Windows Forms (WinForms) is the name given to the graphical application programming interface (API) included as a part of Microsoft .NET Framework, providing access to native Microsoft Windows interface elements by wrapping the extant Windows API in managed code.

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Problem with C# File IO in Winforms [migrated]

I'm having issues with a C# Winforms file IO. The code complies just fine, but then it returns errors on execution. The output code is here: private void saveData() { string fullPath = ...
0
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26 views

Event-handling in WinForms MVC-Implementation

I am trying to implement sort of an MVC-Pattern (Passive View) for a winforms-application to clean up the code. The basics are quite clear and I did implement some views of the application in ...
1
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1answer
80 views

Pattern for communicating between nested usercontrols and parent form (C# / Winforms)

I'm trying to decide the best way to handle communication between a UserControl that is nested within another UserControl and the parent Form itself. I have a Form, inside the form there's a ...
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0answers
83 views

Is it possible to have multiple threads using Background Workers for different controls within one GUI

In my current project i have a CPU intensive 3D chart that needs to be updated in real time. I have been using background workers for the project and using those, i do all the processing in the ...
1
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1answer
134 views

Multi-threaded winforms with multiple child forms using sockets

I develop application with two main option grouped by groupBox in main form. First option is run server with specific behaviour for example I choose TCP protocol, type IP address, port number and ...
2
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1answer
98 views

Two way communication between Form and plugins

I have started to develop a support tool for an old legacy system that is no longer maintained but still needed for the foreseeable future. The legacy system offers few, clunky and error prone methods ...
1
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1answer
62 views

Databinding When View Differs From Model

I have an entity Customer. Customer has a collection of Accounts. I have corresponding classes. The Customer class has-a List<Accounts>. I have two views. First page shows the Customer's name, ...
2
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1answer
240 views

How do you separate view from logic in a Winform application?

I know there are patterns like MVC to separate view from logic, however, I don't know how common they are in Winform applications. For a C# Winform application, I may start with a Form and gradually ...
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1answer
90 views

proper exception handling (throwing/message) dll libary

I just wrote a dll library using vb.net. while testing, i got an error which i did not initially use a try-catch block. The code is Try 'The first four bytes are for the Command ...
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0answers
142 views

Choosing the right design pattern/architecture for a scenario

I have a situation, in which I would like your opinion about the best approach that I should take. Let's consider 10 classes (obj001, obj002 etc.) all which represent some business entities, and are ...
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2answers
342 views

Would redrawing controls in c# give more performance?

Now I realize this is a kind of weird question but here it is: Let us assume I redraw all the controls by myself rather than using the default provided ones (Obviously I'm talking of winforms as WPF ...
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2answers
537 views

Productivity using .Net WPF for large ERP (LOB) desktop applicatons ~1500 forms\dialogs [closed]

I am wondering if WPF will fit in my case: We want to refactor an old legacy application written in a 4GL language with about 1500 forms\dialogs. We want to do that in .Net (desktop application), now ...
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2answers
419 views

What is the best way to allow a user to specify a SQL server and database from a Windows application?

I am working on building a Windows application that will require a connection to at least two different Microsoft SQL Server databases (for example, a source and a target), which may or may not be on ...
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0answers
152 views

How should one handle a Parent-Child relationship using MVP?

In a conventional MDI WinForms application, one would go like this: public partial MainMdiForm : Form { public MainMdiForm() { InitializeComponent(); } private void ...
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3answers
831 views

BackgroundWorker starting again in Completed event

I want a background worker to continue running and occasionally update the user interface. My first idea was to use a BackgroundWorker and in its completed event just fire it up again. Is using a ...
1
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1answer
142 views

Where to store front-end data for “object calculator”

I recently have completed a language library that acts as a giant filter for food items, and flows a bit like this :Products -> Recipes -> MenuItems -> Meals and finally, upon submission, ...
1
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1answer
153 views

