55,980 questions with Developer technologies-related tags

Sort by: Updated
3 answers One of the answers was accepted by the question author.

WPF UserControl and inheritance (how to?)

Hello I want create create my own class UserControl and add here all DependencyProperties (for separation and reuse) and then inherit this UserControl in U.C. with Xaml. for example: public class c_knob : UserControl // this control doesn't have xaml { …

Developer technologies | Windows Presentation Foundation
asked 2020-05-09T09:47:35.52+00:00
Wanderer 101 Reputation points
accepted 2020-05-10T11:20:40.24+00:00
Wanderer 101 Reputation points
0 answers

Regarding audio channelcount XBOX C# UWP

Hi All, Is it possible to get audio channelcount in format like 5.1, 5.1.2, 7.1.4 etc. Please help any solution available. Working on UWP c# XBOX app. Thanks

Developer technologies | Universal Windows Platform (UWP)
asked 2020-03-31T10:06:26.257+00:00
Parth Kapadia 1 Reputation point
commented 2020-05-10T09:38:16.443+00:00
Parth Kapadia 1 Reputation point
1 answer One of the answers was accepted by the question author.

[UWP] Bug report: C++ application crashing when referencing C# runtime class [URGENT!]

We developed a runtime component in C# to be referenced by UWP app. The UWP is written in C++ and crashes when referencing our runtime class as follows: Exception thrown at 0x00007FF96B46A799 in App1.exe: Microsoft C++ exception: Platform::COMException ^…

Developer technologies | Universal Windows Platform (UWP)
asked 2020-05-01T17:00:43.48+00:00
Edward Abramian 36 Reputation points
commented 2020-05-08T20:34:32.54+00:00
Edward Abramian 36 Reputation points
1 answer One of the answers was accepted by the question author.

UWP How to save application last screen location

I want to open my UWP app on the same location where I close the application last time it is possible in UWP? I check when I open the windows store and then I move windows store location and then close and re-open ... it's open at the same location…

Developer technologies | Universal Windows Platform (UWP)
asked 2020-05-06T13:37:05.153+00:00
MangoApps 91 Reputation points
accepted 2020-05-07T12:56:59.057+00:00
MangoApps 91 Reputation points
5 answers

New binding results to "Object reference not set to an instance of an object"

Hi I have a data source at MS SQL Server and an app which reads definition and data from db without tight integration. New tables and columns get created all the time. I need to change binding names after data is read from db and before it is…

Developer technologies | Windows Presentation Foundation
asked 2020-05-06T07:00:50.313+00:00
Janne 1 Reputation point
answered 2020-05-07T08:23:10.077+00:00
Janne 1 Reputation point
0 answers

How to connect to Full Trust COM server from UWP App?

I have a UWP app that uses the FullTrustProcessLauncher to start a full trust process that registers a COM object. However, when the UWP app tries to create the registered COM object CoCreateInstance returns REGDB_E_CLASSNOTREG. The COM server is…

Developer technologies | Universal Windows Platform (UWP)
asked 2020-04-27T16:58:00.26+00:00
Andrew Schmidt 31 Reputation points
commented 2020-05-07T07:03:36.853+00:00
Fay Wang - MSFT 5,231 Reputation points
1 answer One of the answers was accepted by the question author.

CD3DX12_DESCRIPTOR_RANGE usage in a UWP app.

void Sample3DSceneRenderer::CreateDeviceDependentResources() { auto d3dDevice = m_deviceResources->GetD3DDevice(); // Create a root signature with a single constant buffer slot. { CD3DX12_DESCRIPTOR_RANGE range; …

Developer technologies | Universal Windows Platform (UWP)
asked 2020-05-06T20:38:03.28+00:00
Anonymous
accepted 2020-05-07T03:38:31.857+00:00
Anonymous
1 answer One of the answers was accepted by the question author.

How to record sound card in uwp.

In uwp, is there any API that can recording sound cards except MediaCapture API.

Developer technologies | Universal Windows Platform (UWP)
asked 2020-04-21T08:24:16.97+00:00
Singh Wong 51 Reputation points
accepted 2020-05-06T23:30:29.673+00:00
Singh Wong 51 Reputation points
1 answer

scope resources to ResourceDictionary file

hi is it possible to make some value (ex: Double) scoped to it's ResourceDictionary file so it wouldn't be accessible elsewhere. thanks in advance

Developer technologies | Windows Presentation Foundation
asked 2020-05-06T00:03:43.943+00:00
essamce 621 Reputation points
answered 2020-05-06T17:09:00.747+00:00
mister.nobody 101 Reputation points
1 answer One of the answers was accepted by the question author.

How to use height and width of relative panel that values are Nan

Hi I have a classX with contructor Public Sub New(ByVal heightbar As Double, ByVal widthcanvas As Double, Optional ByVal bottom As Double = 0) The problem i have to pass as parameter the width and height of a relative pane which are Nan . Is…

Developer technologies | Universal Windows Platform (UWP)
asked 2020-05-05T11:36:05.343+00:00
Shay Wilner 1,746 Reputation points
accepted 2020-05-06T10:18:04.763+00:00
Shay Wilner 1,746 Reputation points
1 answer

VPN Plugin framework and detection of closed peer connection

Hi there! I spent some time playing with UWPToyVpn sample and been able to run it with packets flowing through StreamSocket. But I am not able to find a way to detect event of connection reset initiated by peer. Since VpnChannel is associated and…

Developer technologies | Universal Windows Platform (UWP)
asked 2020-04-29T14:43:39.94+00:00
Alexander Sbitnev 1 Reputation point
commented 2020-05-06T03:09:38.21+00:00
Anonymous
1 answer One of the answers was accepted by the question author.

