Event

event

Great Reads

Asynchronous Events in C#

by Mark Pelf

Tutorial article on Asynchronous Events invocation in C#

Domain Events with Convention-Based Registration and Deferred Execution Support

by Arthur Minduca

Domain Events registered by conventions with the container and fired only when the transaction is committed

Learning C# (Day 11): Events in C# (A Practical Approach)

by Akhil Mittal

This article of the series "Diving into OOP" will explain all about events in C#. The article focusses more on practical implementations and less on theory.

JavaScript – Events Bubbling – Illustrated

by Mark Pelf

Tutorial on “Events Bubbling” in JavaScript language

Latest Articles

JavaScript – Events Bubbling – Illustrated

by Mark Pelf

Tutorial on “Events Bubbling” in JavaScript language

VB.NET/WinForms: Add MenuItem to SystemMenu

by vblover Programmer

Adding ContextMenu's MenuItem to the SystemMenu of Form in Windows Forms Application

Asynchronous Events in C#

by Mark Pelf

Tutorial article on Asynchronous Events invocation in C#

Self-Cleanable Collection and Self-Cleanable Event

by Vassili Kravtchenko-Berejnoi

Use of System.WeakReference for self-cleanable registration of (short-life) objects

All Articles

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Event

Asynchronous Events in C#

11 Sep 2022 by Mark Pelf

Tutorial article on Asynchronous Events invocation in C#

event

asynchronous

File system watcher sometimes does not pick up files properly even if the window service is running properly

23 Apr 2013 by Ian A Davidson

I am sorry that I only saw this question today. I have a several years' experience with FileSystemWatcher (and with the Win32 API functions when using C++ before C#).These are the main areas to look out for:1) As you said, make sure the code that handles notifications is as quick as...

Domain Events with Convention-Based Registration and Deferred Execution Support

27 Mar 2017 by Arthur Minduca

Domain Events registered by conventions with the container and fired only when the transaction is committed

Learning C# (Day 11): Events in C# (A Practical Approach)

6 Jan 2017 by Akhil Mittal

This article of the series "Diving into OOP" will explain all about events in C#. The article focusses more on practical implementations and less on theory.

.NET

event

delegates

JavaScript – Events Bubbling – Illustrated

13 Nov 2023 by Mark Pelf

Tutorial on “Events Bubbling” in JavaScript language

Javascript

event

Using Events: Filerenamer II Project

24 Feb 2019 by chuck in st paul

This is a utility program for bulk/batch renaming of files that demonstrates using and creating events

Self-Cleanable Collection and Self-Cleanable Event

27 Jan 2020 by Vassili Kravtchenko-Berejnoi

Use of System.WeakReference for self-cleanable registration of (short-life) objects

Crash Event C#

19 Oct 2010 by shakil0304003

You can see this link-> Click

event

How to have my Control informed when one of its events is assigned? (Solved)

6 Apr 2011 by Not Active

You tried something like this?private EventHandler onMyEvent;public event EventHandler MyEvent{add{Foo();onMyEvent = (EventHandler)Delegate.Combine(onMyEvent, value);}remove{Bar();onMyEvent...

event

forms

Info regarding custom events

17 Jul 2011 by Tarun.K.S

Hi,You can have a look at these articles which were in my Bookmarks list.1) http://www.blackwasp.co.uk/CSharpEvents.aspx[^]2) Second part: http://www.blackwasp.co.uk/CSharpEventAccessors.aspx[^]3) A very detailed article: To learn events, you must also have an idea about delegates....

event

C#, Mouse Event outside the Form

8 Apr 2012 by Sergey Alexandrovich Kryukov

Outside mouse events might be dispatched to some other application, so they might not logically exist for a regular .NET application. My first response would be this: you don't really need it. The behavior you want would contradict the accepted UI model of the OS; it would also drives your...

mouse

event

A Robust and Elegant Single Instance WPF Application Approach Using WCF

18 May 2017 by Jon Campbell

How to utilize WCF to allow a single instance of any WPF application without needing mutexes, extra assemblies, or special "hacks".