Changelog Management [closed]

I'm currently developing a WinForm application. In order to inform the client about the improvements and corrections made during the last version, I would like to manage and display a changelog. I ...
0
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1answer
164 views

Can't understand on how to implement MVP/MVC for my software requirements [closed]

Recently I decided to start developing a client/service based system using WCF and a Duplex Channel (callbacks from Service to client). The clients will behave as "slaves", that is, they will only ...
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2answers
1k views

Organizing solution / project structure and classes for Line of Business Application (LOB)

The question how-do-you-organize-your-projects already has a few good answers. I would like to get a better understanding about this suggested structure: MyApp.Core MyApp.Model MyApp.Presenter ...
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1answer
1k views

Differentiating Standalone and Client-Server architectures

I was wondering what is the exact difference between a client-server and a standalone application, particularly in following scenario. For example lets say there is a win forms application running on ...
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1answer
1k views

When deciding a Primary Key, can I use Date part of a DateTime field

I'm designing a payroll system I have designed a database with several tables and this question is related to following tables EMPLOYEE (Employee_ID [pk], Name,... etc) LOCATION (Location_ID [pk], ...
3
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1answer
382 views

Showing a View from another View in MVP

This question is regarding MVP triads. Lets say I have two triads and first one has View1, Mode1 and Presenter1. Second triad has View2, Model2 and Presenter2. Now what I trying to do is, I just want ...
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2answers
208 views

what to do when UX asks for an ugly, convoluted event driven design and you don't know how to implement it in a clean manner?

I have been tasked with creating a desktop client application that fetches data from web apis and presents it to the user. During the last month or so, I've spent most of my time and energy bringing ...
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1answer
550 views

Presenter accessing the value in text box using sender object

I have following method in my presenters which validates the user inputs on the UI. Basically to capture the value of the text property of the text box, it uses sender object which was passed in by ...
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0answers
872 views

Updating GUI in 'realtime' using events

My Plan Have a system that holds some objects Have a winforms-form that displays some key values of these objects When certain changes occur(object gets add / removed / datat change): Update GUI ...
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1answer
245 views

How to manage a winforms application installed in many PCs connected to a single sql database?

I have a winforms application that connects to a single sql server 2012 database and is executed in many PCs of a company. I'm having several problems with some transactions inside the application, ...
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3answers
325 views

How to restrict the violation of an N-Tier Architecture

Recently we fitted a 4-Tier Architecture in our project composed by the following four main layers : User Interface Layer. Data Access Layer. Domain Layer. Business Layer. All the layers fulfill ...
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1answer
422 views

How to create a WinForms project that is “WPF-ready”

I'm a C# developer who hasn't had the privilege of learning WPF yet. However, I recently initiated the architecture phase of a new project which I expect will eventually employ WPF (probably; although ...
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1answer
794 views

Better sticking with MDI or learning WPF? [closed]

I have a personal project I'm going to start working on soon. It will be database driven and have various screens that the operator may want to use. First thing I thought of was an MDI interface would ...
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1answer
296 views

SQL Update statement generator using C# Winforms?

I am trying to make an UPDATE STATEMENT generator using C# Winforms. I would like to build a statement generator which will print statements like this: UPDATE Customers SET ContactName='Alfred ...
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2answers
19k views

Should I use a list or an array?

I'm working on a windows form to calculate UPC for item numbers. I successfully create one that will handle one item number/UPC at a time, now I want to expand and do it for multiple item ...
4
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2answers
236 views

C# gadgets overloading the form (can't see the woods for the trees) [closed]

I have the task of taking over a C# program that is very badly written, however I am new to C#. The form has many objects including labels, buttons, panels, etc, which overlap each other. The form is ...
6
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2answers
275 views

Are there established algorithms for spacing out objects of unequal size?

