oopDemo/speedLight/speedLight.UI/Views/MainWindow.axaml.cs

using System;
using Avalonia.Controls;
using speedLight.UI.Helpers;
using speedLight.UI.Models;
using speedLight.UI.ViewModels;

namespace speedLight.UI.Views;

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();
    }

    private void h_FillCmbList()
    {
        foreach (Picture picture in ((MainWindowViewModel) DataContext).Pictures.Items)
        {
            cmbList.Items.Add(picture);
        }
        cmbSpeed.Items.Add("")
    }

    private void CmbList_OnSelectionChanged(object? sender, SelectionChangedEventArgs e)
    {
        Picture? obj = (Picture)(cmbList.SelectedValue);
        if (obj == null) return;
        ((MainWindowViewModel)DataContext).ImageFromWebsite = ImageHelper.LoadFromWeb(new Uri(obj.Url));
    }

    private void CmbList_OnDropDownOpened(object? sender, EventArgs e)
    {
    }

    private void StyledElement_OnDataContextChanged(object? sender, EventArgs e)
    {
        if (cmbList.Items.Count == 0) h_FillCmbList();
    }

    private void CmbSpeed_OnSelectionChanged(object? sender, SelectionChangedEventArgs e)
    {
        
    }
}