Manage business logic in Access forms

8 Mar 2012 by Torsten Tiedt

Avoid event spaghetti code when business logic becomes complex.

How to suppress input events in .NET Compact Framework

10 Feb 2012 by Bertus Bever

Suppressing key and mouse events while loading

Listening to caret update WPF TextBox

13 Apr 2012 by Sergey Alexandrovich Kryukov

I remembered that I completely solved this problem, so I looked at my old code and found it. All the changes in caret position will be caught if you override the virtual method TextBox.OnSelectionChanged. You can also handle the event SelectionChanged, of course. I prefer to subclass the control...

WPF

event

No overload for 'lnkCustomer_Click' matches delegate 'System.EventHandler'

10 Aug 2012 by fjdiewornncalwe

As Wes has pointed out in his comment, the definition of your method is incorrect. If you are responding to a click event on a LinkButton as you are in this case, then the method must have a definition that matches protected void MethodName(object sender, EventArgs e). Yours is using...

event

handler

overloading

No overload for 'lnkCustomer_Click' matches delegate 'System.EventHandler'

10 Aug 2012 by Wendelius

The System.EventHandler delegate expects you to have a method with a specific signature present. See: EventHandler Delegate[^]So your code should probably be like:protected void lnkCustomer_Click(object sender, System.EventArgs e) { ... }Addition:Casting the sender...

event

handler

overloading

Handling user control events in WPF

19 Jul 2012 by bahman aminipour

Hi everybody, I have a simple UserControl and a Button on it. How can i define a custom click event for my control so that when i use this user contol in the application, clicking the button, raise my custom event?

WPF

event

Safe Trigger Extensions

4 Mar 2010 by Simon P Stevens

This code provides SafeTrigger extension methods as a way of triggering events in a thread safe way.For details on usage, a discussion of reasons and alternatives, and a full solution download see my article on safely triggering events[^]Multiple overloads are provided for convenience to...

.NET

event

threads

Manage all textchanged events with one declare

18 Oct 2010 by Arindam Tewary

Hi,You can write one method to handle multiple textbox's textchanged method.EventHandler takes the name of the method to be associated with the event. Hence if you mention same name for multiple textchanged, it would work.TextBox1.TextChanged += new...

C#3.0

event

scope of variables and events problem

18 Feb 2011 by Nish Nishant

Adding to John's answer:Two problems in that code (although this may not be your actual code)1. You are not instantiating your FileSystemWatcher anywhere.2. Make OnChanged a non-static method and it will be able to access the a member.Suggestions:1. Make a a List instead of...

event

Doubt in event handlers using C#

10 Mar 2011 by Sandeep Mewara

Using Visual Studio DEBUGGER? What say?

C#2.0

event

Info regarding custom events

17 Jul 2011 by Richard MacCutchan

Take a look at this article[^] on MSDN. You may also find that a search of the CodeProject articles will find you some useful samples.

event

what is form OnPaint event?

13 Sep 2011 by Mohammad A Rahman

It might be helpful,OnPaint[^]Control.OnPaint[^]:)

event

what is form OnPaint event?

13 Sep 2011 by Abhinav S

Form.OnPaint overrides the Control.OnPaint event. Read more about this here[^].

event

How to invoke an event handler in C++/CLI ?

21 Oct 2011 by Sergey Alexandrovich Kryukov

Yes, this is well-known problem — C++/CLI is very different. Solution is also well-known, but it might look very unusual: not only you are not allowed to do the check like if(OnCppCliEvent != nullptr), you also never need it!In other words, just delete this check — the code will...

C++

event

CLI

How to raise an event Programmatically

23 Dec 2011 by theanil

i got 2 solutions in code project for raising an event Programmatically, raising an event programmatically[^]How to call "click on column header" event programmatically?[^]

event

Doubt about events: How to notify me when a variable that begins with the value 300, drops with a while loop to 10, but when reaches 30, the event raises.

18 Jul 2012 by lukeer

First version: just the console output:private static int Main(){ for( int i = 300; i > 10; i--) { if( i

event

Exposing usable Type info from the EventArgs argument.

