Universal Windows Platform

Welcome to the Windows Platform Developer (WPDev) Feedback site. This feedback forum provides the WPDev community with a channel for feedback on the following topics:

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  1. Add Markup Extensions to (and Improve) WinRT Xaml System (System.Xaml Parity)

    Much effort was made in WPF Xaml Serialization to decouple it from the presentation assemblies and moved into its own assemblies, System.Xaml, and System.Windows.Markup.

    This Xaml System had it's own serialization/deserialization mechanism in XamlServices class. Furthermore, this Xaml system had a very powerful component/concept that is conspicuously absent in WinRT: Markup Extensions.

    Markup Extensions are found in the following Xaml Systems:
    - WPF
    - Silverlight 5
    - Xamarin.Forms (notably NOT a Microsoft technology, but recognizes their power nonetheless)

    This feature is to ask for Xaml serialization featureset parity with WPF/System.Xaml. That means:
    - Custom Markup Extensions
    - XamlServices.Load and Save …

    316 votes
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      48 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →

      An always happy Friday as I just got the TFS complete email :) As this hasn’t hit an insider preview SDK, i’m going to mark this still as “working on it” still BUT … this will be coming to an insider build near you!

      This item heart is markup extensions. There is one item that will not be there however that is relevant to markup extensions, IServiceProvider. I created a new item for that but we are working on this item [https://wpdev.uservoice.com/forums/110705-universal-windows-platform/suggestions/19416094-iserviceprovider-for-markup-extensions-for-wpf-par]. We have created a new one and we are working on that (that includes IProvideValueTarget and INameScope) but feel we have enough to ship this and mark this larger work item done and we do point out in reference to more work items need to happen, namely the work around IServiceProvider.

      Also XamlServices.Load / Save isn’t directly related to markup extenstion so we’re viewing that…

    • Allow users with the developer role to create app packages in Visual Studio

      It's great that the Dev Center now allows multiple users to access the same account, and I can submit app packages as a user with the developer role: https://msdn.microsoft.com/library/windows/apps/mt489008.aspx.

      However, it would be even better if it allowed users with the developer role to create app packages in Visual Studio. At the moment, it is impractical for me as a developer to keep asking my boss for his Microsoft account just to create app packages.

      147 votes
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        working on it  ·  8 comments  ·  Dev Center + Store  ·  Flag idea as inappropriate…  ·  Admin →
      • UWP SQL Server API

        Please support a native connection to Sql Server over IP:PORT. SqlClient class we use to have is critical

        617 votes
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          working on it  ·  56 comments  ·  Enterprise APIs  ·  Flag idea as inappropriate…  ·  Admin →
        • Make PrintHelper support page breaks

          Currently, page breaks are not supported with the PrintHelper. Could this be made possible in a future update? I'd like to print a long MarkdownTextBlock or at least TextBox that does not fit on just one page.

          4 votes
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            1 comment  ·  UWP Community Toolkit  ·  Flag idea as inappropriate…  ·  Admin →
          • I have developed a custom AppBarButton with a number badge

            I have developed a custom control: a AppBarButton with a number badge. Could I pull request to the UWP Control Toolkit?
            Sometimes I need to show a number on the normal AppBarButton to indicate the count of the new messages. I have completed it.

            6 votes
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              0 comments  ·  UWP Community Toolkit  ·  Flag idea as inappropriate…  ·  Admin →
            • Create a radial items control

              Where items are arranged in a circle with configurable distance and size. It should allow to specify the center element. It should provide options to display orbits or lines from the center element.

              This control can be useful for creating a social or device graph.

