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• plt-scheme : catching mouse click event on canvas

  - by Thura

  I am writing a tic-tac-toe game in plt-scheme as my AI course project. The idea for gui is a grid with 9 boxes, each with a canvas, using panes ... When the user click on a canvas, 'X' or 'O' will be drawn accordingly ... The question is how can I catch mouse click event on canvas? I found out I need to use on-event, but still don't know how? Any clues?

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• CheckBox CheckedChanged Event without autopostback

  - by user279521

  The CheckedChanged event of a checkbox fires upon autopostback. Is there a way to fire that event with autopostback set to false?

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• Responding to the onmousemove event outside of the browser window in IE

  - by Matthew Lock

  In Internet Explorer 7 body onmousemove or document.onmousemove events only seem to fire while the mouse is inside the browser window, not when it's outside. Yet in Firefox the onmousemove event is called correctly when I move outside of the browser window. How can I setup an event to be called outside of the browser window in IE? Google Maps does this in IE. If you hold the mouse button down and move the mouse outside of the browser window you can see that the map still moves.

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• What's the primary use of Windows Event Viewer?

  - by james.ingham

  Hi all, Just wondering what everybody's opinion is on the Windows Admin tool Event Viewer? I'm writing a WCF application at the moment and have started logging errors to the windows event viewer when I handle them. I then started thinking, should I be logging more than just errors, such as when a user has logged in or out or would you go further logging even more activity? Or is this a tool that's mainly used for testing without using the debugger? Any input appreciated:-)

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• How to raise a System KeyDown event manually in .Net Compact framework 3.5

  - by Sundar

  I have developed a custom keypad using resco controls in my application I have currently handled the backspace button click event with the following code private void customKeyboard1_KeyboardKeyUp(object sender, Resco.Controls.Keyboard.KeyPressedEventArgs e) { if (e.Key.Text == "Backspace") { Resco.Controls.Keyboard.CustomKeyboard.SendBackspace(); e.Handled = true; } } This works fine with the edit boxes in the application but not working in edit boxes in the web pages (for eg. on gmail username text box). so is there any way to raise the KeyDown event manually

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• Event Listner in php

  - by isurulucky

  Hi, I want my web server to notify me through a php page when an event occurs at a another TCP server, to which the php page has successfully connected via a socket. The event is like the TCP server want to send a message to the web server, etc. Is there any way to accomplish this and/or any references on how to do it??? Thank You!!

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• Preventing a dialog from closing in the button's click event handler

  - by qster

  I have a dialog that I show with <class>.ShowDialog(). It has an OK button and a Cancel button; the OK button also has an event handler. I want to do some input validation in the event handler and, if it fails, notify the user with a message box and prevent the dialog from closing. I don't know how to do the last part (preventing the close).

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• JQuery, bind same function to 3 different textbox's keyup event

  - by Miral

  I have 3 textboxes and on the keyup event for all the 3 I want to call the same function? In the below code, I am tring to bind 'keyup' event to 'CalculateTotalOnKeyUpEvent' function to textbox named 'compensation', but it doesn't work $("#compensation") .bind("keyup",CalculateTotalOnKeyUpEvent(keyupEvent)); function CalculateTotalOnKeyUpEvent(keyupEvent) { var keyCode = keyupEvent.keyCode; if (KeyStrokeAllowdToCalculateRefund(keyCode)) { CalculateTotalRefund(); } }; Thanks..

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• Javascript onfocus event

  - by tazim

  I have textbox whose value if entered needs to be validated using some regularexpression I need to validate the value as user is entering the data. Which is suitable event can be used for this ? some sample example of using onfocus event on textbox will be helpful

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• ASP.NET event handler basic question

  - by anshu

  Hi, I am confused, wanted to confirm the below statement - We can create multiple event handle method for the same event? I think yes, beacuse it is overloading concept? right? Please correct my understanding or advise. Thanks.

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• Change event on <select>

  - by adivasile

  If i attach a change event listener on a<select> how do i acces the option that was selected (not just the value, the actual element). $('select').addEvent('change',function(event) { //?? }); Note: i'm using Mootools

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• How to add a Facebook Event with new Graph API

  - by kkubasik

  I am trying to create an event using Facebooks api. (From a django app) Has anyone created an event with the new graph api?