15 Aug 2012 by Sergey Alexandrovich Kryukov

The idea is very simple. You almost got it, should just think about it.The kind of late binding you use is of the level of plug-in (your "registered" DLL) and the plug-in architecture. You need to look at it as at the whole architecture, and it all will be clear to you. The think is: the...

NullReference thrown when the object is not null

25 Sep 2012 by OriginalGriff

The possibilities are pretty obvious:1) categoryMember is null, either because CategoryDataGrid.SelectedItem is null, or is not a CategoryTbl,or2) CategoryName is null.Put a breakpoint on the first line of the handler, and step through until you find out which. Then you can either fix...

WPF

event

DataGrid

[C#] Events Changing Control Properties

2 Aug 2013 by Ron Beyer

if (someflag == true) { if (lblsomelbl.InvokeRequired) lblsomelbl.Invoke((MethodInvoker) delegate { lblsomelbl.Text = "1234"; }); else lblsomelbl.Text = "1234"; }Basically you have to change properties that interact with the...

controls

event

forms

Timer tick event is automatically disabled by Picturebox paint event

22 Feb 2014 by Sergey Alexandrovich Kryukov

Dave Kreskowiak is right, please see his comment to the question. Nothing is cancelled or disabled.Not only handling Paint event of the PictureBox makes no sense, using PictureBox for rendering graphics makes no sense at all (even though it is possible). This is just a control designed to...

eyepatch - A Library of Notification Based Objects for TypeScript/JavaScript

8 Nov 2016 by slavik57

A library of notification based objects for TypeScript/JavaScript

C# Like Event Handlers Pattern in Java

26 Mar 2017 by Danilow

Simulating C# event handlers in Java

Java

event

delegates

Timer tick doesn't fire another form button click event

17 Jan 2022 by Dave Kreskowiak

That code won't even compile so everything else you said about it doing something doesn't matter. This comparison is not possible and will keep your code from compiling: If Label10.Text >= "1"

Raise C++ event and catch in C#

8 Feb 2011 by Nish Nishant

Your delegate is not marked public, so it will default to internal. So even though your class is public, and so is the event member within the class, the event type itself will not be accesible. Mark the delegate to be public too.

C++/CLI

event

How to stop invoke events?

27 Jul 2011 by OriginalGriff

Don't add a handler for the event if you don't want it?If you don't specify a handler, nothing unusual happens...

event

How to identify event sender

5 Dec 2011 by OriginalGriff

Use the Tag property:public Node(){ _nodeID = -1; _nodeName = String.Empty; _nodeLastMessage = new DateTime(1, 1, 1, 0, 0, 0); _nodeExpiredTimer = new Timer(); _nodeExpiredTimer.Tag = this; // Add this line. _nodeExpiredTimer.Interval = 10000; ...

event

MultiHandle

How to raise an event Programmatically

23 Dec 2011 by Sergey Alexandrovich Kryukov

In clarification of other answers:The event objects have a number of limitations compared to delegate instances used directly. One important limitation is: there is only one way to invoke an event: in the code of the class where the event instance is declared. It is not possible to invoke a...

event

WebBrowserControl - HtmlElement Events Monitor

12 Jan 2012 by South 305

I would like to MONITOR an HTML control (HtmlElement) inside a WebBrowserControl. I would like to add EVENTS to the control in order to be notified whenever any EVENT got call(fire) on that control.To simplify my needs here are 3 questions assuming the following single line of code: var...

C# Media player volume changed event?

2 Feb 2012 by Sergey Alexandrovich Kryukov

It looks like this problem is solved in this CodeProject work:Vista Core Audio API Master Volume Control[^].Locate the sentence: "If you just want to be informed when somebody changes the volume settings, you can subscribe to the OnVolumeNotification event".See also:...

event

media

C# events system and object sender

16 Jan 2013 by grimbeast

//Casting sender to GenEventvar s = sender as GenEnvent;if (s != null){ //Do your thing}//Check type of sender to be GenEventif(sender is GenEnvent) Console.WriteLine("From registered workout {0}", sender.ToString());

event

C++: Global event opening problem

29 Jan 2013 by Alexey Loire

Just managed to solve my problem via using SPECIFIC_RIGHTS_ALL | STANDARD_RIGHTS_ALL flags in grfAccessPermissions which can be found in EXPLICIT_ACCESS structure.EVENT_ALL_ACCESS - didn't work for some reason ;(Sorrowfully there's not a single manual that describes what values does this...

