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- C# Sliding IN/Out Panel
- C# WinForm UI - How to make a Sliding IN/OUT Panel
- C# Winform Paint
- C# How to Use Paint and the C# Graphics Class to Draw Lines
- C# Drawing Application Tutorial: Part 1
- Paint Application in C# Visual Studio By Rohit Programming Zone
- How to create a paint drawing app (Windows Form Application) | C# tutorial | Episode 10
- Programming in C#: Learning to Draw (Getting to know the basics)
- Create Paint Using C#, Graphics in C#
- Create Paint Using C# - June 04, 2021
- Programming a Tetris Game in C# - Full Guide
- How to Create Advanced Tic Tac Toe Game in C#
- VS2008 Panel
- The Zen of WinForms Panel Sub-classing
- RESX Synchronizer
- DropDownPanel: a complete Expandable Panel
- Expandable panel on all four directions
- How to Create a Simple Expandable / Collapsible Panel
- Collapse Panel in C#
- Why to Build Your Own CSV Parser (or Maybe Not)
- IDataReader Stub
- Sliding Timer
- Action <T > Delegate
- Action Delegate
- C# Action
- C# | Action Delegate
- => operator (C# reference)
- Anatomy of the Lambda Expression
- C# - Anonymous Method
- C# - Anonymous Method
- C# - Object Initializer Syntax
- Control.Invoke Method
- Control.EndInvoke(IAsyncResult) Method
- Control.BeginInvoke Method
- Calling Synchronous Methods Asynchronously
- How to use BeginInvoke C#
- Call a Method Asynchronously using Delegate BeginInvoke and EndInvoke Pattern
- Calling Asynchronously Method Using BeginInvoke Method in C#
- C# : ASYNCHRONOUS PROGRAMMING USING BEGININVOKE AND ENDINVOKE METHODS
- Use BeginInvoke and callbacks to perform tasks asynchronously in C#
- Threading in .NET and WinForms
- Call a Method Asynchronously using Delegate BeginInvoke and EndInvoke Pattern
- .NET Framework Delegates: Understanding Asynchronous Delegates
- What's up with BeginInvoke?
- Asynchronous Method Invocation
- Changing a WinForms Control on the 'UI' Thread from another Thread
- Proper Threading in Winforms .NET
- Getting Around InvokeRequired Without Copy and Paste
- Threading and UI
- Presents an implementation of a Spiral Tic-Tac-Toe AI using a vanilla Negamax search algorithm and WPF DrawingVisuals
- Use BeginInvoke and callbacks to perform tasks asynchronously in C#
- What exactly does Delegate.EndInvoke do? Is it necessary to call? [duplicate]
- Why does asynchronous delegate method require calling EndInvoke?
- Threading in C# - Joseph Albahari
- PART 1: GETTING STARTED
- How to use BeginInvoke C#
- Six ways to initiate tasks on another thread in .NET
- ThreadStart Delegate:: Microsoft
- Creating threads and passing data at start time :: Microsoft
- Thread vs Threadstart
- Constructors of Thread class in C#
- iraSenthil/gist:930328
- Monitor And Lock In C#
- Monitor.Enter
- Monitor.TryEnter
- Monitor.Exit.
- Monitor.Pulse(Object) Method
In this Video We Will Make a Sliding Panel in C# completely from An Empty C# winform Project.
It is a Paint application in C# Winform completely from Scratch.
This video demonstrates how to create a winform application using Visual Studio 2012 (but will also work for 2010, 2008, and 2005). The application built focuses on how to draw lines with C# and use the Graphics classes that are available in .Net. It is intended for beginners looking to create their very first winform application.
Tutorial on how to make a drawing app using Winforms, Visual Studio, and C#.
in this video you will see,How you can create a Paint Application in C# Visual Studio By Rohit Programming Zone
In this video we learn: How to use Bitmap How to use Pen How to use Graphics How to open an image How to save an image
Learning how the Draw objects is a very useful way of getting to grips with C# programming. We'll be adding Form-elements, events and some basic calculations. Don't worry too much about the variables and calculations, we'll be covering that in our next tutorial.
How to make your own Paint in Visual Studio C# !!!! Easy
How to make your own Paint in Visual Studio C# !!!! Easy
Learn how to program a Tetris game in C# using WPF.
How to Create a Tic Tac Toe Game in C# Using Windows Forms Application. You will also learn how to add buttons, Labels, and Panels to the C# application. The tutorial includes how to create a function and call the functions within procedures.
Collapsible Panel
How to make a custom panel control like in Visual Studio 2008 for a Windows Forms Application using the .NET Framework.
I’ve seen many heroic attempts of sub-classing WinForms Panel control; ranging from simply deriving a new class from Panel and adding the OnPaint event; via trying to hook into WM_NCCALCSIZE; to creating controls hosted inside controls to control the client area. You see, the problem with deriving from Panel is the layouting.
A tool for synchronizing multilanguage .NET Resource files.
Useful and simple, it can be used for options pages in your apps.
