Initialize(ref initInfo);
if (hresult != HRESULT.S_OK)
{
Marshal.ReleaseComObject(ipicker);
throw new COMException("IDsObjectPicker.Initialize failed", hresult);
}
return(ipicker);
}
finally
{
/*
* from MSDN (http://msdn.microsoft.com/en-us/library/ms675899(VS.85).aspx):
*
* Initialize can be called multiple times, but only the last call has effect.
* Be aware that object picker makes its own copy of InitInfo.
*/
Marshal.FreeHGlobal(refScopeInitInfo);
unmanagedAttributesToFetch.Dispose();
}
}
private IDsObjectPicker Initialize()
{
DSObjectPicker picker = new DSObjectPicker();
IDsObjectPicker ipicker = (IDsObjectPicker)picker;
System.Collections.ArrayList scopeInitInfoList = new System.Collections.ArrayList();
//List<DSOP_SCOPE_INIT_INFO> scopeInitInfoList = new List<DSOP_SCOPE_INIT_INFO>();
// Note the same default and filters are used by all scopes
uint defaultFilter = GetDefaultFilter();
uint upLevelFilter = GetUpLevelFilter();
uint downLevelFilter = GetDownLevelFilter();
// Internall, use one scope for the default (starting) locations.
uint startingScope = GetStartingScope();
if (startingScope > 0)
{
DSOP_SCOPE_INIT_INFO startingScopeInfo = new DSOP_SCOPE_INIT_INFO();
startingScopeInfo.cbSize = (uint)Marshal.SizeOf(typeof(DSOP_SCOPE_INIT_INFO));
startingScopeInfo.flType = startingScope;
startingScopeInfo.flScope = DSOP_SCOPE_INIT_INFO_FLAGS.DSOP_SCOPE_FLAG_STARTING_SCOPE | defaultFilter;
startingScopeInfo.FilterFlags.Uplevel.flBothModes = upLevelFilter;
startingScopeInfo.FilterFlags.flDownlevel = downLevelFilter;
startingScopeInfo.pwzADsPath = null;
startingScopeInfo.pwzDcName = null;
startingScopeInfo.hr = 0;
scopeInitInfoList.Add(startingScopeInfo);
}
// And another scope for all other locations (AllowedLocation values not in DefaultLocation)
uint otherScope = GetOtherScope();
if (otherScope > 0)
{
DSOP_SCOPE_INIT_INFO otherScopeInfo = new DSOP_SCOPE_INIT_INFO();
otherScopeInfo.cbSize = (uint)Marshal.SizeOf(typeof(DSOP_SCOPE_INIT_INFO));
otherScopeInfo.flType = otherScope;
otherScopeInfo.flScope = defaultFilter;
otherScopeInfo.FilterFlags.Uplevel.flBothModes = upLevelFilter;
otherScopeInfo.FilterFlags.flDownlevel = downLevelFilter;
otherScopeInfo.pwzADsPath = null;
otherScopeInfo.pwzDcName = null;
otherScopeInfo.hr = 0;
scopeInitInfoList.Add(otherScopeInfo);
}
System.Collections.ArrayList scopeInitInfo = new System.Collections.ArrayList();
scopeInitInfo = scopeInitInfoList;
//DSOP_SCOPE_INIT_INFO[] scopeInitInfo = scopeInitInfoList.ToArray();
// TODO: Scopes for alternate ADs, alternate domains, alternate computers, etc
// Allocate memory from the unmananged mem of the process, this should be freed later!??
IntPtr refScopeInitInfo = Marshal.AllocHGlobal
(Marshal.SizeOf(typeof(DSOP_SCOPE_INIT_INFO)) * scopeInitInfo.Count);
// Marshal structs to pointers
for (int index = 0; index < scopeInitInfo.Count; index++)
{
//Marshal.StructureToPtr(scopeInitInfo[0],
// refScopeInitInfo, true);
//Marshal.StructureToPtr(scopeInitInfo[index],
// (IntPtr)((int)refScopeInitInfo + index * Marshal.SizeOf(typeof(DSOP_SCOPE_INIT_INFO))), true);
Marshal.StructureToPtr(scopeInitInfo[index], refScopeInitInfo, false);
}
// Initialize structure with data to initialize an object picker dialog box.
DSOP_INIT_INFO initInfo = new DSOP_INIT_INFO();
initInfo.cbSize = (uint)Marshal.SizeOf(initInfo);
//initInfo.pwzTargetComputer = null; // local computer
initInfo.pwzTargetComputer = targetComputer;
initInfo.cDsScopeInfos = (uint)scopeInitInfo.Count;
initInfo.aDsScopeInfos = refScopeInitInfo;
// Flags that determine the object picker options.
uint flOptions = 0;
// Only set DSOP_INIT_INFO_FLAGS.DSOP_FLAG_SKIP_TARGET_COMPUTER_DC_CHECK
// if we know target is not a DC (which then saves initialization time).
if (multiSelect)
{
flOptions |= DSOP_INIT_INFO_FLAGS.DSOP_FLAG_MULTISELECT;
}
initInfo.flOptions = flOptions;
// We're not retrieving any additional attributes
//string[] attributes = new string[] { "sAMaccountName" };
//initInfo.cAttributesToFetch = (uint)attributes.Length;
//initInfo.apwzAttributeNames = Marshal.StringToHGlobalUni( attributes[0] );
initInfo.cAttributesToFetch = 0;
initInfo.apwzAttributeNames = IntPtr.Zero;
// Initialize the Object Picker Dialog Box with our options
int hresult = ipicker.Initialize(ref initInfo);
if (hresult != HRESULT.S_OK)
{
return(null);
}
return(ipicker);
}