C++

event

Implement events in a C++ DLL

26 Mar 2013 by nv3

You have probably forgotten to define the static pointer in your cpp file of class CSharedData. There should be a definition:void (*CSharedData::CashierDisplayEventRef)(char Text[256]) = 0;That's where the unresolved external originates from.

C++

event

DLL

Implement events in a C++ DLL

26 Mar 2013 by Matthew Faithfull

You've declared a static member CashierDisplayEventRef but have you actaully created such a member?Static members need to be defined and initialised outside the class declaration. Do you have a line in a .cpp file somewhere like:-void (*CSharedData::CashierDisplayEventRef)( char[256] ) =...

C++

event

DLL

File system watcher sometimes does not pick up files properly even if the window service is running properly

9 Apr 2013 by Sergey Alexandrovich Kryukov

This is not really a "solution", but something you should better be aware of; please see these CodeProject articles:FileSystemWatcher - Pure Chaos (Part 1 of 2)[^],FileSystemWatcher - Pure Chaos (Part 2 of 2)[^].—SA

GridView relation with System.ComponentModel

28 May 2013 by Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

GridViewGridView Class[^].Quote:Displays the values of a data source in a table where each column represents a field and each row represents a record. The GridView control enables you to select, sort, and edit these items.Inheritance HierarchySystem.Object System.Web.UI.Control ...

ASP.NET

event

Gridview

gridview selected index changed event not firing

12 Jun 2013 by yourfriendaks

try this... protected void grd_Distributor_RowCreated(object sender, GridViewRowEventArgs e) { if (e.Row.RowType == DataControlRowType.DataRow) { e.Row.Attributes.Add("onmouseover", ...

ASP.NET

event

Gridview

VB.Net Events and focus of overlapping graphics controls

15 Jun 2013 by Ron Beyer

CAD software doesn't use controls for each object/line/rectangle. You use one control called a surface and draw on that surface. You then do your own object management.There is a limit to the number of GDI objects a program can have, and using one object per line/drawing object will quickly...

GDI

event

controls

Prevent pressing of a key in a textbox

20 Sep 2013 by Sergey Alexandrovich Kryukov

You cannot prevent pressing any key by the software, quite apparently. :-)You can make some control ignoring some clicks. For example, this is how to filter out all characters but digits:

Check/Uncheck checkboxes in GridView using JavaScript

11 Oct 2013 by ASP.NET Community

The question regarding how to check/uncheck CheckBoxes within a GridView control using JavaScript has been asked many times. Here is a quick

Javascript

event

Gridview

How to detach a dynamically made handler

13 Nov 2013 by BillWoodruff

When you define an Event Handler using Lambda notation, the resulting method is "anonymous" in the sense it's not available to be manipulated by the programmer once it has been created unless you keep a reference to it. That's really the same "visibility" logic that applies to anything you...

handler

event

fire client side event for gridview on selection of row in asp.net

8 Jan 2014 by Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

Yes ofcourse. Try like below. Use RowDataBound Event.protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e){ //check the item being bound is actually a DataRow, if it is, //wire up the required html events and attach the relevant JavaScripts if...

How Can I Create Dynamically Button And Event Handler

22 Jan 2014 by V.

First of all, why don't you add the button to your user control instead of on the form?if this is really your business case:Add controls to form[^]then you'll need to attach an event handler to it.I suggest you make sure the Button has a unique name or id in it's properties and let...

event

Simple Bitmap Buttons for WinForm Applications

6 May 2014 by Daniel Lieberwirth (BrainInBlack)

This describes a simple way to create interactive, bitmap based, buttons for WinForm applications.

std::thread and events

23 May 2014 by Sergey Alexandrovich Kryukov

The answer is actually in the comment to the question written by Zeee-M and myself.This is what you can use:...

C++

event

multi-threading

Where to place actionPerformed method in a class?

