Windows Presentation Foundation (WPF) is part of the Microsoft .NET framework used to create rich client user experiences for Windows application.
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35 views
Observable collection async update [on hold]
Is it good solution for updating ObservableCollection? Are there any dangers hiding in this code?
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1answer
95 views
WPF ugly event dictionary
I have a WPF application that gets data from a web-server.
It contains two Views
LeftView
RightView
three Models
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1
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1answer
42 views
UI error display window with task async in WPF
I am new to async and was wondering if any improvement can be made to the solution I put together from scattered information on the web.
The following (working) code shows how a button press runs ...
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1answer
58 views
WPF MVVM Navigation
Following a lot of research and mainly based on this tutorial I came up with the following structure in my application:
ObjectBase - all view models inherit it:
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1answer
55 views
WPF filling a DataGrid
I'm creating a WPF application with a DataGrid. I'd like some advice on the code I've written:
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2answers
88 views
Creating and Editing a UtilityMeter
I have some functionality that allows the user to create a Meter, which counts your gas, water, and electricity usage.
A Meter ...
4
votes
2answers
102 views
Calculator with WPF
I built a calculator in C# with WPF for the UI. I'm still a beginner at WPF and C# in general, and I'm just looking for some constructive criticism.
XAML
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5
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2answers
462 views
Injecting JavaScript to website for ordering products
I am a newbie at programming and I helped my dad with making this program which orders multiple products to a website from a table of Excel.
It involves 3 processes:
Passing orders from Excel to ...
4
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1answer
95 views
WPF DateTimePicker user control
I've created a UserControl that should act as a control inside a Window:
XAML:
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2
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0answers
149 views
WPF MVVM Dialog with Prism, MahApps.Metro
I am building a Metro-themed WPF application with MVVM approach using Prism and MahApps.Metro. I have to show a custom dialog from view model. Currently, I am using ...
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2answers
59 views
FileSystemWatcher created event
I wrote a little function that monitors some directories. If a file gets created, it will check in the extension list for a match. Can you please tell me if I could make my function better in any way?
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5
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2answers
45 views
Resx Translation Helper, V.2.0 Remove Files Window
Related to Resx Translation Helper, V.2.0
This is the code for the Remove Files window. I was able to keep code out of the code-behind here, but I have a feeling I botched something else.
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7
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1answer
66 views
Resx Translation Helper, V.2.0
Related to Resx Translation Helper, V.2.0 Remove Files Window
First, I implemented the changes suggested in my last question, then I changed my entire code base to support editing 1-N Resx files. ...
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4answers
251 views
Resx Editor in WPF
To aid in the localization of .resx files, I made a generic resx comparer that allows you to edit the values of the resx's. Also, this is my first proper adventure in WPF (I've just been using ...
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7answers
259 views
Speech Synthesis to showcase how various voices sound with System.Speech.Synthesis
I was wondering if you would be willing to give me some suggestions on shortening this code. I feel as if the amount of if statements I have is a bit much.
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2
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1answer
137 views
WPF Data binding alternate datacontext inside Itemscontrol
What I'm trying to do is bind the controls generated by a ItemsControl.ItemTemplate to a new instance of my ContactInterface ...
11
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1answer
107 views
Rubberduck “GoTo Anything” Navigation
The next version of rubberduck is going to include a pretty nifty "goto anything" / find symbol navigation tool that lets the user enter an identifier name in a combobox:
UI
To achieve the ...
3
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0answers
171 views
Swapping Tab Order
The code I have below swaps two tabs around. This is done through creating an array, deleting all tabs and then recreating them which seems very inefficient to me.
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10
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2answers
183 views
Settings, setting settings, and settings handlers
So, back in this question, I built a set of settings. Now, I am trying to clean the entire system up.
This is the abstract base class:
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5
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2answers
147 views
Display nested objects through custom displayers in WPF
First off, I am very new to WPF. These are the objects I want to display:
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6
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2answers
470 views
Writing an IRC Bot from scratch
I have been learning C# for a couple years now, and using small projects to help myself learn. My most recent project is a complete rewrite of my first C# project that just got out of hand (the old ...
2
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1answer
136 views
C# Async and DataContext access
I'm using a DataContext to insert an object. Currently it's working, but I'm feeling things could be done better. Method is called from UI (Using Caliburn Micro Binding). IsBusy is a property used by ...
5
votes
1answer
110 views
WPF application depending on large file
I've got a quite simple WPF application, trying to implement a correct MVVM pattern.
The application in itself is simple: one listItem and one textbox + button for searching. On init, the entire ...
11
votes
2answers
592 views
MVVM data binding for a video encoding form
I am creating a C# WPF application. I am intending to bind all of the GUI controls via data binding to my ViewModel, rather than code behind - as per MVVM.
I have ...
