553
questions
0
votes
0
answers
20
views
Long term file access on Avalonia cross platform application
I am trying to make an Avalonia cross platform application that lets you pick one or multiple images with a file picker. Once the images are selected, i store the file path into a collection that the ...
0
votes
2
answers
57
views
How to add binding to the button inside DataGrid?
I don't understand how to add binding to the button inside DataGrid. Can you please help me?
What I have:
I can connect any simple button and I can give it some functionality. But when I want to do a ...
- 3
0
votes
1
answer
29
views
Input to focused TextBox in Avalonia MVVM app
I am writing and application for a touchscreen, using .NET 8, Avalonia UI and Community toolkit MVVM.
In my view I have three TextBoxes.
I have created a UserControll which is a numpad that will be ...
- 1
0
votes
0
answers
23
views
Apply to user control a style using converter with multiple values and value sources
I am working in Avalonia and have a user control (UC) whose IsVisible value I want to bind to properties of both its DataContext and that of the parent control. In the parent control/view I have an ...
- 86
0
votes
0
answers
39
views
The problem of memory leakage when closing the window
The essence of my program is to create a window for all screens through the tray. In this case, the main program flow ends when the tray is closed. The bottom line is that when creating and closing a ...
0
votes
1
answer
42
views
Styling Avalonia Slider Conntrol
I would like to style the sizes and colors of Avalonia Slider Control.
Visually it seems to work but it stops the sliding functionailty, I tried to look at the Slider source code to find out how to do ...
- 1,248
0
votes
0
answers
25
views
Does ObservableCollection support cross thread use in Avalonia?
I am a novice to Avalonia. I've encountered with InvalidOperationException and I've found that's because I called ObservableCollection.Add() in another thread.I used Dispatcher.UIThread.Invoke() and ...
- 11
2
votes
2
answers
58
views
How to bind multiple controls to a single model value in Avalonia UI MVVM without making the model object contain [ObservableProperty]
When using MVVM Community Toolkit, C#, .NET and Avalonia UI, I find myself making my model objects observable because it solves a recurring problem that I encounter when editing a model value from ...
- 9,680
0
votes
1
answer
51
views
Avalonia DataContext is null in code behind
I have the following application structure:
Views:
MainWindow
MainView
View1
View2
ViewModels:
MainViewModel
MainWindow:
<Window xmlns="https://github.com/avaloniaui"
xmlns:x=&...
- 35
-2
votes
1
answer
28
views
Setting DataGrid SelectedItem does not select item in grid
I have an Avalonia DataGrid. ItemSource and SelectedItem are binded in axaml.
After i refresh collection DataGrid loses focus and SelectedItem becomes null.
I want to get selected item back on ...
- 69
1
vote
1
answer
42
views
In Avalonia, how do I calculate the size of a text without rendering it?
I'm using Avalonia 11.1 and I'd like to know the size of my TextBlock's content before actually rendering it, so that I can align components properly in one go.
I can't find any ready-to-use function ...
- 341
-1
votes
1
answer
73
views
Global keyboard shortcut with windows key on Windows with .NET 8
I am writing an app switcher inspired by Contexts kind of for fun, and got stuck on reacting to a global keyboard shortcut. I am using .NET 8 + Avalonia.
What I got so far:
using System;
using System....
- 2,906
0
votes
0
answers
31
views
How to recursively read folders with Avalonia StorageProvider (Android)
I am letting a user chose a folder on the device through topLevel.StorageProvider.OpenFolderPickerAsync. When the folder gets returned succesfully, i use the following code to try to read all ...
0
votes
1
answer
65
views
How to draw on a canvas in avalonia?
I am learning Avalonia for a small project and I really enjoy it, but I can't find much documentation on drawing in a canvas.
My goal is very simple: to draw a grid on my canvas...
However, every time ...
- 85
0
votes
0
answers
43
views
Avalonia Binding not updating
why is my binding not working correctly, its grabbing the value once but never updating
after this.RaisPropertyChanged...
public ScreenViewModel Screen => screen;
public bool SetScreen(...
- 21