xaml

问题 In my WPF Window I have a DataGrid control, with its ItemsSource bound to an ObservableCollection of items (let's say a simple object with a couple properties): XAML: (Removed some xmlns stuff for brevity) <Window> <Window.Resources> <CollectionViewSource x:Key="MyViewSource" Source="{Binding MyItemList}" Filter="MyItemList_Filter"/> </Window.Resources> <Window.DataContext> <!-- Some Ioc stuff --> </Window.DataContext> <StackPanel> <TextBox Text="{Binding TextFilter}" /> <DataGrid Grid.Row="1

问题 I am having problems with my Xamarin.Forms not wanting to load anymore, it keeps giving me the error message Unable to cast object of type 'System.RuntimeType' to type 'Mono.Debugger.Soft.TypeMirror'. My code ATM is MainPage.xaml.cs: public partial class MainPage : MasterDetailPage { public MainPage() { InitializeComponent(); } } MainPage.xaml <?xml version="1.0" encoding="utf-8" ?> <MasterDetailPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx

问题 I am having problems with my Xamarin.Forms not wanting to load anymore, it keeps giving me the error message Unable to cast object of type 'System.RuntimeType' to type 'Mono.Debugger.Soft.TypeMirror'. My code ATM is MainPage.xaml.cs: public partial class MainPage : MasterDetailPage { public MainPage() { InitializeComponent(); } } MainPage.xaml <?xml version="1.0" encoding="utf-8" ?> <MasterDetailPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx

问题 I am having problems with my Xamarin.Forms not wanting to load anymore, it keeps giving me the error message Unable to cast object of type 'System.RuntimeType' to type 'Mono.Debugger.Soft.TypeMirror'. My code ATM is MainPage.xaml.cs: public partial class MainPage : MasterDetailPage { public MainPage() { InitializeComponent(); } } MainPage.xaml <?xml version="1.0" encoding="utf-8" ?> <MasterDetailPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx

问题 I am having problems with my Xamarin.Forms not wanting to load anymore, it keeps giving me the error message Unable to cast object of type 'System.RuntimeType' to type 'Mono.Debugger.Soft.TypeMirror'. My code ATM is MainPage.xaml.cs: public partial class MainPage : MasterDetailPage { public MainPage() { InitializeComponent(); } } MainPage.xaml <?xml version="1.0" encoding="utf-8" ?> <MasterDetailPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx

问题 I am having problems with my Xamarin.Forms not wanting to load anymore, it keeps giving me the error message Unable to cast object of type 'System.RuntimeType' to type 'Mono.Debugger.Soft.TypeMirror'. My code ATM is MainPage.xaml.cs: public partial class MainPage : MasterDetailPage { public MainPage() { InitializeComponent(); } } MainPage.xaml <?xml version="1.0" encoding="utf-8" ?> <MasterDetailPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx

问题 For now, I tried with below code <StackLayout> <StackLayout.Grid.Row> <OnPlatform ... /> </StackLayout.Grid.Row> </StackLayout> And also <StackLayout> <Grid.Row> <OnPlatform ... /> </Grid.Row> </StackLayout> Nothing works 回答1: Use StaticResource i.e: <AbsoluteLayout> <StackLayout AbsoluteLayout.LayoutBounds="{StaticResource ContainerPosition}" AbsoluteLayout.LayoutFlags="None"> <BoxView AbsoluteLayout.LayoutBounds="{StaticResource BoxPosition}" Color="Maroon"/> </StackLayout> <AbsoluteLayout

问题 How to always show the scrollbar in a UWP app? The scrollbar always disappears after a few seconds. I have tried setting ScrollViewer.VerticalScrollBarVisibility="Visible" , but the scrollbar still disappears. I have had a look at the Xaml UI Basics sample, and the scroll bars also disappear here regardless of what properties I set. This answer for Windows Phone 8 suggests modifying the scroll viewer template, but that seems like overkill. Any ideas? 回答1: For UWP use this style <!-- In

问题 I am rewrite my UWP Application from Binding to x:Bind. I have a TextChanged Event on different Textboxes. With Binding I could use GetBindingExpression to update the Model. Is there an equivalent Methode for x:Bind? Or how could I make it with x:Bind? public void TextBox_TextChanged(object sender, TextChangedEventArgs e) { var binding = ((TextBox)sender).GetBindingExpression(TextBox.TextProperty); binding.UpdateSource(); } 回答1: I've tried to do this before without success. I think is not

问题 I am rewrite my UWP Application from Binding to x:Bind. I have a TextChanged Event on different Textboxes. With Binding I could use GetBindingExpression to update the Model. Is there an equivalent Methode for x:Bind? Or how could I make it with x:Bind? public void TextBox_TextChanged(object sender, TextChangedEventArgs e) { var binding = ((TextBox)sender).GetBindingExpression(TextBox.TextProperty); binding.UpdateSource(); } 回答1: I've tried to do this before without success. I think is not