win-universal-app

UWP Windows 10 App memory increasing on navigation

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Every time you navigate to a Page, you create a new instance of Page, but the previous Page is not disposed (even if the Page is already in the navigation stack). To prevent multiple allocation of same page, set NavigationCacheMode=”Enabled” attribute to the Page. Also, to minimize the memory allocation, you must override method OnNavigatedTo … Read more

How to execute Process commands (or similar) using a Universal Windows Platform (UWP) App?

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There are – limited – ways to achieve similar behavior. You could use LaunchUri to trigger other apps which registered for a certain URI-Scheme. This should work for your webbrowser scenario. More details here: https://msdn.microsoft.com/en-us/library/windows/apps/windows.system.launcher.launchuriasync.aspx You could trigger another app and get results back from it using LaunchForResults. The called app has to support this. … Read more

How to use Acrylic Accent in Windows 10 Creators Update?

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CREATOR UPDATE XAML You need to use a component that you put on the background of your app, let’s say a RelativePanel <RelativePanel Grid.Column=”0″ Grid.ColumnSpan=”2″ MinWidth=”40″ x:Name=”MainGrid” SizeChanged=”Page_SizeChanged”/> <RelativePanel Grid.Column=”0″ Width=”{Binding ElementName=MainGrid,Path=Width}” Background=”#28000000″/> <Grid> <!–Having content here, for example textblock and so on–> </Grid> The second RelativePanel is used to set the shadow color above … Read more

UWP Enable local network loopback

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For a line of business app use the checknetisolation.exe tool to grant the app a loopback exception. To enable loopback use this command: c:\>checknetisolation loopbackexempt -a -n=<package family name> To disable loopback use this command: c:\>checknetisolation loopbackexempt -d -n=<package family name> The package family name for a UWP app can be found in several places: … Read more

How to check internet connectivity type in Universal Windows Platform

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1. Check Internet Connection Availability To check whether any network connection is established or not use GetIsNetworkAvailable method of NetworkInterface class. bool isNetworkConnected = NetworkInterface.GetIsNetworkAvailable(); GetIsNetworkAvailable() – Summary: Indicates whether any network connection is available. Returns: true if a network connection is available; otherwise, false. 2. Check Internet Connection Availability via WWLN (WiFi) To check … Read more

Let image ManipulationMode capture pointer

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Why don’t you just use drag-n-drop? Create a grid containing your toolbar (e.g. a list of images to drag) and a target grid that responds to dragdrop commands: <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width=”Auto” /> <ColumnDefinition Width=”Auto” /> <ColumnDefinition /> </Grid.ColumnDefinitions> <ListBox Background=”AliceBlue” MouseMove=”OnMouseMove”> <ListBox.Resources> <Style TargetType=”{x:Type Image}”> <Setter Property=”Width” Value=”64″ /> <Setter Property=”Height” Value=”64″ /> </Style> … Read more

Setting window size on desktop for a Windows 10 UWP app

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Try setting PreferredLaunchViewSize in your MainPage‘s constructor like this: public MainPage() { this.InitializeComponent(); ApplicationView.PreferredLaunchViewSize = new Size(480, 800); ApplicationView.PreferredLaunchWindowingMode = ApplicationViewWindowingMode.PreferredLaunchViewSize; } As @kol also pointed out, if you want any size smaller than the default 500×320, you will need to manually reset it: ApplicationView.GetForCurrentView().SetPreferredMinSize(new Size(200, 100));