Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,716 questions
0 answers
Web Cam Light is not closing
In my WPF c# application,there is a form using web camera for taking picture( forge.video).After closing the form it will not close the light. Below mentioned code is for stopping the webcam.Please help public void Window_Closing(object sender,…
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.
10,656 questions
XAML
XAML
A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.
791 questions
asked 2021-01-24T08:30:23.647+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(192, 37%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHK%3C/text%3E%3C/svg%3E)
Hrishi Kuttathi
1
Reputation point
commented 2021-01-25T08:02:27.067+00:00
DaisyTian-1203
11,621
Reputation points
1 answer
Can XAML “deduce” inheritance from C#?
I wonder if XAML is somehow able to "deduce" the C# inheritance. Let me explain: I have these two C# classes: public class AStyleSelector: StyleSelector { public Style aStyle { get; set; } public override Style SelectStyle(object item,…
Windows Presentation Foundation
Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,716 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.
10,656 questions
XAML
XAML
A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.
791 questions
asked 2021-01-15T20:57:59.483+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(22.400000000000002, 90%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAE%3C/text%3E%3C/svg%3E)
Arturo Enrique de Jongh González
1
Reputation point
answered 2021-01-18T06:58:37.927+00:00
DaisyTian-1203
11,621
Reputation points
1 answer
C# + AddDirectorySecurity(pathofprog, addeduser, FileSystemRights.FullControl, AccessControlType.Deny) - Still able to execute exe's within
Hi I have managed to get the code running and it is working fine, I see that the user is added into the acl and the permission is set to deny, however, I noticed that at times, for certain programs, I am still able to execute the exe's within the…
Windows Presentation Foundation
Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,716 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.
10,656 questions
XAML
XAML
A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.
791 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(32, 75%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EK%3C/text%3E%3C/svg%3E)
3 answers
One of the answers was accepted by the question author.
WPF C #, How to emit sounds when passing the mouse over a button and also when clicking on the button.
Hello and happy new year. I am a newbie to C # WPF programming. How can I make a button emit a sound when passing the mouse over the button and also when clicking on the button emit another sound. I will be very grateful for your help and I thank you in…
Windows Presentation Foundation
Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,716 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.
10,656 questions
XAML
XAML
A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.
791 questions
asked 2021-01-15T15:39:02.407+00:00
jack pelon
96
Reputation points
accepted 2021-01-16T19:40:11.547+00:00
jack pelon
96
Reputation points
0 answers
Invoking values from MFC dialog based application into WPF app.
Hi All, I am newbie in wpf, need to fetch values from MFC Dialog based application as abc.dll, and populate in Datagrid of WPF application(Myapp.exe), but I could not render the values through C++/CLI layer, could you let me know references/examples…
Windows Presentation Foundation
Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,716 questions
C++
C++
A high-level, general-purpose programming language, created as an extension of the C programming language, that has object-oriented, generic, and functional features in addition to facilities for low-level memory manipulation.
3,638 questions
XAML
XAML
A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.
791 questions
asked 2021-01-13T14:28:46.767+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, 64%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EV%3C/text%3E%3C/svg%3E)
VishalK_87
1
Reputation point
commented 2021-01-15T00:57:56.637+00:00
VishalK_87
1
Reputation point
2 answers
One of the answers was accepted by the question author.
How to use Dispatcher for thread with WPF Window and a BlockingCollection<GraphicalData>(ConcurrentQueue<GraphicalData>)
Hi. Techs used are: C#, .Net Core 3.1, WPF, BlockingCollection<> and ConcurrentQueue<> I am trying to understand how to use the Dispatcher with a WPF Window. The Window will be updated with a ConcurrentQueue<GraphicalData>…
.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.
1,141 questions
XAML
XAML
A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.
791 questions
asked 2021-01-09T16:46:45.027+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(208, 23%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMV%3C/text%3E%3C/svg%3E)
Magnus Vinterhav
61
Reputation points
accepted 2021-01-14T09:10:04.963+00:00
Magnus Vinterhav
61
Reputation points
1 answer
One of the answers was accepted by the question author.
Adding image from source property of image control(WPF) at Access Database
Hi to all First and foremost, I apologize for my grammatical errors; my first language is Persian (Iran). This is tested solution
1 answer
One of the answers was accepted by the question author.
Why is there a performance difference when my application becomes activated?
I am working on a WPF application that displays a grid of many images with scrolling/expanding animations that display a video when the user hovers the image. When this application is run on an Intel CPU + NVidia GPU machine, the animations and video…
![](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, 68%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EC%3C/text%3E%3C/svg%3E)
2 answers
One of the answers was accepted by the question author.
WPF - Change cell colour when operation is successfull
Hello! I have this datagrid: The last column has buttons ("+") that when pressed open the following window: In this window when the "Registar" button is pressed the app executes an operationa and returns to the…
asked 2021-01-12T11:02:45.52+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(310.4, 18%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETS%3C/text%3E%3C/svg%3E)
Tiago Silva
21
Reputation points
accepted 2021-01-12T16:46:03.767+00:00
Tiago Silva
21
Reputation points
2 answers
How to start WPF in separate thread and still updating it continuously
Hi. C#, .Net 3.1, WPF I want to have a WPF window that takes data from a BlockingCollection<ColorAddress>(ConcurrentQueue<ColorAddress>) continuously. I have managed to start the window in it's own thread, but while doing this with the…
Windows Presentation Foundation
Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,716 questions
.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.
1,141 questions
XAML
XAML
A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.