How to set Screen shot in App submission process?

I try to UWP app submission, and I set any package, etc. but i can find app screen shot setting page. How to set app screen shot?

Developer technologies | Universal Windows Platform (UWP)
asked 2020-05-05T15:37:53.053+00:00
HanbyulKang 36 Reputation points
commented 2020-05-06T02:56:13.567+00:00
HanbyulKang 36 Reputation points
2 answers One of the answers was accepted by the question author.

Recover the last stroke "InkCanvas" after closing the App

Recover the last stroke "InkCanvas" after closing the App and when opening the last stroke drawn the inkCanvas

Developer technologies | Universal Windows Platform (UWP)
asked 2020-05-04T18:49:32.01+00:00
Javier R 211 Reputation points
answered 2020-05-05T14:12:43.537+00:00
Javier R 211 Reputation points
0 answers

What's the possible side effect when I use PhotoCaptureSource. Auto to Initialize MediaCapture Settings?

Hello guys, My app has MediaCapture function. I followed the microsoft official document to to Initialize MediaCapture Settings by using the PhotoCaptureSource. Photo. In most cases, it worked well. But on a device, it did not work. After my…

Developer technologies | Universal Windows Platform (UWP)
asked 2020-04-15T09:26:36.663+00:00
Xie Steven 831 Reputation points
commented 2020-05-05T08:13:43.437+00:00
Fay Wang - MSFT 5,231 Reputation points
1 answer

Repeated Camera Captures

I am using CaptureElement & MediaCapture for the camera, and I want to automatically continuously capture images that I will process (until the user stops the camera, of course). I want to take a picture, process it, take another, process it, etc. I…

Developer technologies | Universal Windows Platform (UWP)
asked 2020-04-27T19:20:02.81+00:00
Nathan Sokalski 4,111 Reputation points
commented 2020-05-05T02:01:31.25+00:00
Richard Zhang-MSFT 6,936 Reputation points Microsoft Employee Moderator
1 answer One of the answers was accepted by the question author.

Access UWP C# ClassLibrary from WPF

Hello, i have a UWP C# Desktop Application with two UWP Class Libraries. Now i need a Data Application for this which runs unlimited. Which can not be suspended like an UWP Application. I thought to code this in WPF. But this Application needs access…

Developer technologies | Universal Windows Platform (UWP)
asked 2020-04-30T07:58:00.277+00:00
Markus Schertler 41 Reputation points
accepted 2020-05-04T16:11:10.517+00:00
Markus Schertler 41 Reputation points
1 answer One of the answers was accepted by the question author.

WPF label not updating value on the UI

Hi All, I am currently working on a C# WPF application. The UI contains a tree view with checkboxes. I need a label on the UI to update the number of checked checkboxes. However, even though i get the value and try to update the UI, the 'Property…

Developer technologies | Windows Presentation Foundation
asked 2020-05-04T05:30:35.5+00:00
abijith gowda 61 Reputation points
commented 2020-05-04T09:59:50.183+00:00
abijith gowda 61 Reputation points
1 answer One of the answers was accepted by the question author.

(C#) Show message before Shutdown when DVD is burning.

Hi I want to create a APP to Show message before Shutdown when DVD is burning. The situation is: 1, I use a third party APP to burn DVD. 2, I create a APP that can Shutdown OS and before Shutdown, I should check burn process is running or not.…

Developer technologies | Windows Presentation Foundation
asked 2020-05-01T08:39:33.293+00:00
jackygedeju 21 Reputation points
commented 2020-05-04T08:55:37.153+00:00
jackygedeju 21 Reputation points
3 answers

Side panel for open tabs for beginners

How do I in UWP create a sidebar or side panel to view open web tabs? I've been watching tutorial videos and researching Microsoft Learn I already have a tab for it as a place holder labeled as a TabViewItem. I am a beginner for UWP, I know more about…

Developer technologies | Universal Windows Platform (UWP)
asked 2020-05-04T00:19:23.693+00:00
Mark Mather 156 Reputation points
commented 2020-05-04T08:17:59.783+00:00
Anonymous
0 answers

Unsolved problem with 'NoteViewer' in XML。

Dear sir, I managed to create a sample mentioned here with WPF App and Blank App (Universal Windows) http://musicengravingcontrols.com/en-US/Articles/Display?id=2 However, if I use Universal Windows Application, I get a problem here. Error Lists say…

Developer technologies | Universal Windows Platform (UWP)
asked 2020-05-02T05:25:50.827+00:00
寛明 水崎 1 Reputation point
commented 2020-05-04T06:02:59.53+00:00
Richard Zhang-MSFT 6,936 Reputation points Microsoft Employee Moderator