private void ButtonRemoveClick(object sender, EventArgs e)
{
try
{
TreeNode node = treeViewItems.SelectedNode;
SPEventReceiverDefinition er = (SPEventReceiverDefinition)node.Tag;
if (MessageBox.Show("Are you sure you want to remove this event handler?", "Event Handler Explorer", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
er.Delete();
comboBoxEventType.SelectedIndex = -1;
comboBoxClasses.Items.Clear();
node.Parent.Nodes.Remove(node);
Logger(@"Event handler unregistered(iisreset needed)");
if (checkboxAutoIisReset.Checked)
{
LaunchPsCommand(Settings.ScriptIisReset);
}
}
}
catch (Exception ex)
{
Logger(ex.Message, Color.LightBlue);
}
}
public override void FeatureDeactivating(SPFeatureReceiverProperties properties)
{
string assembly = "ExternalListEvents, Culture=neutral, Version=1.0.0.0, PublicKeyToken=f3e998418ec415ce";
using (SPSite siteCollection = new SPSite("http://dev.wingtip13.com/bcs"))
{
using (SPWeb site = siteCollection.OpenWeb())
{
SPList customers = site.Lists["Customers"];
SPEventReceiverDefinitionCollection receivers = customers.EventReceivers;
SPEventReceiverDefinition activityReceiver = null;
foreach (SPEventReceiverDefinition receiver in receivers)
{
if (receiver.Assembly.Equals(assembly, StringComparison.OrdinalIgnoreCase))
{
activityReceiver = receiver;
break;
}
}
if (activityReceiver != null)
{
activityReceiver.Delete();
}
}
}
}
private static void UpdateListItemEventReceivers(SPSite site)
{
//Upgrade All Lists Instances with new Event Receiver Assembly for
//Lists based on the Training Course Content Type
string newAssembly = "Contoso.TrainingManagement, Version=2.0.0.0, Culture=neutral, PublicKeyToken=9f4da00116c38ec5"; //our new assembly info
string newClass = "Contoso.TrainingManagement.TrainingCourseItemEventReceiver";
SPContentTypeId contentTypeId = new SPContentTypeId(ContentTypes.TrainingCourse); //our custom ctype
foreach (SPWeb web in site.AllWebs)
{
using ( web )
{
for (int i = 0; i < web.Lists.Count; i++)
{
SPList list = web.Lists[i];
SPContentTypeId bestMatch = list.ContentTypes.BestMatch(contentTypeId);
if (bestMatch.IsChildOf(contentTypeId))
{
for (int j = 0; j < list.EventReceivers.Count; j++)
{
SPEventReceiverDefinition eventReceiverDefinition = list.EventReceivers[j];
if (String.Compare(eventReceiverDefinition.Assembly, newAssembly, true) != 0)
{
list.EventReceivers.Add(eventReceiverDefinition.Type, newAssembly, newClass);
eventReceiverDefinition.Delete();
list.Update();
}
}
}
}
}
}
}
public static void Delete(this SPEventReceiverDefinitionCollection collection, string name)
{
SPEventReceiverDefinition receiverDefinition = collection.Cast <SPEventReceiverDefinition>()
.SingleOrDefault(receiver => string.Equals(receiver.Name, name));
if (receiverDefinition != null)
{
receiverDefinition.Delete();
receiverDefinition.Update();
}
}
public void DisableDiscussionBoardProcessing(SPList list)
{
SPEventReceiverDefinition receiver = null;
do
{
receiver = list.EventReceivers.OfType <SPEventReceiverDefinition>().Where(p => string.Equals(p.Class, ReceiverType.FullName, StringComparison.InvariantCultureIgnoreCase)).FirstOrDefault();
if (receiver != null)
{
receiver.Delete();
}
} while (receiver != null);
}
public static void RemoveEventReceiver(SPList list)
{
SPEventReceiverDefinition receiverToDelete = null;
foreach (SPEventReceiverDefinition receiver in list.EventReceivers)
{
if (receiver.Class == "MyLocalBroadband.Activities.WSS.PublishedOriginalUpdatedReceiver")
{
receiverToDelete = receiver;
}
}
if (receiverToDelete != null)
{
receiverToDelete.Delete();
}
list.Update();
}
public static void RemoveEventReceivers(this SPList list, Type eventReceiverType, params SPEventReceiverType[] eventReceiverTypes)
{
List <SPEventReceiverDefinition> receivers = new List <SPEventReceiverDefinition>();
for (int i = 0; i < list.EventReceivers.Count; ++i)
{
SPEventReceiverDefinition r = list.EventReceivers[i];
if (r.Class.Equals(eventReceiverType.FullName) && (eventReceiverTypes.Length == 0 || eventReceiverTypes.Contains(r.Type)))
{
receivers.Add(r);
}
}
foreach (SPEventReceiverDefinition r in receivers)
{
r.Delete();
}
}
/// <summary>
/// Unregisters a specified event receiver from the list.