I'm working on visualizing a hierarchy. There will be clusters of objects, each cluster containing rectangles of fixed width but variable height. I'd like to arrange these within a rectangular space ...
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6answers
8k views

What are the alternatives to resx file

I am developing a Windows application and I want to store all the text for labels, radio buttons, buttons, check boxes and column headers of grids at one place. I have tried using a class file, an xml ...
2
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2answers
1k views

MVP Implementation at the UserControl Level

I'm trying to figure out how MVP should be implemented at the UserControl level. I thought I had it, but I ended up reading a blog post that pretty much shut me down. Now I'm back at the start and ...
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5answers
472 views

The emperor's new code, or: how to communicate code efficiencies [closed]

So you've made some code changes that should hopefully speed up some part of an application. But there is just one problem - you don't know how it will perform in live. Different networks, different ...
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1answer
323 views

Is it possible to import vb.net form to blend?

I have created a windows form using visual studio design, that is simply drag n drop component into the form from Toolbox. Is it possible to import it into Blend and change its appearence using Blend? ...
2
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3answers
1k views

Is there a better way of handling access control logic instead of it being in the UI?

Through most of my dev experience, I've never had to deal with much variety of access control architectures. They've all been pretty straight forward: Group [Create, Update, Delete] - User 1 ...
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1answer
1k views

Which design pattern is typically used when designing a WCF data services driven Winforms application?

Please excuse me as I am a bit new to the following technologies and practices. I have been given the task to create a management suite utilizing an MDI GUI. This suite will be the front end to a WCF ...
3
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3answers
2k views

Why should form inheritance be avoided?

I remember learning VB4 and dragging a button onto a form, double-clicking on that button, and typing code into that event handler I had just been magically blessed with. Coming from QBASIC I was ...
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2answers
1k views

Implementing Context-based Undo/Redo Functionality

I'm currently implementing an undo/redo mechanism using the Command Pattern. Everything works so far. My problem now is to implement the undo/redo functionality in a way that it is bound to a given ...
9
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2answers
10k views

What is a proper way of building Winform apps with multiple “screens”

What's a proper way of building a Winform app that has multiple 'screens'? For example, I'm trying to write a small backup program (mainly for giggles), and I've been dumping controls and containers ...
5
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1answer
1k views

what kind of certificate needed for my application ?

I am releasing free C# softwares I've created using Visual Studio. In the future, some of these softwares might become Paid. I was wondering if I need to purchase any kind of license for them ? I ...
3
votes
2answers
956 views

What is the correct UI interface to learn for creating Windows phone 8 apps?

I am a veteran Delphi 6 programmer transitioning to C# development. My first project is a open source library that will have a minimal user interface since it is meant to be used as a Component ...
2
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1answer
965 views

Should I Use WCF For My Purpose?

I wrote two programs that server and client can connect to each other (one program for server and another for client) with their IP addresses (socket programming). Now I want to modify it so that if ...
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1answer
1k views

what is difference in section and subreport, where to use multiple sections?

Please share your knowledge about these Crystal Reports concepts. I want to know what is difference in section and sub report? I know about default sections and we can add new sections into report. ...
3
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2answers
975 views

How do I add a Help system to my WinForms project?

I have pretty much completed work on a Winforms application, and would like to add a Help feature for users. I cannot send users to a website, and am thinking along the lines of the kind of help you ...
3
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2answers
526 views

What is a good design strategy for retaining history of user activities and files like Visual Studio projects?

OK so I'm not so sure that "project" is the right term, but for my purposes, I define "project" as similar to what Visual Studio uses, or Microsoft word - files that the user can open and work on and ...
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1answer
519 views

XAML Controls in WinForms

We're considering converting our WinForms application to a WPF application. Part of the reason is that WPF/XAML seem to be the future. We are also using third party controls that we would like to be ...
2
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7answers
701 views

How to prevent piracy on software which is sold online? [closed]

When selling software online what's the most suitable/secure way to provide activation in order to get rid of pirates copies of the software? Is there any well-known software for this purpose?