Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,751 questions
1 answer
FTP Implementation
Hi All, We have a WPF application built on .Net Framework 4.6.1. This application connects to various devices to upload or download configuration files. We are trying to transfer a configuration file on to a specific device using FTP protocol. Can…
Windows Presentation Foundation
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,802 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(121.6, 87%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESA%3C/text%3E%3C/svg%3E)
0 answers
Invalid URI: The URI is empty in xamarin form iOS
Hi, The app uses the Azure database as its backend. During the development, it runs and returns data from the database. However, when it is uploaded to the Test Flight, it returns the following error message: Invalid URI: the URI is empty. Why the…
asked 2021-05-15T21:06:44.24+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(240, 70%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKM%3C/text%3E%3C/svg%3E)
Kam M
31
Reputation points
commented 2021-05-17T09:57:42.953+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(12.8, 87%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ%3C/text%3E%3C/svg%3E)
JarvanZhang
23,951
Reputation points
1 answer
One of the answers was accepted by the question author.
How to implement the INotifyCollectionChanged interface?
I assign a List<int> to the ItemsSource of ListBox, and the form inherits the INotifyCollectionChanged interface. However, when I delete the value in the List<int>, the CollectionChanged event will be null. How can I implement this interface?…
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(182.40000000000003, 32%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
0 answers
WCF net tcp with certifcate , connection client-server failed
Service : <security mode="Message"> <message clientCredentialType="Certificate"/> </security> Service Code: Uri baseAddress = new Uri("net.tcp://localhost:8632/TestService"); ServiceHost…
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,757 questions
asked 2021-05-12T08:41:32.377+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(6.4, 89%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAL%3C/text%3E%3C/svg%3E)
Asaf Linzen
1
Reputation point
commented 2021-05-17T09:42:15.84+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(198.4, 94%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETD%3C/text%3E%3C/svg%3E)
Theobald Du-MSFT
326
Reputation points
0 answers
IEnumerable BindableProperty for CustomRender
Hi guys, I'm trying to do a custom component for picker inside a Frame to make a rounded style, like the image below Everything with the style works perfectly, the problem is when I try to create a BindableProperty to fill the Picker's…
asked 2021-05-16T09:53:44.933+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(268.8, 64%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESA%3C/text%3E%3C/svg%3E)
Steven Alexander Checo Terrero
1
Reputation point
commented 2021-05-17T09:40:15.847+00:00
JessieZhang-MSFT
7,706
Reputation points Microsoft Vendor
0 answers
Getting QueryString in net standard
Hi My Blazor net core 3.1 app references a net standard 2.1 class library project. In the referenced net standard 2.1 class library project I need to get the QueryString passed to the Blazor app. I am looking for a simple example of getting…
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,757 questions
Blazor
Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.
1,539 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,757 questions
Blazor
Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.
1,539 questions
asked 2021-05-16T13:04:29.897+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(25.6, 47%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYA%3C/text%3E%3C/svg%3E)
Y a h y a
416
Reputation points
commented 2021-05-17T09:24:56.867+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(80, 32%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJC%3C/text%3E%3C/svg%3E)
Jerry Cai-MSFT
991
Reputation points
0 answers
Getting QueryString in net standard
Hi My Blazor net core 3.1 app references a net standard 2.1 class library project. In the referenced net standard 2.1 class library project I need to get the QueryString passed to the Blazor app. I am looking for a simple example of getting…
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,757 questions
Blazor
Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.
1,539 questions
.NET
.NET
Microsoft Technologies based on the .NET software framework.
3,757 questions
Blazor
Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.
1,539 questions
asked 2021-05-16T13:04:29.897+00:00
Y a h y a
416
Reputation points
commented 2021-05-17T09:24:56.867+00:00
Jerry Cai-MSFT
991
Reputation points
1 answer
One of the answers was accepted by the question author.
Xamarin RadioButtons with two groups doesn't initialize correctly
Can anybody tell me why only ONE of these groups is initialized correctly (instead of BOTH of them)? Project is UWP and Xamarin Forms is Version 5.0.0.2012 btw <?xml version="1.0" encoding="utf-8" ?> <ContentPage…
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(284.8, 48%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ER%3C/text%3E%3C/svg%3E)
0 answers
Hyperparameters tuning on Microsoft.ML using visual studio
First of all, I'm really thankful you to look at my question and develop this kind of great software and packages for machine learning. I'm using visual studio embedded in Unity3D to build classification models using Microsoft.ML, and I successfully…
.NET Machine learning
.NET Machine learning
.NET: Microsoft Technologies based on the .NET software framework.Machine learning: A type of artificial intelligence focused on enabling computers to use observed data to evolve new behaviors that have not been explicitly programmed.
155 questions
asked 2021-05-17T08:53:39.573+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(89.60000000000001, 4%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETK%3C/text%3E%3C/svg%3E)
Taekyoung Kim
1
Reputation point
asked 2021-05-17T08:53:39.573+00:00
Taekyoung Kim
1
Reputation point
0 answers
Xamarin iOS Issue : iOS Code Signing Key 'iOS Distribution : ABCD Pte. Ltd' not found in KeyChain"
Hi, I am doing the In-House Distribution for my Xamarin iOS project. I connected from my Window VS to MacBook to build and publish .ipa file. In MacBook, Certificates and Provision Profiles are already installed. When I build my Application i…
asked 2021-05-14T05:19:13.36+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(268.8, 86%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMK%3C/text%3E%3C/svg%3E)
Myint Kyaw
1
Reputation point
commented 2021-05-17T08:28:45.077+00:00
Myint Kyaw
1
Reputation point
0 answers
SignalR - Winform Client not able to connect to server
Hi I have a web api hosting the SignalR server and trying to connect to it from Window application. but I am getting below error. Message : The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel. …
asked 2021-05-10T21:54:59.73+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(0, 51%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAD%3C/text%3E%3C/svg%3E)
ankit dhiman
1
Reputation point
commented 2021-05-17T08:24:09.423+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(19.2, 7.000000000000001%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDZ%3C/text%3E%3C/svg%3E)
Daniel Zhang-MSFT
9,626
Reputation points
1 answer
One of the answers was accepted by the question author.