              23 votes
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                2 comments  ·  UWP Community Toolkit  ·  Flag idea as inappropriate…  ·  Admin →
              • Windows Store app IAP subscription model

                Can you please add an IAP which would have a recurring payment (automatically charge user monthly / annually / etc)? Basically a subscription. This would simplify development of apps which now need to prompt the user to go buy an IAP each time it expires and it also makes the experience better for users (who might be used to this model from Android / iOS)

                5 votes
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                  2 comments  ·  Dev Center + Store  ·  Flag idea as inappropriate…  ·  Admin →
                • Fix <uap3:Verb MultiSelectModel="Player">

                  Currently, MultiSelectModel does not work as documented:

                  Player: Your app is activated one time. All of the selected files are passed to your app as argument parameters.

                  As far as Anniversary Update and Creators Update are concerned, MultiSelectModel has no effect and only one file is passed as argument to the application regardless of how many files have been selected in Explorer.

                  Please support the passing of all selected files as command arguments.

                  2 votes
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                    0 comments  ·  App Extensions  ·  Flag idea as inappropriate…  ·  Admin →
                  • F# support in .Net native for UWP

                    There has been some discussion on the blog post http://blogs.msdn.com/b/dotnet/archive/2015/07/30/universal-windows-apps-in-net.aspx?PageIndex=2#comments for supporting F# in the .Net native toolchain for UWP. I had posted this on the VS uservoice site https://visualstudio.uservoice.com/forums/121579-visual-studio/suggestions/7542181-add-f-support-for-net-native but it looks like that was the wrong place to do that. I hope the votes that request got will be considered for this. A lot of people are moving to F# PCLs for library code and to be able to use those PCLs in the UWP and get native compilation via .Net native tools would be great.

                    824 votes
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                      84 comments  ·  Framework  ·  Flag idea as inappropriate…  ·  Admin →

                      F# team just posted an update on their GitHub. https://github.com/Microsoft/visualfsharp/issues/1096

                      This is still a work in progress. One key thing from that post is some of these features and fixes have already been underway for months. While we’ve been investigating F#-specific issues in .NET Native, the team has continued to improve .NET Native. One feature known as “universal shared generics” is likely to have improved .NET Native’s support for F#, even without that being an explicit goal of the feature.

                    • FullTrustProcessLauncher - <desktop:Extensions> give Error C00CE014

                      Visual StudioEnterprise 2015 Update 2
                      Universal Windows
                      Target: Windows 10 Insider Preview (10.0; Build 14332)

                      I modified the Package.appmanifest like shown in msdn.microsoft.com/en-us/library/windows/apps/mt711589.aspx. Basically just copied the lines from the page into it.

                      At compilation:
                      In Package.appxmanifest the line <desktop:Extensions> and <rescap:Capability...> gives warnings.
                      In AppxManifest.xml <desktop:Extensions> produces this Validation error.

                      3 votes
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                        working on it  ·  6 comments  ·  Desktop Bridge ('Centennial')  ·  Flag idea as inappropriate…  ·  Admin →
                      • Exclude suspending in desktop

                        Some apps can work intensively in background, for example it maybe video converting, online financial data processing and more.
                        Now UWP application will suspended when it go offscreen.

                        I offer to disable suspending in desktop/tablets for user selection (he can choose 'best performance' or 'power saving' options for example)

                        298 votes
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                          24 comments  ·  Background Processing  ·  Flag idea as inappropriate…  ·  Admin →

                          In Windows 10 Anniversary Update (Build 14393) we updated Extended Execution Unspecified Reason to be battery aware for PC device family. It is requested in the foreground and if the device is connected to AC power or if it has a battery but the user has set “Always Allowed” in the battery use settings then that app will be able to run without a time limit.

                          This works with the single process model as Extended execution does not work with a background task.

                          BackgroundMediaPlayback capability also won’t be suspended for certain scenarios.

                          We are keeping this open as there is more we can do. If you have scenarios we don’t work well in with the updated models, please tell us!

                        • Need more info for stack trace

                          Now with Win10 Dashboard the stack trace only provide a snippet of the error which is included in the error lines. However with the new dashboard this is the only information that is provided on the dashboard. It's not enough for devs :(

                          67 votes
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                            9 comments  ·  Dev Center + Store  ·  Flag idea as inappropriate…  ·  Admin →

                            Can you include in this user voice entry the specific details of what is missing? we are working on improving these reports, and the more specific information we have about issues the more we will be able to add.