4 Oct 2014 by Sergey Alexandrovich Kryukov

Please see: http://docs.oracle.com/javase/tutorial/uiswing/events/actionlistener.html[^].—SA

Java

event

How to Use Scheduled Events in MySQL

1 Jul 2015 by Nuredin Abdella

In this tip, I will discuss how to create, alter, enable, disable and remove MySQL event in order to automate database manipulation tasks.

MySQL

event

Event pressing multi keys at the same time in WPF

2 Aug 2015 by Sergey Alexandrovich Kryukov

You never really press multiple keys down at the same time. You only can hold two or more keys down at the same time. Can you see the difference? At low level, keyboard gives out serialized sequence of events, without any "at the same time", but the events are not key presses. Such primary...

WPF

event

How to differentiate button colors using javascript

5 May 2016 by Karthik_Mahalingam

Try this var buttonId = 0; var classId = 0; var visitedbuttons = []; var lastbutton; function myFunction() { for (i = 0; i

Problem raising an custom event handler?

28 Jun 2018 by F-ES Sitecore

The parser has an event (DataReceived) that no-one is subscribed to. The only thing that subscribes to that event is the DataReceivedEventSubscriber, but it subscribes to the event of an instance of CurrentDataDataRespParser that is internal to itself, so the only time that event is going to...

How so suppress the indexchanged event when filling a listbox?

14 Feb 2019 by OriginalGriff

You could remove the event from the handlers list and add it back at the end: Add and remove event handlers dynamically in VB.NET[^] That effectively "disables" it while it's being filled.

event

ListBox

VB.NET/WinForms: Add MenuItem to SystemMenu

13 Dec 2022 by vblover Programmer

Adding ContextMenu's MenuItem to the SystemMenu of Form in Windows Forms Application

problem with memory leaks and .Net Remoting

3 Mar 2010 by Alaric Dailey

If I am understanding your problem correctly it sounds like you have an even that isn't freed. The way I found to solve this (when using custom objects) was to implement IDisposable and force the events to be cleared.

how to get method name of control event handler

11 Apr 2010 by hamed-vojdani

Hi allI want to find method name of control eventlike this public partial class MyForm : Form { public MyForm() { InitializeComponent(); this.button1.Click += new System.EventHandler(this.SayHello); } protected...

event

how to get method name of control event handler

11 Apr 2010 by Jordy "Kaiwa" Ruiter

Alright, I hope you are ready because Microsoft REALLY doesn't want people to do this :)First we capture the click event and store it in an object secret. Besides that we store property information of events inside eventsProp.System.Reflection.FieldInfo eventClick =...

event

MultiSelectControl

20 Apr 2010 by William Winner

You need to go back to the article where you found whatever control you're talking about (probably this one: Multiple Selection Control [^]).At the bottom of that page is a forum. Post this question there. This is for general quick answers, not article-specific questions.

C#3.0

WPF

event

Event Handler, new or not to new

16 Jun 2010 by #realJSOP

The first one is the way the IDE does it for you, and the second one is done by people who think it saves them something. I let the IDE do it."equal tab tab" gets it done.

event

MouseEvent without focus

2 Jul 2010 by Christian Graus

Please don't push 'answer' if you're not answering, edit your post, or comment on mine.You can use the Mouse.Capture method to capture the mouse, and then track it's position outside the control it was over from there.

Bubble events via browser windows

4 Aug 2010 by Svetlin Panayotov

Well, it's not exactly "bubbling", but this should work - in your child window, whenever the survey is finished you can do something like: function closeAndRefreshParent() { window.opener.location = window.opener.location; } ...

event

Bubble events via browser windows

4 Aug 2010 by Sandeep Mewara

You can also look at this article, doing almost something similar: Partial update of parent page via AJAX (ASP.NET 2.0) on close of a child window - conditionally[^]

event

How to ignore a leave event if a cancel button is clicked?

9 Aug 2010 by Simon_Whale

personally I would move your if (dscr.Text == null) MessageBox.Show("You must supply a description");into the next step button e.g. save or update button.

Visual-Studio

event

How to ignore a leave event if a cancel button is clicked?