How to update a bindableproperty in HybridWebView after page finished loading
Hi I have been trying this without any success. I have got a HybridWebView and I would like to update a BindableProperty when a page is finished loading. the property was correctly set up like this: public static readonly BindableProperty…
0 answers
Rename te each note book separately
Hello I have a list of notebooks and notes. I also have a textbox to rename them, the problem that I have is that when I click rename, the textbox appears on all of them Ideally what I want is to have a rename button a rename all button. The…
asked 2021-05-16T22:03:08.82+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(76.8, 5%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEG%3C/text%3E%3C/svg%3E)
Eduardo Gomez
3,426
Reputation points
commented 2021-05-17T08:08:51.677+00:00
Eduardo Gomez
3,426
Reputation points
0 answers
why the Windows Media Player Change The Position And The scale whene i start
I added a Windows media player and when I run the program then it changes size and position, how to fix it?
Windows Forms
Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,882 questions
C#
C#
An object-oriented and type-safe programming language that has its roots in the C family of languages and includes support for component-oriented programming.
10,802 questions
asked 2021-05-12T08:54:28.843+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(188.79999999999998, 57.00000000000001%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EY%3C/text%3E%3C/svg%3E)
Yairk_kaufmann
6
Reputation points
commented 2021-05-17T07:58:38.95+00:00
Daniel Zhang-MSFT
9,626
Reputation points
0 answers
ipa size increased from last 2 months
iOS mobile app is developed using xamarin. We are building mobile app using GitHub actions, msbuild command and executing on latest macOS. We have observed ipa size increased from last 2 months (increased by almost 10 MB). Is there any changes in…
asked 2021-05-14T17:39:32.147+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(153.6, 1%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Anish
1
Reputation point
commented 2021-05-17T07:15:38.567+00:00
JessieZhang-MSFT
7,706
Reputation points Microsoft Vendor
2 answers
HTML Visualizer
I am trying to access content on a website page using: Uri uri = new Uri("http://www.xyz.com/abc"); // just a psuedo website HtmlWeb web = new HtmlWeb(); HtmlAgilityPack.HtmlDocument doc = web.Load(uri); Using the debugger, I look…
asked 2021-05-14T02:45:53.16+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(182.40000000000003, 90%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJM%3C/text%3E%3C/svg%3E)
Joe Montgomery
6
Reputation points
commented 2021-05-17T06:26:07.573+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(195.2, 51%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYS%3C/text%3E%3C/svg%3E)
Yijing Sun-MSFT
7,076
Reputation points
1 answer
One of the answers was accepted by the question author.
Application isn't installed when I launched it from a static shortcut in Xamarin.Android
I recently added some shortcuts to my app. The app is working fine, and the Static Shortcuts are shown as expected: However, when I do click on any of them, I'm getting the following error that prevents the app to be launched: Application…
asked 2021-05-15T13:45:52.293+00:00
Federico Navarrete
616
Reputation points
commented 2021-05-17T06:07:09.233+00:00
Federico Navarrete
616
Reputation points
1 answer
One of the answers was accepted by the question author.
.NET Updates release under different KBs?
Hi All, I wanted to understand about the .NET updates which will be released The KB5001849 which was newly released is referenced under KB5001880 why is that? Also, KB5001880 consists of KB4578950 which was already released previously in February…
.NET Runtime
.NET Runtime
.NET: Microsoft Technologies based on the .NET software framework.Runtime: An environment required to run apps that aren't compiled to machine language.
1,150 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(185.6, 42%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EG%3C/text%3E%3C/svg%3E)
1 answer
Web Developer Certifications and career roadmap.
I am a novice to Information Technology and looking forward to career switching in next 6 months. Started self learning HTML5, CSS3 and JavaScript recently online and interested in Web Development entry level roles to kick start the career. After…
asked 2021-05-15T21:05:49.15+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(105.60000000000001, 19%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVP%3C/text%3E%3C/svg%3E)
Vara Prasad Dalli
11
Reputation points
answered 2021-05-17T03:16:47.08+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(150.4, 0%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EXP%3C/text%3E%3C/svg%3E)
XuDong Peng-MSFT
10,426
Reputation points Microsoft Vendor
5 answers
iOS 14 Simulators not working in VS 19
Recently, I started developing in VS 2019 with a new Mac Mini with the new M1 chip. With the most recent version of XCode installed (12.3) and most recent MacOS (11.1), I am getting a black screen when trying to use the iOS 14.3 simulators through VS. …
asked 2020-12-23T14:39:08.98+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(51.2, 82%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJL%3C/text%3E%3C/svg%3E)
John Linck
26
Reputation points
commented 2021-05-17T01:41:19.93+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(51.2, 76%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENL%3C/text%3E%3C/svg%3E)
Nicole Lu-MSFT
96
Reputation points