I want to create a CheckBox for toggling the Topmost property of the window. If TopMost was a property of the ViewModel, I’d use this: <CheckBox IsChecked="{Binding Path=Topmost}">Topmost</CheckBox> But Topmost is a DependencyProperty on the Window in which the CheckBox is situated. I tried the following: <CheckBox IsChecked="{Binding Path=Topmost, Source={RelativeSource Mode=FindAncestor, AncestorType={x:Type Window}}}">Topmost</CheckBox> but I… Read More Bind to DependencyProperty of Window

I generate dynamic tabs in a TabControl and the content for each should be a view/UserControl that fills a DataGrid. The data seems to be loaded but there is a problem with the bindings as the view does not show anything. I think there is a mismatch with the binding of the ViewModel to the… Read More WPF Dynamic TabControl with view as content (MVVM)

I am not successful at getting my DataTrigger to work for binding to enum. Each line in the ListBox is ‘S’, just as in the default Setter XAML: <Window x:Class="BindToEnumTest.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation&quot; xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml&quot; xmlns:d="http://schemas.microsoft.com/expression/blend/2008&quot; xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006&quot; xmlns:local="clr-namespace:BindToEnumTest" mc:Ignorable="d" Title="MainWindow" Height="450" Width="800"> <Grid> <ListBox Grid.Column="0" x:Name="LBMain" ItemsSource="{Binding}" ScrollViewer.VerticalScrollBarVisibility="Auto"> <ListBox.ItemTemplate> <DataTemplate> <TextBlock Grid.Column="0" x:Name="TxtType"> <TextBlock.Style> <Style TargetType="TextBlock"> <Setter Property="Text"… Read More How to bind Enum to Text property of TextBlock in ListBox

I’m trying to create a simple data binding programmatically in a minimal WPF application. The source is the SourceText property in the SourceClass instance and the target is the Button control: XAML File: namespace notify_on_source_updated { public class SourceClass { public string SourceText { get; set; } } /// <summary> /// Interaction logic for MainWindow.xaml… Read More How to programmatically set `ContentControl.Content` as the dependency property for a data binding between a Button and a string property

I have a file that has multiple "header lines" (identical) for each section (ID) and has multiple IDs. see below; IDS: df-1 df-1 df-1 Date/Time L A Z yyy-mm-dd H:M:S in ft/s2 ft 2022-04-28 13:30:00 NA 0 NA 2022-04-28 13:45:00 NA 2.968 NA 2022-04-28 14:00:00 2.427 3.124 22.818 IDS: dat-2 dat-2 dat-2 Date/Time L A… Read More Reading a text file with multuple header lines and multiple sections

I have a file that has multiple "header lines" (identical) for each section (ID) and has multiple IDs. see below; IDS: df-1 df-1 df-1 Date/Time L A Z yyy-mm-dd H:M:S in ft/s2 ft 2022-04-28 13:30:00 NA 0 NA 2022-04-28 13:45:00 NA 2.968 NA 2022-04-28 14:00:00 2.427 3.124 22.818 IDS: dat-2 dat-2 dat-2 Date/Time L A… Read More Reading a text file with multuple header lines and multiple sections

as the title suggests, I’m My MainWindow.xaml has MainWindowViewModel.cs as its DataContext, and within this ViewModel is an ObservableCollection. In the .xaml file, I added a ListBox as follows: <ListBox ItemsSource="{Binding RoleTypes}"> <ListBox.ItemTemplate> <DataTemplate> <RadioButton Content="{Binding}" GroupName="ClientRole" Command="{Binding SetSelectedRoleCommand, Mode=OneWay}" CommandParameter="{Binding Content, RelativeSource={RelativeSource Self}}"> </RadioButton> </DataTemplate> </ListBox.ItemTemplate> </ListBox> The issue is that I need to… Read More WPF – Bind commands to ListBox items?

I’m trying to dynamically add new records to DataGrid. I’m using HashSet to prevent duplicates. But when I want to add objects from HashSet to ObservableCollection, I get the error: Cannot apply indexing with [] to an expression of type ‘system.collections.generic.ienumerable<>. I have implemented IEnumarable. Contructor in AdminWindow.xaml.cs class public AdminWindow() { InitializeComponent(); ObservableCollection<Alert> alertToDataGrid… Read More Why I cannot add Items into DataGrid in C#

Let’s say I do a $response = Http::get(‘http://example.com&#8217;); $i_want_to_be_a_model = $response->json(); And I have a \App\Models\Example model. How can I make the $i_want_to_be_a_model to be an Example model? I want to do this, because I want to add a method statusText() to the model, that is not part of the result. class Example extends Model… Read More How to make a fetched result fit into a model?

I have two UI controls whose properties I want to bind to properties of two different objects. Here is my XAML file: <Window x:Class="WpfBindingDemo.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation&quot; xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml&quot; xmlns:d="http://schemas.microsoft.com/expression/blend/2008&quot; xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006&quot; mc:Ignorable="d" SizeToContent="WidthAndHeight" ResizeMode="CanMinimize"> <Canvas Width="300" Height="200"> <Slider x:Name="_slider1" Canvas.Left="10" Canvas.Top="10" Width="272"/> <Slider x:Name="_slider2" Canvas.Left="10" Canvas.Top="36" Width="272"/> </Canvas> </Window> And here is my code behind: using System.Windows; using… Read More How to bind different UI controls to different objects