                          • Clipping does not work anymore since Creators Update

                            If you create XAML like this:

                            <Line X1="50" Y1="50" X2="150" Y2="50" Stroke="Black" StrokeThickness="10" Visibility="Visible">
                            <Line.Clip>
                            <RectangleGeometry Rect="50 50 100 10">
                            </RectangleGeometry>
                            </Line.Clip>
                            </Line>

                            it used to work fine and it still does in the designer. But as soon as you run the Code the Line disappears.

                            3 votes
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                              1 comment  ·  Bugs  ·  Flag idea as inappropriate…  ·  Admin →
                            • Implement HttpListener Class

                              Please implement the HttpListener class so that we can run REST based controls (similar to Xbox Smartglass) for our own apps?

                              6 votes
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                                5 comments  ·  Network APIs  ·  Flag idea as inappropriate…  ·  Admin →
                              • 322 votes
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                                  17 comments  ·  File IO / Data Store APIs  ·  Flag idea as inappropriate…  ·  Admin →
                                • Support SVG elements in XAML

                                  The high-level ask is to support using SVG within a XAML tree. The SVG data may be inline or loaded from a source (local file or remote from the web)

                                  There are few current tools for converting SVG to WPF/Silverlight-based XAML but they fall short when dealing with more complex SVG data.

                                  Here are a few scenarios:

                                  - Apps loading svg content from a remote web server. This should work just like any other kind of image data. Remote xaml isn’t likely allowed, and even if it were, there’d be resistance to providing vector art in two formats when SVG…

                                  351 votes
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                                    17 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
                                  • ScrollViewer overpan API

                                    Currently when you overpan a ScrollViewer, where's no way to tell how much negative offset it is unless you do hacks like calculating it every 50ms via a Timer.

                                    This will make interesting actions like 'Pull to Refresh' very hard to implement.

                                    Would be nice to have an event to listen to this with a OverpanOffset property or something.

                                    145 votes
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                                      11 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
                                    • Fix Map control so that it is possible to databind/add multiple objects in Universal apps with reasonable performance

                                      When you add items to the map and then pan the map the items aren't following the map but are lagging behind.

                                      If you add more than a few, like 25+ the performance is so bad that you have to wait for a few seconds after you stop to be sure that the pins/controls are in the right position.

                                      This is only happening in Universal apps if we make a Silverlight app the pins are following the map like they should even if more than a few hundred items are added.

                                      There are lot's of posts about this around the…

                                      18 votes
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                                        2 comments  ·  Maps  ·  Flag idea as inappropriate…  ·  Admin →
                                      • [Bug?] MapControl MapIcon rendering changed on W10 Creators update

                                        It appears that the MapIcon rendering by the MapControl has changed significantly with the Windows 10 Creators update. We have an app that at times, adds hundreds of MapIcon objects to the MapControl. Before Creators update this worked fine and the vast majority, if not all, were displayed. After creators update, we are only seeing a small portion of the MapIcon objects being rendered onto the map. And it's not because they are colliding with other MapIcons. We are seeing large portions of the map not displaying any of the MapIcons we've added.

                                        We have always been aware of the…

                                        0 votes
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                                          0 comments  ·  Maps  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Windows Device Portal Certificate

                                          System is deleting and recreating the TLS self-signed certificates for the device portal on port 50443 a lot.. sometimes every 5-10 minutes in the windows log. For sure it resets them every reboot.

                                          2 votes
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                                            0 comments  ·  Windows Device Portal  ·  Flag idea as inappropriate…  ·  Admin →

                                            Yup, that’s way too noisy – looks like we’re recreating every single certificate on every single network change, even when most of the network endpoints remain the same. We’re looking at ways to make that quieter. Thank you!

                                            Hirsch Singhal
                                            Device Portal Program Manager

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