In WinUI3, How to make the TabItems load the corresponding page after clicking and selecting them
In WinUI3, TabView has some TabItems. how to make the TabItems load the corresponding page after clicking and selecting them. My codes as following, but they don't work( Just check the second tab). <?xml version="1.0"…
How to customize TabView in WinUI3
How to customize TabView in WinUI3 as follows: Set the header of the selected tab to bold font and red background, and the header of the unselected tab to yellow background. Leave some space between each tab header. Add a red dividing line between…
In UWP or WinUI3, how to use AutoSuggestBox as the search box and highlight the matching keywords in red in the search result list
AutoSuggestBox is a good control in WinUI3. I use it as a search box and display search results. But how to achieve more advanced functions, such as highlighting keywords in the results ( ex, one of the result is 'powered by Microsoft', and only…
How to correctly initialize MediaCaptureInitializationSettings for an IP Camera?
Hello, I'm currently attempting to use Windows::Media::Capture APIs in C++/CX to record MP4 streams from an IP Camera. Here is a code snippet I have written: MediaCaptureInitializationSettings^ settings = ref new…
Setup app for website without using msix installer (e.g. using .exe installer)
Our application supports apps for websites using app URI handlers. However some older computers or domain computers with certain policies cannot install apps packaged in msix installer. Is there a way to register your app to handle links…
Not able to create new object of DesktopWindowXamlSource after closing one
Hi, I'm working on Win32 application with Xaml Island. I'm facing the issue with DesktopWindowXamlSource. If I create two objects of DesktopWindowXamlSource, it's working as expected. However, If I create one object and close it using Close() method.…
When will we use xaml designer view in WinUI 3.0?
Hello, I just updated my VS 2022 to 17.0.2 and created a WinUI 3.0 based project to test XAML designer view in it. I tried open XAML designer view in the project but failed because there's no XAML designer view in it. When will we use…
How to set up WinUI3 applications to run as administrators
I'm begging to write WinUI3 application. Administrator privileges are required for certain functions. In the Win-form program, simply configure the following in the app. manifest <requestedExecutionLevel level="requestAdministrator"…
What is the best way for customizing TitleBar in WinUI 3?
What is the best way for customizing TitleBar in WinUI 3? I used to customize in this way: 1.using window.Extend... and window.SetTitlebar(element); 2.using window.AppWindow.Extend... now there is a new way for customizing titlebar…
How can I change the border color of a NavigationView in WinUI 3?
Which property is it in the generic.xaml? I can't even find the TargetType. Lines within the red rectangles.
Why upon closing an invisible window gives an Error in WinUI3 project?
Hi, I am creating a multi-window application in C++ using WinUI3. To make the application even running if no windows are visible, I am creating an invisible window. During exiting the application, we need to close all the Windows to come out of the…
How can I set a control/element to full screen in WinUI3
I'm using MediaPlayerElement to play video, but there is no full screen button in the MediaTransportControls(but it does exist in UWP). So I think, maybe I can set the MediaPlayerElement or it's parent element to full screen. I tried the ZIndex and…
Winui3 Button color?
Hi Hi got a question on button color - now this is coming from a WPF point of view. It looks like the default buttons are not grey like the are in WPF. First question is I am assuming it is some guideline that I am not understanding. Plus…
Request targets an app that is not in allowed receiving apps list by WNS
Hello, I have a problem during sending WNS raw notifications to my app on client's computers. I receive this error sometimes, but not for all my clients: 2024-05-29 19:16:06.244 +02:00 [WRN] X-WNS-Debug-Trace: BY3PEPF000195A1 2024-05-29 19:16:06.245…
WinUI3 : How to close all the visible window at once
Hi, I'm working on a WinUI3 desktop application in C++. I'm building a multiwindow application. Is there a way to close all the window at once in WinUI3? One way is to maintain the List of windows ourselves, is there any other way to solve this? just…
How To Download .NET Runtime For MSIX Or Appx?
I Want To Use MSIX Hero On My PC And It Requires .NET Runtime 6.0 but i can run exe's for some reason i cant figure out. i am not looking into figure out how to run exes i just want to know or if there is a way do get .NET Runtime 6.0 for msix (bundle)…
How to create a system notification with ultra long ellipses displayed
Hi I want to display all the text on the system notification, but extra long text shows ellipses. Also need to use line breaks to wrap the displayed text. The code is placed in the following link, and the commented out lines 133 and 134 are the desired…
Performance Discrepancy Between Templated Control and Direct Implementation
I encountered a performance issue while working on a project where I utilized two identical buttons with all properties set the same. The only difference was in the content: one button utilized a PathIcon inside a Viewbox, while the other utilized a…
How to receive WM_SETTINGCHANGE message in WinUI3 when system theme changes
Hi, I want to capture system theme change event in my WinUI3 app. I'm trying like below code snippet, but not receiving WM_SETTINGCHANGE message there. void TWWinUI3App::OnLaunched(LaunchActivatedEventArgs const&) { // ... Window window =…
Set MTA Thread on WinUI3
Hi, In winform, we have: [MTAThread] static void Main() { Application.Run(new Main()); } How can we set [MTAThread] in winUI3? Thanks.