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:

  • Windows developer platform (APIs, runtimes, and controls)
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Your suggestions will be reviewed by the Windows platform developer team, providing feedback to help with planning ideas and to better understand how developers are using the development platform.

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If you’re new to this whole UserVoice thing, we’d like to note two important things about this site: (a) List items (and item rankings) represent community interest in features, and does not represent an actual priority list for the product team; and (b) Suggestions made using this forum will be moderated if they do not actually represent a feature request.

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  1. Modern Windows UI in Win32 desktop applications

    Bring modern Windows UI to existing Win32, WPF and Windows Forms desktop apps with the option to adopt islands of Windows.UI.Composition and Windows.UI.XAML content incrementally. Allows desktop apps to incrementally adopt UI innovations and creates a bridge to UWP for app UI.

    349 votes
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      84 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
    • 3D Volumetric Content in the Visual Layer/ XAML

      Enable 2D application developers to easily use 3D volumetric content in XAML/Composition by configuring spatial scenes and manipulating transforms and skeletal animations.

      7 votes
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        1 comment  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
      • SwipeControl should support mouse input

        The SwipeControl control should support mouse input as well as touch input. Currently it only supports touch input.

        I appreciate that swipe controls have come out of developments around touch interfaces. However on a platform that allows for a single app to run on both desktop and touch devices I think that users will be expecting to be able to interact with the app in similar ways across devices.

        Microsoft have set precedent for this in their own apps. Outlook for example utilises a SwipeControl type arrangement (that can be interacted with using a mouse) for marking emails as read…

        6 votes
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          1 comment  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
        • 1803 NavigationView built-in back button placement looks terrible.

          For 1803, I like that the backbutton is now built-in to the NavigationView control. However, the placement of the button looks terrible next to the hamburger button.

          I was actually excited to see it was built into the Nav control because i can't figure out where to place the backbutton either such that it doesn;t look weird and out of place... but, the built-in nav backbutton doesn't solve the problem either... it still look weird and extreme beta...

          2 votes
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            3 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
          • Issue with Scroll Bar

            Hello guys,

            I experienced problem with UWP ListView, particularly using ISupportIncrementalLoading interface as a datasource.

            A few words about problem context:
            In our UWP app there is a ListView, and it uses ISupportIncrementalLoading as a DataSource.
            And while next part of data is loading, ListView is disabled.

            So, the problem in that if you scroll ListView in way you catch ScrollBar and pull it to the down,
            when you scroll to the end of the list, ListView will be disabled for some period of time (while data is loading).
            And if you release mouse button from ScrollBar
            while ListView is…

            3 votes
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              1 comment  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
            • Support Multiple Functions for x:Bind

              The following example doesn't show an error in the Designer, but throws errors in the generated code. If I add a (x:Int32) case before the inner function I get a 'Functions cannot have other functions as parameters' error.

              Width="{x:Bind exf:Bind.Clamp(exf:Bind.Subtract(ContentHolder.(ex:FrameworkElementExtensions.ActualWidth), 30), 100, 300)}"

              It'd be great if we could chain functions together in x:Bind to create more complex expressions. The above case is trying to subtract from the width of another element, but clamp it within a specific range.

              Rather than writing a specific function for this purpose, it'd be nice if it could be composed of individual pieces that…

              2 votes
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                on the backlog  ·  1 comment  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
              • Add ConstraintsPanel

                Add a panel that allows to create a design with constraints (and support in Blend)

                1 vote
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                  1 comment  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
                • TextBox control need HeightLines property

                  Would be nice if you could set the height of a TextBox using number of Lines. Example:

                  <!-- Set TextBox Height to 10 lines (REQUESTED FEATURE)-->
                  <TextBox HeightLines="10" AcceptsReturn="true"/>

                  <!-- Set TextBox Height to 300 pixels (CURRENT ONLY PIXELS)-->
                  <TextBox Height="300" AcceptsReturn="true"/>

                  The reason why its a good idea to add a HeightLine property is that it allows everything to be done in XAML, setup the FontSize, FontFamily, and the Pixels size automatically to expand to match exactly 10 lines. Previously, this is messy because it requires setting from C# code, to measure height of font and multiply by number…

                  1 vote
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                    0 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
                  • Add SelectedBackground property to CalendarView

                    It would be convenient to have a SelectedBackground property for CalendarView. Its usage would be similar to SelectedForeground and SelectedBorderBrush:

                    SelectedBackground property - Gets or sets a brush that provides the background of a calendar item that's selected.

