events

text changed event not fired

I need to add 1 event for textbox into my webpage (created in ASP.NET with C#) and I was declared in the Page_Load function and into asp syntax: protected void Page_Load(object sender, EventArgs e) { textbox1.TextChanged += new EventHandler(textbox1_TextChanged); } public void textbox1_TextChanged(object sender, EventA...

Why do I get a "Object reference not set to an instance of an object" on my custom OnLoaded event?

What do I have to do to get this code work? I simply want the class to throw an event when it is finished loading and the consuming class to react to it. It gets an error on OnLoaded saying it is null. using System; using System.Windows; namespace TestEventLoaded8282 { public partial class Window1 : Window { public Wi...

How can I make consuming custom events on my classes optional?

When I comment out the fm.OnLoaded line below, it gives me an error that OnLoaded is null. How can I make it optional for the caller of my class to consume the event or not as with .NET classes / events? using System; using System.Windows; namespace TestEventLoaded8282 { public partial class Window1 : Window { public W...

bizarre event behaviour in flash AS3

This is the strangest most unexplainable and frustratng thing I've experienced with flash and I have no Idea how to solve the problem. Consider this function public function trackDownloadHandler(event:MP3DownloadEvent):void { dispatchEvent(event); //dispatchEvent(new MP3DownloadEvent(MP3DownloadEvent.OPEN,event.channelPadID)) ...

Question about Windows Events

I was talking with an employee the other day and I remember them mentioning a tool that we use that enables you to see what messages the OS sends/receives when an event occurs (for example, when a link is clicked in Internet Explorer (or another browser)). Can somebody please tell me what this app is called? ...

How to create click events by ruby.

Hi. I wanna to create mouse click events by ruby. left-click, right-click is there some library to do this? thanks for your concerns. ...

How can I make a UIButton perform my class method when tapped?

How can I make a UIButton perform my class method, +doSomething:(id)sender, on class MyClass, after any event like UIControlEventTouchDown? Can I use -addTarget:action:forControlEvents: like I do for instance methods? Thanks in advance. ...

Handling application exit in a Cocoa plug-in loaded into a Carbon application

I have a Cocoa plug-in that is loaded into an existing Carbon application. When the plug-in is first loaded, the Carbon application calls an initialization function, Plugin_Init() and in that function I set up the environment like so: //this is the global autorelease pool static NSAutoreleasePool* globalPool = nil; void Plugin_Init()...

When does an event of a master page fire? What is the order of firing events between Master page and Content page in asp.net?

hi When does an event of a master page fire? What is the order of firing events between Master page and Content page in asp.net? ...

Child control view model event

Hi, I seem to have got stuck in a situation where I have a parent and child usercontrol. I want to be able to raise an event in the child and have the parent handle this event. How do I trigger the event in my child view model and handle it in the parent view model. If anybody has a simple example that would be really good. Thanks v...

How to add onclick event to treeview in php(jquery plugin)?

Hello, I have realized a asynchronous treeview in php, now i want to add onclick event to the items in the treeview, and then make query in mysql. Do you know how to do that? Thanks a lot. Edit: Async.html: <script type="text/javascript"> $(document).ready(function(){ $("#black").treeview({ url: "twodimen.php" }...

Is there any way to create indexed events in C# (or some workaround)?

The caption is confusing. Let me clarify a bit: I'd like to provide events that depend on a parameter so an observer can decide to receive events if something happens to a specific "id". It could look like this: public event EventHandler Foo (string id); I'm aware that this syntax is wrong in .NET 3.5, and I'm also aware that this id...

Automated Emailer at a set time

Hello. This is my first question so i will try and keep it consise and accurate, but go easy on me if you need to know anything extra. Task: I have intended to write some code to send a newsletter to my members at a set time. (the early hours on a friday or saturday) The actual time does not need to be precise, but it needs to be rough...

Correct the value on datetimepicker when user selects a date

Whe a user selects a value in my TDateTimePicker I want to override the to-be-set value to the start of the week that goes with the selected value. I tried setting it in the OnChange event, but then the originally selected value will be set right after I finished the event. How would I go about this? ...

How to sequence events in Actionscript 3

I've been working with AS3 a lot over the last weeks and I've run into a situation that google hasn't been able to help with. The crux of the problem is that before I run a function I need to know that certain conditions have been met, for example loading my config.xml and putting it into a class variable. Where I run into trouble is tha...

jQuery - overlapping click events... How to prevent one

I'm currently working with a click event that fires an ajax call. I'd like to leverage a small plugin which, will handle some form data validation. The problem is that both the ajax call and the validation function of the plugin will be fired on the same click event. In the end, I'd like the plugin to override the ajax function. I'm not...

Handling Application Exit events RubyCocoa

Hi, I guess the title is very clear. I would like to handle the Application exit event in RubyCocoa in order to write a file just before closing. Thanks for your help ...

UIView has no events

I want to be able to connect the touchUp event of my UIView to an IBAction, but I can't see any events. I thought that there was a subclass of UIView that did have actions. ...

How to modify web page elements loaded in a browser

I want to associate some actions with keys (of a keyboard) and then modify the contents of a webpage loaded in the browser. For example, I'll write a firefox plugin and that would be listening to some keyboard events. Based on a key press (or something like that) I want to modify the html code of the page. For example, I would like to ch...

bind this keyword for non-anonymous functions

Hi, Let say I have the following code $("p").bind("click", function(){ alert( $(this).text() ); }); When the user clicks a <p>, an alert show up. What's good here, is that I make use of the "this" keyword. Now I want to get rid of the anonymous function (using it multiple time per script); $("p").bind("click", myfunction()); myfun...