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• changing trigger event of MVC 2 client validation

  - by Muhammad Adeel Zahid

  Hi Everyone i m developing a website using .NET 3.5 with MVC 2.0. For server side validations i m using ComponentModel.DataAnnotations. these validations are reflected to client side by html helper's method Html.EnableClientValidation(). this scheme works fine for except that it triggers the validation on blur event of each form control whereas i want to have it triggered on form's submit event. any suggestions in this regard are highly appreciated regards

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• Javascript Event Bubbling Not Working As Expected

  - by Dean Bayley

  Hi Guys, Having a nightmare trying to figure out event Bubbling.. Example here: link text From what i understand clicking in the area inside the red border should trigger all 3 event handlers (red, blue & body), only red and body are triggered.. I have tried altering the third value of addEventListener and changing the return values but to no avail, any ideas? D.

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• MenuItemClick Event Not firing

  - by ramyatk06

  hi guys, I am using asp:menu.In this asp menu,on clicking menu item,I want to get the menuitem,and its parent.I tried to use menuitemclick event.But menuitemclick event is not firing on clicking menu item.Can any body help?

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• Form Closing event

  - by johnm01

  Hi all, I have a smartdevice project targeting windows mobile 6. In the top right corner is an X (provided by the controlbox). i have an event on the form_closing that i was hoping would fire when the cross is clicked. But it doesnt :-( Does anyone know why this event is not firing ??? Thanks :-) John

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• Mouse event in Java

  - by Harish

  I am trying to move a JComponent say a label over a table.I am tracking this event using MouseMotionListener's mouseDragged method.This method perfectly helps me in tracking the item.Is there a way to track the mouse release after dragging is complete(.ie the dropping event). tktLabel1.addMouseMotionListener(new MouseMotionListener() { public void mouseDragged(MouseEvent arg0) { tktLabel1.setBounds(tktLabel1.getX() + arg0.getX(), tktLabel1.getY() + arg0.getY(), width, height); } public void mouseMoved(MouseEvent arg0) { } });

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• how does a non-blocking event loop work?

  - by aharon

  Twisted has a "non-blocking" event loop. I understand what a blocking event loop does (sort of, from the Wikipedia page) but can't figure out how a non-blocking one does.

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• prevent other event keydown on change

  - by Nik

  Hi, on my textbox i have 2 events onchange and keydown(for enter) now i did validation on onchange event if any validation fail then i raise alert but when i press press enter button if validation failed then i dont want to execute keydown event any suggestion Thanks, Nik

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• How to handle dblClick event on Fullcalendar daySlot?

  - by PH

  Hi, I know its possible to receive a dayClick event on Fullcalendar. But I would like to manage just the double click event. Is this possible? Thanks in advance! Best regards PH

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• Event triggering in server-side scripts

  - by Qiao

  In SO, when your question got answer. or you got new badge, event is triggered. Or when you got new PM in forum, it also lets you know by alerting message. You see message that something happened with your account when you enter site for first time after this event. How is this implemented? How do scripts know, that they have something new to show you?

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• how to detect event when pendrive is attached although already usb port is disabled in c#

  - by Priyanka Bhosale

  Hi I am trying to develop application which has 2 accounts one for admin & another for user. users allusb ports are disabled. Now when pendrive is attached to pc it should detect this event.If usb port is not disabled then this event is captured.But it is not detecting if usb port of user is disabled. Any help will be appriciated.

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• Drupal - Organic Groups event type/terms

  - by ernie

  I installed the OG Calendar module and I see dropdown select boxes with "event types" and "event terms". I checked Taxonomy but don't see reference to them there. Where do these come from & how do I maintained them?

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• How to register showing event handler for HoverMenuBehavior from ASP.NET

  - by Sergej Andrejev

  I'm talking about ASP.NET AJAX library. I'm using HoverMenuBehavior to display a tooltip. What I'm missing however is to display it left from tooltip referece or to the right depending on tooltip image position. I was thinking about using "showing" event I found through firebug, but can't figure out how to register it through ASP.NET I found showing event mentioned on this page: http://www.asp.net/ajaxlibrary/Print.aspx?Page=HOW%20TO%20Use%20the%20HoverMenu%20Control

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• BlackBerry - Consuming Click Event from ButtonField

  - by lalita

  I've developed UI application in blackberry. On Button Click event I want to display result of adding two number. How to handle this event in java app of Blackberry?

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