4
votes
1answer
650 views
Insert String array as label content in datagrid row through radio button
I have written some code for inserting a label at runtime that has its content set to a string array into a datagrid row. All of this will initiate when certain radio buttons are checked. The code is ...
3
votes
1answer
294 views
Controlling a Windows Service from a WPF app
I have a WPF Control Panel app, where I'm trying to stay close to an MVVM architecture. The control panel (the "the CP") is for a WCF service ("the Scheduler"), hosted in a Windows Service ("the ...
4
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2answers
85 views
TabController for handling opening and closing of tabs
I created a class TabController to handle opening and closing of tabs. It needs some data from my viewModel, so should I pass in ...
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vote
1answer
144 views
Wrapper classes for objects returned by 3rd party APIs
I am building a WPF application which uses a third party library to fetch objects which I want to allow the user to interact with.
The objects are returned as interface types. Am I right in thinking ...
3
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1answer
54 views
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1answer
30 views
Prefered Style Container for the Components in the DataTemplate
The following XAML is a close (tidied up) version of what I have use in my WPF application. If you have noticed there are two Styles applied to the same component ...
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1answer
155 views
Show dialog only once. Other calls should bring dialog to front, but otherwise not have a result
This code works, as far as I can tell, but there's something that just feels wrong about it. The intended flow is like this:
If no dialog is showing
Show dialog, return result
else
Move dialog ...
1
vote
1answer
272 views
Asynchronous method and collection binding
I have a WPF application, in which I'd like to bind a collection to a combobox using an asynchronous method :
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2answers
70 views
3
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1answer
43 views
Reducing repetition of sequence-like properties
I have a class that is a wrapper for memory positions of a hardware device.
I need to data-bind each of this positions, so I created a class with hardcoded properties, one for each position, so that ...
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1answer
76 views
Using a DependencyProperty ChangedCallback as a validation measure
I have an UserControl where I declare two DependencyProperties
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6
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1answer
60 views
Go Back with More Detail
I have a Back function, and it is growing. I also think this is terrible, but I don't seem to get how it can be improved:
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2
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2answers
170 views
Viewmodel has lots of properties which bind to view [closed]
I created a configuration View. so it binds a lot of properties in Viewmodel. But I have a another class People and I want to ...
2
votes
2answers
153 views
Finding the shortest path through a 2d space with a display
I decided to implement most of the reddit Daily Programmer space probe challenge. My program creates a 2D space that have asteroids and gravity wells distributed (the percentage of gravity wells and ...
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1answer
131 views
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1answer
685 views
From event handler to command: on my way to MVVM
I have a WPF C# application that I want to move to a MVVM pattern.
My first step is to remove the button click handlers from the code behind of the UI.
I've found some examples online and then ...
2
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1answer
47 views
Detecting the attachment of a DataContext
In our application the views and the viewmodels are created in parallel to increase the performance and when the viewmodel is created it is attached to the datacontext.
While there is no datacontext ...
5
votes
1answer
87 views
Handle Settings in Windows App
So, I fixed my problem with a public ViewModel for my MainPage like this:
MainPage.xaml.cs:
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3
votes
2answers
486 views
Wiring CollectionView and grouping it without slowing it down
In my previous question, I got heaps of good advice BUT no solution for the problem apposed.
I applied the valuable learnings from the past on this.question and am also hitting it from a different ...
1
vote
1answer
363 views
Image cache for lots of images using WeakReference on C#
I'm developing an application to manage a player card-library from an online game. Each card has an image that is stored on disk with a numeric code, for example, the card with ID=1234 has his image ...
6
votes
2answers
151 views
Is my Delegate defined the right way and does it need to transform to a pretty Event butterfly?
I have read so many bed time stories and ins and outs of how delegates work and why events are to be replaced with delegates (surely not all the time) and just couldn't get my head around it.
I am ...
4
votes
2answers
111 views
MVVM, Navigation, and More - Part 3
This is actually a second follow-up to Correct MVVM format, but I have made different changes.
This is my ViewModel.cs class for my MainPage.xaml:
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4
votes
1answer
135 views
Correct MVVM format
I have a Windows-Runtime app (very similar to WPF), and I am using (at least I think I am!) the MVVM style. I want to make sure I am doing this the proper way, and not just a working way.
This is my ...
4
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1answer
111 views
Reacting to Boolean state in reactive ViewModels
When this ViewModel loads we kick off the IsAuthenticatedCommand:
If the result of ...
5
votes
1answer
1k views
MahApps login dialog in splash screen with Caliburn Micro
We are working on an application with a splash screen. After a few seconds/loading all the data, a login dialog appears inside the splash screen, asking you to enter username and password. Think of a ...
4
votes
1answer
992 views
A ViewModel using ReactiveUI 6 that loads and sends data
Most of the Rx Compelling Examples™ load and store data locally which I don't find that Compelling.
I spent some time coming up with how to best perform the following actions but want to make sure I ...