9 Aug 2010 by E.F. Nijboer

Simon_Whale is absolutely right. It is never a good idea to put such a check directly on an edit button because you couldn't even close the form normally without getting the error. The user would be trapped unnecessarily. It is also more user friendly to give the user some freedom until Next...

Visual-Studio

event

Events - programmatically WPF

17 Oct 2010 by Abhinav S

You can get the object of the StackPanel in the code behind,StackPanel myPanel = new StackPanel();myPanel.MouseMove += new MouseEventHandler(myPanel_MouseMove);void myPanel_MouseMove(object sender, MouseEventArgs e) { //Do your stuff here}

event

Crash Event C#

19 Oct 2010 by Skeith2005

I'm fairly new to C# and I was curious, is there an event I can call when an application crashes? I have a program that writes and formats .csv files for use in store inventory, but some of these computers are riddled with errors (Not to mention my own noviceness with C#) are causing a few...

event

Crash Event C#

19 Oct 2010 by Dylan Morley

I'm guessing this is a Winforms application? You could set up some 'global' error handlers that will trap any exceptions you haven't explicitly handled in your code. In your application startup, have some code along the lines of/// /// Main thread exception handler/// ///...

event

How to catch the event of opening a file (just normal double clicked using mouse)?

17 Nov 2010 by Dave Kreskowiak

Screw all the "event" crap and write your own log viewer that scrolls to the bottom of the log by itself. This is extremely easy to do.Events only exist inside the application that is using them. There is no Double-Click event that you can subscribe to that comes from Explorer and lets you...

event

file

image control with radio buttons

29 Jan 2011 by Steve Wellens

1> All images come on new line i want them next to each other.Do you mean the user controls? Images by default display inline. You maybe able to change the way the usercontrol displays by setting it's style: style="display:inline" 2> How to detect which radio button is clicked as i...

ASP.NET

event

user-controls

Raise C++ event and catch in C#

8 Feb 2011 by Sergey Alexandrovich Kryukov

Events are not raised and caught, they are not exceptions. They are fired and handled. (Don't say, this is just terminology! I am not sure. Very often terminology is indicative of some misconception.) Now, the events ultimately are containers for delegate and invocation mechanism, there is...

C++/CLI

event

ASP.NET button click event in code behind file

5 Mar 2011 by Monjurul Habib

You can use the AutoEventWireup value true or false. By default its value is set to false. We can specify the default value of the AutoEventWireup attribute in the following locations:- The Machine.config file.- The Web.config file.- Individual Web Forms (.aspx files).- Web User...

Doubt in event handlers using C#

10 Mar 2011 by Olivier Levrey

Sandeep is right. Just put a break point into both handlers, run your app in debug mode, hit a key and see where you stop first.Normally, your handlers should be called in the same order of the assignements:...{ //first assignement MyEvent += MyEventHandler1; ...

C#2.0

event

How to get the TextChanged event of a StatusBarPanel

12 Mar 2011 by v.chjen

you can use databinding to bind text in your StatusBar with text in textbox.Than add handler to TextChanged event in textbox

event

statusbar

Dynamic construction of buttons in ASP.NET and onclick events not working

31 Mar 2011 by Keith Barrow

Do you re-create the button at postback? If not the event won't fire properly!

ASP.NET

event

How to have my Control informed when one of its events is assigned? (Solved)

6 Apr 2011 by Toli Cuturicu

Scenario:I have designed a Control inheriting from TextBox.I have implemented an event, which works well (does its job).Problem:I would like my Control to do something (invoke a method to check something and set some properties etc) every time this event is assigned from other class...

event

forms

cross threading event issue when i don't control the event

19 Apr 2011 by Andrew Rissing

The simplest approach to handling this problem is to perform an InvokeRequired check (assuming WinForms here) and if its required call Invoke.You would need to perform this within your _Scanner_DataEvent method.private void _Scanner_DataEvent(object sender, EventArgs e){ // Check...

event

threads

cross threading event issue when i don't control the event

19 Apr 2011 by #realJSOP

I'm not sure about your design. Is the scanner multi-thread capable? Can multiple scanner objects access different devices at the same time?