An expandable panel that you can set to expand/collapse bottom to top, top to bottom, left to right, or right to left.
How to create a Simple Expandable / Collapsible Menu Panel for Windows Forms in C#.NET
Collapse Panel is a usercontrol for using the collapsible panel. There is no more control for collapsing the content in a panel. This control allows you to scroll the contents which are in a panel. We can see the magic of this control by downloading the demo project which is attached with this article.
Comparison of CSV parsers plus one custom implementation
How to easily mock a data reader
How to run an action after a quiet period
Encapsulates a method that has a single parameter and does not return a value.
Encapsulates a method that has no parameters and does not return a value.
A delegate in C# represents a reference type that encapsulates a method. When we declare a delegate type we specify some parameters and a return type. We can only store those methods in delegates which has same parameters and same return type. Microsoft introduced some pre-built delegates so that we don't have to declare delegates every time. Action is one of the pre-built delegates.
Action delegate is an in-built generic type delegate. This delegate saves you from defining a custom delegate as shown in the below examples and make your program more readable and optimized. It is defined under System namespace. It can contain minimum 1 and maximum of 16 input parameters and does not contain any output parameter. The Action delegate is generally used for those methods which do not contain any return value, or in other words, Action delegate is used with those methods whose return type is void. It can also contain parameters of the same type or of different types.
The => token is supported in two forms: as the lambda operator and as a separator of a member name and the member implementation in an expression body definition.
Lambda expression
C# 3.0(.NET 3.5) introduced the lambda expression along with LINQ. The lambda expression is a shorter way of representing anonymous method using some special syntax.
As the name suggests, an anonymous method is a method without a name. Anonymous methods in C# can be defined using the delegate keyword and can be assigned to a variable of delegate type.
As the name suggests, an anonymous method is a method without a name. Anonymous methods in C# can be defined using the delegate keyword and can be assigned to a variable of delegate type.
C# 3.0 (.NET 3.5) introduced Object Initializer Syntax, a new way to initialize an object of a class or collection. Object initializers allow you to assign values to the fields or properties at the time of creating an object without invoking a constructor.
BeginInvoke and EndInvoke
Executes a delegate on the thread that owns the control's underlying window handle.
Retrieves the return value of the asynchronous operation represented by the IAsyncResult passed.
Remarks If the asynchronous operation has not been completed, this function will block until the result is available.
NOTE In addition to the InvokeRequired property, there are four methods on a control that are thread safe: Invoke, BeginInvoke, EndInvoke, and CreateGraphics if the handle for the control has already been created. Calling CreateGraphics before the control's handle has been created on a background thread can cause illegal cross thread calls. For all other method calls, you should use one of the invoke methods to marshal the call to the control's thread.
Executes a delegate asynchronously on the thread that the control's underlying handle was created on.
.NET enables you to call any method asynchronously. To do this, you define a delegate with the same signature as the method you want to call. The common language runtime automatically defines BeginInvoke and EndInvoke methods for this delegate, with the appropriate signatures.
How to use BeginInvoke C#
In this article, we will explore multiple ways to call a method asynchronously using Delegates. You can call methods asynchronously in four different ways using the BeginInvoke() and EndInvoke() methods of the Delegate class. The four different ways are using the EndInvoke pattern, WaitHandle, Polling pattern and using a Callback Pattern. In this article, we will see the Delegate EndInvoke Pattern. In the subsequent articles, we will explore the Polling Pattern and Callback pattern.
Sometimes we need to call a method asynchronously and don't want to wait until it completes execution.
There are numerous instances in software development where you would find yourself in a need to build responsive apps, an important part of which is the asynchronous way in which you would need to do certain operations like I/O, intensive DB reads or probably making a call to a third party web service hosted somewhere on the cloud.
The example Use BeginInvoke and EndInvoke to perform tasks asynchronously in C# explains one way to call a method asynchronously so it can run on a separate core or CPU. In that example, the program calls BeginInvoke several times to start several threads. It then calls EndInvoke to wait for the threads to complete and waits until they are all finished. While it waits, the main UI thread is blocked waiting for the EndInvoke calls to return.
Guide to handle threads in .NET and WinForms.
This article is to guide you through creating and handling threads in .NET. It has two sections: in the first section, we will see about threading basics and how to create threads in .NET using C#. In the second section, we will see how to handle threads in WinForms.
Abstract: In this article, we will explore multiple ways to call a method asynchronously using Delegates. You can call methods asynchronously in four different ways using the BeginInvoke() and EndInvoke() methods of the Delegate class
An article to help clarify delegates and how to use them asynchronously.
Why and when to use Control.BeginInvoke()?
How to use .NET to call methods in a non-blocking mode.
