event-handling

How to list all registered events of a DOM node using Javascript?

I can add or remove an event handler for a DOM node. Is it possible to find out all the registered events handlers of a given DOM node? I am referring to straight Javascript meaning no frameworks or toolkits like jquery, dojo, Prototype, GWT, etc. If the answer is no, any reason why? Security issues? ...

Double Click Event

How to make a double click event in C# for using Silverlight3.0. In my project, i had created stackpanel dynamically, When the user double click on the stackpanel, the child window will be displayed. There is no such event in silverlight. How to make a double click event for my application? ...

ASP.NET AutoCompleteExtender-enabled TextBox's TextChanged-event doesn't fire when selecting certain kind of item from AutoCompleteExtender (whew...)

Hello, Today i faced a pretty weird problem, made of a stored procedure, an autocompleteextender and event handling. If anyone can suggest a concise title for the following saga, please do! First i'll try to introduce the players (some parts are a bit abridged) and then the scenarios. Environment is VS2008, C#, SQL Server 2005 and ASP....

Handling events with PowerShell?

How can you handle events thrown by .NET object using PowerShell v2? Can someone point me to a simple code sample? ...

What is the best way of subscribing to events in ASP.NET?

I've done some reading on SO, but didn't find the answer to my question. As @Canavar points out in his answer there are 2 ways to subscribe to an event: Declarative: <asp:Button runat="server" ID="myButton" OnClick="myButton_Click" /> Code Behind: myButton.Click += new EventHandler(myButton_Click); I subscribe to events declarati...

PowerShell: how to get detailed information about a WMI event?

I'm learning PowerShell 2.0 on Windows 7. My task is simple: I want to listen for a WMI event and then display some information about it. Here is what I'm currently doing: Register-WmiEvent -class win32_ProcessStartTrace -sourceIdentifier processStart Wait-Event It seems to work. Indeed, I get this when I start a process: ComputerN...

find out instantiating object in the constructor of a class

How can i get hold of the instantiating object from a constructor in java? I want to store reference to the parent object for some GUI classes to simulate event bubbling - calling parents handlers - but i dont wanna change all the existing code. ...

jQuery live('click') firing for right-click

I've noticed a strange behaviour of the live() function in jQuery: <a href="#" id="normal">normal</a> <a href="#" id="live">live</a> $('#normal').click(clickHandler); $('#live').live('click', clickHandler); function clickHandler() { alert("Clicked"); return false; } That's fine and dandy until you right-click on the "live" l...

When to use custom c# events

When is it appropriate to raise an event in C#? As an example, in our system we have data objects being sent to us, say 50 per minute, from an external system. Upon receiving a data packet, we need to have it processed by another object. Would an event or a simple method call be better to use in this situation? An event seems like a ...

How to catch xulrunners close event and cancel it?

Hi, I want to catch the close event of my xulrunner app when user clicks the close button of the main window and ask them for confirmation.If they dont confirm ,i want to cancel this close event and continue the application. I tried OnClose Event ,but i was not able to cancel it. How do i implement this? ...

jQuery: more than one handler for same event

jQuery question What happens if I bind two event handlers to same event and same element: For example: var elem = $("...") elem.click(...); elem.click(...); Later wins or both handlers will be run? ...

ASP.NET MVC & Silverlight - fire an event in both with one button?

Hey everyone, I currently have a little form with a silverlight bit for a person to sign their name and I was wondering if there was a way to have the submit button post to the controller and a silverlight code behind action... I tried adding a dom event to fire silverlight code but I guess that doesn't fire both events... Any ideas? ...

How to disable SWT event listening if the action is not triggered by user

I notice that the ModifyListener will be triggered regardless the action is caused by user or system itself, for instance, Text t = new Text(shell, SWT.BORDER); t.addModifyListener(new TModifyListener()); ............................................... private class TModifyListener implements ModifyListener { @Override public void...

event handlers for items of contextmenustrip

Hi, I am adding a right click functionality on individual nodes of a treeView in my C# code. The options like "Add", "Delete", "Rename" should pop up when the user right clicks in those nodes on the tree. Now depending on the node that is being clicked, I am filling up the menu as using the following statememnts: contextMenuStrip1.Item...

Can I get usable data in a jQuery live handler for a custom event?

jQuery now allows you to use live to handle custom events, something I've used in my latest project and found very handy. I have come up against a limitation/bug, however, that I'm hoping someone will be able to help me with. When you trigger an event, you can pass additional array of data too, like this: $(this).trigger('custom', ['f...

Event Handler Management / View list?

Hi, I've made an event handler on a list (with the ID of the custom list) with a feature. I activated the feature, but my Event Handler Code is never called (the ItemAdding method). My question is if there is something that can tell me if the list I created is really tied up with my Event Handler? I've seen something on CodePlex but it ...

C# Events: How to process event in a parallel manner

I have an event which I would like to have processed in a parallel manner. My idea is to make each callback be added to the ThreadPool, effectivley having each method that registered the event handled by the ThreadPool. My try-out code looks something like the following: Delegate[] delegates = myEvent.GetInvocationList(); IAsyncResult[...

Do event handlers stop garbage collection if the hanlder is in a seperate assembly?

If I have a class declared in assembly A, and am listening to it in assembly B, will this prevent garbage collection. Its a common situation, such as the one where you are listening to a property of an object in the business model from the ui. i saw this question which talks about event listeners and garbage collection, but this questio...

Window moving and resizing interferes with MsgWaitForMultipleObjects

I have an application that message-loops using MsgWaitForMultipleObjects to catch additional events while pumping ui messages. It seems that as soon as a window is being moved or resized, DefWindowProc begins it's own message loop until the mouse is being released. This situation prevents from the outer loop to catch the additional messa...

Prevent Form Deactivate in Delphi 6

We have a Delphi 6 application that uses a non modal form with in-grid editing. Within the FormClose event we check that the entries are square and prevent closure if they're not. However, if the user clicks on the main form behind then the original form disappears behind (as you'd expect) but this allows the user to move to a new recor...