/// </summary>
/// <param name="list">The list to use.</param>
/// <param name="eventReceiverClassName">The name of the event receiver to remove.</param>
public static void UnregisterEventReceivers(this SPList list, string eventReceiverClassName)
{
List <Guid> eventReceiverIdsToDelete = new List <Guid>();
foreach (SPEventReceiverDefinition eventReceiver in list.EventReceivers)
{
if (eventReceiver.Class.Equals(eventReceiverClassName, StringComparison.OrdinalIgnoreCase))
{
eventReceiverIdsToDelete.Add(eventReceiver.Id);
}
}
foreach (Guid eventReceiverId in eventReceiverIdsToDelete)
{
SPEventReceiverDefinition eventReceiver = list.EventReceivers[eventReceiverId];
eventReceiver.Delete();
}
}
/// <summary>
/// Subscribes to event receivers.
/// </summary>
/// <param name="list">The list.</param>
/// <param name="remove">if set to <c>true</c> [remove].</param>
private static void SubscribeToEventReceivers(SPList list, bool remove)
{
Assembly assembly = Assembly.GetExecutingAssembly();
string className = typeof(ApprovalWorkflowItemsEventReceivers).FullName;
if (remove)
{
for (int i = 0; i < list.EventReceivers.Count; i++)
{
SPEventReceiverDefinition receiver = list.EventReceivers[i];
if (receiver.Assembly.Equals(assembly.FullName, StringComparison.OrdinalIgnoreCase) &&
(receiver.Type == SPEventReceiverType.ItemCheckedIn || receiver.Type == SPEventReceiverType.ItemUpdating || receiver.Type == SPEventReceiverType.ItemUpdated))
{
receiver.Delete();
}
}
}
else
{
list.EventReceivers.Add(SPEventReceiverType.ItemCheckedIn, assembly.FullName, className);
list.EventReceivers.Add(SPEventReceiverType.ItemUpdating, assembly.FullName, className);
list.EventReceivers.Add(SPEventReceiverType.ItemUpdated, assembly.FullName, className);
}
}
public override void FeatureDeactivating(SPFeatureReceiverProperties properties)
{
try
{
SPWeb web = (SPWeb)properties.Feature.Parent;
SPWeb parentWeb = web.Site.RootWeb;
SPList eventLog = parentWeb.Lists.TryGetList("CCPEventFeatureLog");
SPListItem eventLogItem = eventLog.AddItem();
SPList proposals = web.Lists.TryGetList("Proposals");
SPList contracts = web.Lists.TryGetList("Contracts");
if (proposals != null) //remove receiver from proposals
{
SPEventReceiverDefinition def1 = null; //event definition
foreach (SPEventReceiverDefinition receiver in proposals.EventReceivers)
{
if (receiver.Name == "ListEvents")
{
def1 = receiver;
break;
} //if
} //for
if (def1 != null)
{
def1.Delete();
}//if
//Add log to eventlog
eventLogItem["Proposals"] = "Receiver Removed from " + proposals.Title + " at: " + web.Title + " : " + web.Url;
eventLogItem.Update();
}//if
else
{
//Add log to eventlog
eventLogItem["Proposals"] = "No Proposals at: " + web.Title + " : " + web.Url;
eventLogItem.Update();
}
if (contracts != null)//remove receiver from contracts
{
SPEventReceiverDefinition def2 = null;
foreach (SPEventReceiverDefinition receiver in contracts.EventReceivers)
{
if (receiver.Name == "ListEvents")
{
def2 = receiver;
break;
} //if
} //for
if (def2 != null)
{
def2.Delete();
}//if
//Add log to eventlog
eventLogItem["Contracts"] = "Receiver Remove from " + contracts.Title + " at: " + web.Title + " : " + web.Url;
eventLogItem.Update();
}//if
else
{
//Add log to eventlog
eventLogItem["Contracts"] = "No Contracts at: " + web.Title + " : " + web.Url;
eventLogItem.Update();
}
}
catch (Exception e)
{
SPWeb web = (SPWeb)properties.Feature.Parent;
SPWeb parentWeb = web.Site.RootWeb;
SPList eventLog = parentWeb.Lists.TryGetList("CCPEventFeatureLog");
SPListItem item = eventLog.AddItem();
item["CCPWebEvents"] = "FeatureDeactivating : " + e.Message;
item.Update();
}
}
public void Delete()
{
m_eventReceiverDefinition.Delete();
}
