uwp

问题 Im trying to update some UWP UI from a background thread via the Dispatcher. However, the handler passwed to the RunAsync method is still getting executed on a backlground thread. I have no idea how to fix this - have I missed something? --EDIT-- I only have one window, which is Window.Current I have tried the Community Toolkit DispatcherHelper class, but I'm still getting the exact same exception private static async void OnSelectedItemChanged(DependencyObject d,

问题 I create a WindowsRuntimeComponent3 solution, batch build then VS create a series directories as below, there are WindowsRuntimeComponent3.winmd in these different directories. just wonder which WindowsRuntimeComponent3.winmd do I need to add? if them one by one, it will report error your comment welcome 回答1: You add a reference to the project directly, and VS will take care of the CPU architecture and build flavour for you; you shouldn't need to look in those specific directories. When you

问题 I create a WindowsRuntimeComponent3 solution, batch build then VS create a series directories as below, there are WindowsRuntimeComponent3.winmd in these different directories. just wonder which WindowsRuntimeComponent3.winmd do I need to add? if them one by one, it will report error your comment welcome 回答1: You add a reference to the project directly, and VS will take care of the CPU architecture and build flavour for you; you shouldn't need to look in those specific directories. When you

问题 I have the following code: <Grid> <Grid.Resources> <Style TargetType="Line"> <Setter Property="Stroke" Value="Black"></Setter> <Setter Property="StrokeDashArray" Value="3"></Setter> <Setter Property="StrokeThickness" Value="3"></Setter> </Style> </Grid.Resources> <Line X1="20" X2="500" Y1="50" Y2="50"></Line> <Line X1="20" X2="500" Y1="100" Y2="100"></Line> <Line X1="20" X2="500" Y1="150" Y2="150"></Line> </Grid> You could see the screenshoot, the StrokeDashArray property value in the style

问题 I met an UWP issue, and asked question as below post: How to detect user idle in UWP? Thanks for Nico to answer my question! And he provided an example code here: https://stefanwick.com/2018/05/15/global-hotkey-registration-in-uwp/ https://github.com/StefanWickDev/ExtensionGallery/tree/master/GlobalHotkey Some of the codes which report compile errors are: using Windows.ApplicationModel; using Windows.ApplicationModel.AppService; using Windows.ApplicationModel.Core; using Windows.Foundation

问题 I have a UWP MVVM application where I bind, amongst others, the following property to a DataGridComboBoxColumn : public List<ComboBoxValues> ListValues { get; set; } = new List<ComboBoxValues>(); XAML: xmlns:local="using:MyProject.ViewModels" <controls:DataGridComboBoxColumn Header="myHeader" Binding="{Binding theSelectedValue, Mode=TwoWay}" ItemsSource="{x:Bind local:PageVM.ListValues, Mode=OneWay}" DisplayMemberPath="theValueOptions"/> I use dependency injection, using Autofac to generate

问题 I'm using UWP project to launch an win32 apps developed with Qt, but I need to pass some parameters (args). If I launch (.exe) without parameters it works. I'm a beginner in UWP Thanks for your help. I've tried to use this code but was not succesful. ApplicationData.Current.LocalSettings.Values["Parameters"] = tbParameters.Text; await FullTrustProcessLauncher.LaunchFullTrustProcessForCurrentAppAsync("Parameters"); //Parameters 回答1: Assuming I understand your question correctly, please have a

问题 I'm using UWP project to launch an win32 apps developed with Qt, but I need to pass some parameters (args). If I launch (.exe) without parameters it works. I'm a beginner in UWP Thanks for your help. I've tried to use this code but was not succesful. ApplicationData.Current.LocalSettings.Values["Parameters"] = tbParameters.Text; await FullTrustProcessLauncher.LaunchFullTrustProcessForCurrentAppAsync("Parameters"); //Parameters 回答1: Assuming I understand your question correctly, please have a

问题 In a UWP application, i have a Listview with a datatemplate. The ListView is binded via ItemsSource to an ObservableCollection of my model. <ListView SelectionMode="None" ItemTemplate="{StaticResource MydataTemplate}" ItemsSource="{Binding Meals, Mode=OneWay}" Meals is the ObservableCollection of model Meal : public class Meal { public string restaurantId { get; set; } public double price { get; set; } public int Quantity { get; set; } = 0; } Inside ListView DataTemplate, i have a User

问题 In a UWP application, i have a Listview with a datatemplate. The ListView is binded via ItemsSource to an ObservableCollection of my model. <ListView SelectionMode="None" ItemTemplate="{StaticResource MydataTemplate}" ItemsSource="{Binding Meals, Mode=OneWay}" Meals is the ObservableCollection of model Meal : public class Meal { public string restaurantId { get; set; } public double price { get; set; } public int Quantity { get; set; } = 0; } Inside ListView DataTemplate, i have a User