791 questions
asked 2021-01-08T02:28:34.823+00:00
Magnus Vinterhav
61
Reputation points
answered 2021-01-11T11:24:23.8+00:00
Peter Fleischer (former MVP)
19,316
Reputation points
1 answer
Are there namespaces and XAML components unique to Silverlight?
I have inherited a legacy application and need to know if it is using Silverlight. Apart from uninstalling Silverlight, is there any way to look at the code and determine if it is a Silverlight application? If it is a Silverlight application, I need…
asked 2021-01-08T19:50:57.68+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(284.8, 83%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDK%3C/text%3E%3C/svg%3E)
Doug Kimzey
1
Reputation point
commented 2021-01-11T06:34:36.697+00:00
DaisyTian-1203
11,621
Reputation points
3 answers
WPF: rotate a Model3D about the Viewport3D center
I have a WPF app where different Model3Ds are arranged in a Model3DGroup and displayed in a Viewport3D. I may pan, zoom in / out the displayed models. Everything is handled programmatically in the .Net app. The only Xaml code is to define a UserControl…
asked 2021-01-05T14:29:58.757+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(204.8, 63%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECG%3C/text%3E%3C/svg%3E)
Claude Gosselin
1
Reputation point
commented 2021-01-11T05:19:18.257+00:00
DaisyTian-1203
11,621
Reputation points
1 answer
How can I access resources from external assembly?
I don't seem to be able to access remote resources from an external assembly. The following line in MainWindow.xaml isn't working, no background color is getting displayed: <StackPanel Grid.Row="0" Background="{DynamicResource…
asked 2021-01-10T15:57:42.65+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(144, 85%, 23%)' 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)
AxD
666
Reputation points
answered 2021-01-11T04:48:00.853+00:00
DaisyTian-1203
11,621
Reputation points
1 answer
One of the answers was accepted by the question author.
Question about performance in Wpf
Hi, I have a general question about the right way to bind a class to a listview or list box or any other control in wpf. Lets say that I have a textbox which the width is binded with the property of my class "my width" <Textbox…
asked 2020-12-31T21:09:15.843+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(204.8, 52%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EZK%3C/text%3E%3C/svg%3E)
Zacharias Karasavvas
21
Reputation points
commented 2021-01-02T15:06:28.437+00:00
Zacharias Karasavvas
21
Reputation points
0 answers
WPF Listview
Hi, I have a WPF ListView, the objects of which are bound to a view model and I use a CollectionViewSource to group them based on their properties - the CollectionViewSource dynamically creates expanders and groups the items in the ListView - this…
asked 2020-12-29T12:54:13.513+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(60.8, 25%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKB%3C/text%3E%3C/svg%3E)
Kevin Bell
21
Reputation points
commented 2020-12-30T10:32:12.65+00:00
Kevin Bell
21
Reputation points
2 answers
One of the answers was accepted by the question author.
WPF ListView change arrow icon
Hi, I've created an app in Visual Studio in C# using a WPF page - all works fine. The app displays a list view which has several sub lists (looks very similar to an Expander), I don't like the large arrow in circle icon and would like to change it to…
asked 2020-12-25T21:24:00.58+00:00
Kevin Bell
21
Reputation points
accepted 2020-12-29T12:29:30.81+00:00
Kevin Bell
21
Reputation points
1 answer
How to store and retrieve image using MVVM pattern in WPF C#
Please I am looking for a solid means to save and retrieve image to/fro SQL server database. I am using MVVM pattern in WPF. I have gone through everything I saw on Google concerning this issue, all I'm seeing is Image control being tied directly to code…
Windows Presentation Foundation
Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,716 questions
SQL Server
SQL Server
A family of Microsoft relational database management and analysis systems for e-commerce, line-of-business, and data warehousing solutions.
13,368 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.
10,656 questions
XAML
XAML
A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.
791 questions
asked 2020-12-21T00:11:48.31+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(128, 54%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ED%3C/text%3E%3C/svg%3E)
DPlug
41
Reputation points
commented 2020-12-24T03:10:12.177+00:00
DaisyTian-1203
11,621
Reputation points
1 answer
One of the answers was accepted by the question author.
INotifyDataErrorInfo implementation for several values, check that there are no errors in Dictionary (WPF MVVM)
I have been trying to implement INotifyDataErrorInfo and everything seems to be working except SaveSettings() and especially bool HasErrors. Can somebody please tell me why and how to fix it? I mean that SaveSettings is always triggered, even if there…
Windows Presentation Foundation
Windows Presentation Foundation
A part of the .NET Framework that provides a unified programming model for building line-of-business desktop applications on Windows.
2,716 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.
10,656 questions
XAML
XAML
A language based on Extensible Markup Language (XML) that enables developers to specify a hierarchy of objects with a set of properties and logic.
791 questions
3 answers
One of the answers was accepted by the question author.
How can I bind text and have it format itself on the UI?
Hi. How can I bind text and have it format itself on the UI? For example, suppose the string in the ViewModel is this: myDependencyProperty = @"<b>Title: </b>My title\n<b>Description: </b>This is my…
0 answers
Azure work well with the new ghostly app?
Does the new ghostly app work well with Azure? And if so what's the best platform to integration with?
asked 2020-12-18T14:41:32.763+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(44.800000000000004, 8%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBA%3C/text%3E%3C/svg%3E)
BERT ANTHONY ROCHESTER
1
Reputation point
commented 2020-12-21T04:48:13.223+00:00
Pramod Valavala
20,611
Reputation points Microsoft Employee