                    1 vote
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                      0 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
                    • Simplify localization with x:Uid

                      Often, the same command is available in an app through different ways. It might be placed in a MenuFlyout, in a Button, in a AppBarButton. I would like to use the same resource for it, otherwise I would have duplicate localization entries, creating work and confusion for translators. The problem is that all these controls have different properties for the text content:

                      Button --> Content
                      MenuFlyoutItem --> Text
                      AppBarButton --> Label

                      So for my x:Uid="MyAction" I would need the following resources:
                      MyAction.Content
                      MyAction.Text
                      MyAction.Label

                      All with the same original and translated text for all languages! It is pretty annoying having…

                      1 vote
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                        0 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
                      • UWP Button Control Needs a "Header" Attribute...or "HeaderLeaveRoom=true"

                        The reason why Button needs a "Header" Attribute is because if I make a grid of a TextBox with Header Field set, and a place a button next to it... it looks likes like **** without the header padding to push the button down. Here's an example:

                        <Grid>
                        <Grid.ColumnDefinitions>
                        <ColumnDefinition Height="*"/>
                        <ColumnDefinition Height="auto"/>
                        </Grid.ColumnDefinitions>

                        <TextBox Header="Site Information" Grid.Column="0"/>
                        <Button
                        Header="" <!-- THIS IS THE FIX NEEDED. TRY WITHOUT. -->
                        Content="Do-Something-Special-Button"
                        Grid.Column="1"
                        Margin="4,0" />
                        </Grid>

                        Without a "Header" Attribute for the Button Control... it looks like ****... and doesn't line up....

                        Another possiblity is to add an Attribute to Button called:

                        1 vote
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                          0 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
                        • Make Textblock support ReadOnlySpan<T> and ReadOnlyMemory<T>

                          Since we are passing a string via the x:Bind attribute to some UI controls, it would be nice if we could make the binding to a ReadonlySpan<T> so we avoid allocations. This can be very benefitial in datatemplates in Listviews and Gridviews.

                          1 vote
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                            0 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
                          • Classic Main Menu

                            When building line-of-business-apps for enterprises, we often focus on desktop only. Today we're using WPF for these tasks. But if we want to use UWP for it, we would need a classic menu like we have it in Visual Studio and serveral other "expert applications" (=app with a lot of functionality) that require more than just a hamburger menu or some flyouts

                            95 votes
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                              9 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
                            • Make an actual Window.Closed Event for Uwp for desktop

                              right now the window.closed event for desktop fires both for minimization and for closing events.

                              I understand this is done because of the multiplatform support but it just makes desktop apps with multiple Windows harder 5o manage, so please.

                              2 votes
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                                0 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
                              • Editable Combo Box

                                Request for an editable combo box that allows:
                                - keyboard focus for the edit box
                                - ability to type a value that matches an item in the dropdown
                                - ability to type a value that does not match an item in the dropdown (enabled as a control option)
                                - auto complete of the item name while typing
                                - keyboard navigation for opening the dropdown using Alt + down arrow.
                                - keyboard navigation for moving through the list of items in the combo by using left and right arrow keys

                                69 votes
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                                  working on it  ·  3 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
                                • We need backward compatibility for XAML, regardless the contiditional check

                                  We need backward compatibility for XAML just like Android, for example, we can just use NavigationView without any conditional check at all.

                                  Conditional check doesn't actually solve the problem, it doesn't suit the control like NavigationView, since at the end developer still have to create a "NavigationView" with SplitView, which is really pain to maintain.

                                  5 votes
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                                    0 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Add CornerRadius property to Button

                                    It would be nice to be able to easily create rounded or circular buttons in UWP without creating custom control template.

                                    Reveal effect introduced in Fluent Design should also work.

                                    11 votes
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                                      working on it  ·  1 comment  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
                                    • We need a classic TabControl for Desktop applications

                                      For a classic desktop application, we need a TabControl. Currently you can use the Pivot or there are 3rd-party vendors providing a TabControl. But as this is such a central control, it should be part of the platform.
                                      If you build it, it would be great if you could add configurable close-functionality to the tab-header that is bindable to a ViewModel.

                                      I’ve spent some hours to build a small MVVM/UWP/Pivot Prototype that does the typical stuff we do today in WPF with TabControl. And I was impressed how far I got. Sample is here:
                                      https://github.com/thomasclaudiushuber/Uwp-Tab-Control-Spike

                                      Big asks are asks are …

                                      59 votes
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                                        5 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
                                      • ContentDialog locking and placement

                                        ContentDialog is currently far too difficult to use, for two reasons: locking, and placement.
                                        1. Locking. Since only one ContentDialog can be shown at a time, a lock is needed (such as SemaphoreSlim(1,1) or a sequential queue of TaskCompletionSource). In other words, the class is not complete because normal use of it requires wrapping it in additional code.

                                        Recommendation: ContentDialog should do the locking so that the user does not have to. This means that ContentDialog.ShowAsync will wait until any currently-displayed ContentDialog is dismissed before showing the new dialog.

                                        2. Placement. If ShowAsync() or ShowAsync( ContentDialogPlacement.Popup) is used, then the…

                                        1 vote
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                                          0 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
                                        • IServiceProvider for Markup Extensions for WPF parity

                                          This would enable.
                                          - IProvideValueTarget interface
                                          - INameScope interface

                                          This is part of the larger ask of Add Markup Extensions
                                          https://wpdev.uservoice.com/forums/110705/suggestions/7232264

                                          16 votes
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                                            working on it  ·  2 comments  ·  XAML/Controls/Composition  ·  Flag idea as inappropriate…  ·  Admin →
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