In this article, I am going to explain asynchronous method calls and how to use them. After playing with delegates, threads, and asynchronous invocation for so long, it would be a sin not to share some of my wisdom and knowledge on the subject, so hopefully, you won’t be looking at an MSDN article at 1 AM wondering why you decided to go into computers. I will try to use baby steps and lots of examples… Overall, I will cover how to call methods asynchronously, how to pass parameters to such methods, and how to find out when a method completes execution. Finally, I will show the Command Pattern in use for simplifying some of the code. The big advantage with .NET asynchronous method invocation is that you can take any method you have in your project, and you can call it asynchronously without touching the code of your method. Although most of the magic is within the .NET framework, it is important to see what is going on in the back, and that’s what we are going to study here.
this.BeginInvoke()..
Illustrates a simple example of using the Invoke capabilities of Winforms
Instead of copying and pasting the same if(InvokeRequired) logic in every multithreaded function, use attributes to make code cleaner, its centralize logic and make it self documenting.
A simple asynchronous threading example for keeping the UI code relatively free from worker thread delegate proxy declarations.
his article presents a WPF implementation of Negamax, an AI game search algorithm, in the context of a Spiral Tic-Tac-Toe game. The implementation of Negamax is vanilla and requires little explanation, but it does serve well as a fun way to get familiar with WPF. Rather than discussing the details of Negamax, this article discusses what needs to be done to reach the goal, which involves going over WPF threading as well as the use of DrawingVisuals. Additionally, there remain clear areas of improvement you may choose to explore. In order to reach a greater search depth, you can improve Negamax with a search tree pruning technique such as alpha-beta pruning. Alternatively, you can adapt the algorithm to a 3D tic-tac-toe game, which can serve as a good motivation for getting familiar with WPF 3D graphics.
Use BeginInvoke and callbacks to perform tasks asynchronously in C#
Working on a multi-threaded application at the moment and when raising an event instead of doing the normal handler.Invoke(); I am experimenting with handler.BeginInvoke();. Both work fine. However, for BeginInvoke I am using null for the last two arguments because there needs not be a callback and since there is no callback, there is definitely no need for data to be passed to a non-existent callback.
Why does the delegate need to call the EndInvoke before the method fires? If i need to call the EndInvoke (which blocks the thread) then its not really an asynchronous call is it?
very good resource on Threading
In this section, we cover the multithreading APIs new to Framework 4.0 for leveraging multicore processors:
C# supports parallel execution of code through multithreading. A thread is an independent execution path, able to run simultaneously with other threads.
Could you tell me how can I use begininvoke exactly? What is Action type? Why there is blank brackets ()? And what does this mean =>?
Over the years, Microsoft have provided us with multiple different ways to kick off tasks on a background thread in .NET. It can be rather bewildering to decide which one you ought to use. So here’s my very quick guide to the choices available. We’ll start with the ones that have been around the longest, and move on to the newer options.
Represents the method that executes on a Thread.
When an operating-system process is created, the operating system injects a thread to execute code in that process, including any original application domain. From that point on, application domains can be created and destroyed without any operating system threads necessarily being created or destroyed. If the code being executed is managed code, then a Thread object for the thread executing in the current application domain can be obtained by retrieving the static CurrentThread property of type Thread. This topic describes thread creation and discusses alternatives for passing data to the thread procedure.
Note Visual Basic and C# users can omit the ThreadStart or ParameterizedThreadStart delegate constructor when creating a thread. In Visual Basic, use the AddressOf operator when passing your method to the Thread constructor; for example, Dim t As New Thread(AddressOf ThreadProc). In C#, simply specify the name of the thread procedure. The compiler selects the correct delegate constructor.
In C#, practically, I haven't observed any difference between the following:
In this article, I am going to discuss the Constructors of Thread class in C# with some examples. Please read our previous article before proceeding to this article where we discussed the basics of Multithreading in C# with examples. As part of this article, we are going to discuss the following pointers in detail with examples.
Very Good Summary
Different ways to create and run thread
When working with a multithreading application it is very important for developers to handle multiple threads for a critical section of code.
Monitor and lock is the way to provide thread safety in a multithreaded application in C#. Both provide a mechanism to ensure that only one thread is executing code at the same time to avoid any functional breaking of code.
The Monitor class object uses the Monitor.Enter, Monitor.TryEnter, and Monitor.Exit methods. Once you have a lock on a code region, you can use the Monitor.Wait, Monitor.Pulse, and Monitor.PulseAll methods.
It is associated with an object on demand.
It is unbound, which means it can be called directly from any context.
The Monitor class has the following methods for the synchronize access to a region of code by taking and releasing a lock,
Monitor locks objects (that is, reference types), not value types. While you can pass a value type to Enter and Exit, it is boxed separately for each call.
Wait releases the lock if it is held and waits to be notified. When Wait is notified, it returns and obtains the lock again. Both a Pulse and PulseAll signal for the next thread in the wait queue to proceed.
Notifies a thread in the waiting queue of a change in the locked object's state.
Remarks Only the current owner of the lock can signal a waiting object using Pulse. The thread that currently owns the lock on the specified object invokes this method to signal the next thread in line for the lock. Upon receiving the pulse, the waiting thread is moved to the ready queue. When the thread that invoked Pulse releases the lock, the next thread in the ready queue (which is not necessarily the thread that was pulsed) acquires the lock.
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