event

threads

cross threading event issue when i don't control the event

19 Apr 2011 by Sergey Alexandrovich Kryukov

I cannot see what threads should be involved in inter-thread communication. The big difference: if UI thread involved or not. Let's start with UI.If you need to operate UI from a non-UI thread, you cannot do it through any calls (isn't that natural?). Instead, you have to use methods Invoke...

event

threads

About C# WindowForm TextBox.MouseDown Event

29 Apr 2011 by Sergey Alexandrovich Kryukov

Finally, stop guessing and use the Debugger. Put a break point on your event handlers and under debugger look at the call stack to see where is the events are fired. You will see it in no time. How anyone can find you bug without looking at the code?Better yet, please understand that a main...

C#3.0

WinForms

event

The message resource is present but the message is not found in the string/message table

18 May 2011 by Yvan Rodrigues

The registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\eventlog\System\EventLog\EventMessageFile points to a file that contains valid sources, messages and IDs. The OS enumerated its known sources for event messages and didn't find one that matched your entry, so it returned...

.NET

event

.net events between assemblies

19 May 2011 by Sergey Alexandrovich Kryukov

First things to know: there is no barriers between assemblies (unless you artificially create barriers changing assembly permissions). Whatever you can do in one assembly, you can do in reference assembly. You only need to use public or protected (within the same class hierarchy) access...

.NET

event

C# Detect manual time change and daylight savings time events in windows events log

26 May 2011 by Kim Togo

There is a SystemEvents.TimeChanged[^] event that is triggered when the user changes the time on the system clock.When the program is not running, you can store the value in DateTime.Now.IsDaylightSavingTime and use this to compare at next startup.

event

time

Program to generate Tables

4 Jun 2011 by Christian Graus

This code is full of issues. Using Convert.ToInt32 will throw errors if there's not a number in the text box. IF you have an event being thrown, the sender object being passed to the event, is the control that threw it, so you can work out from there which text box it was. An array of...

.NET4

event

C# Calendar Event Help

22 Jul 2011 by Abhinav S

Have a look at the Calendar sample here[^]. Just using SelectedDate as show here[^].Remember though that this is a server control.

event

C# Calendar Event Help

22 Jul 2011 by Danny Hulmston

Try this quick solution for C# Windows Forms:DateTime selectedDate = Convert.ToDateTime(monthCalendar1.SelectionStart);textBox1.Text = selectedDate.ToShortDateString();Test it by putting the code within the monthCalendar1_DateSelected event. Try this solution for ASP.NET Web...

event

C# Calendar Event Help

23 Jul 2011 by Deaths_eclipsE

Not exactly what i wanted. What I'm to do is have events show in the textbox. For instance if the user's current selection is 28/07/2011 It'll write "meeting friends". Thanks anyway. It gave me a rough idea.

event

C# Calendar Event Help

23 Jul 2011 by Eslam Mostafa

i'm fined a nice solution take itstep1:your form should contain1- tow textbox one of them visible=false2- calenderstep2://code under calenderTextBox1.Text = Calendar1.SelectedDate.ToShortDateString().ToString();//this textbox visible=falseif (TextBox1.Text ==...

event

C# Calendar Event Help

26 Jul 2011 by Deaths_eclipsE

Thanks. Disn't think of that. Case closed :-)

event

How to stop invoke events?

27 Jul 2011 by Christian Graus

Better than stripping events, is to set flags that tell you in each event handler, if the code should run or not. In key press events, you can also reject the event by setting the Handled property on the eventargs.

event

How to handle textbox's load event

13 Aug 2011 by Sergey Alexandrovich Kryukov

There is no such event; there is no a concept of loading of the text box. There is a read-only property System.Windows.Forms.TextBox.Text. The setter of this property fires the event System.Windows.Forms.TextBox.TextChanged. Use it — this is what you need.—SA

How to Write Code for a event in vb.net

21 Sep 2011 by Prerak Patel

Use AddHandlerAddHandler Form.Paint, AddressOf Form_Painthttp://msdn.microsoft.com/en-us/library/7taxzxka(v=vs.80).aspx[^]

.NET

event