StrangeTools/WarcViewerBlazorWinForm/ViewerMainForm.cs

using Microsoft.AspNetCore.Components.WebView.WindowsForms;
using WarcViewerBlazorWinForm.UI;

namespace WarcViewerBlazorWinForm
{
    public partial class ViewerMainForm : Form
    {
        public IServiceProvider? ServiceProvider { get; set; }

        public ViewerMainForm()
        {
            InitializeComponent();
        }

        private async void ViewerMainForm_Shown(object sender, EventArgs e)
        {
            if (ServiceProvider == null) throw new InvalidOperationException($"Must set {nameof(ServiceProvider)} before show!");

            MainBlazorWebView.HostPage = "wwwroot\\index.html";
            MainBlazorWebView.Services = ServiceProvider;
            MainBlazorWebView.RootComponents.Add<App>("#app");

#if DEBUG
            await ShowF12();
#endif
        }

        public async Task ShowF12()
        {
            await MainBlazorWebView.WebView.EnsureCoreWebView2Async();
            MainBlazorWebView.WebView.CoreWebView2.OpenDevToolsWindow();
        }

        public string? OpenFileWarc()
        {
            return OpenFile("All supported warc files (*.warc;*.7z;*.zip)|*.warc;*.7z;*.zip", "Open WARC file");
        }

        public string? OpenFile(string filter = "All files (*.*)|*.*", string? title = null)
        {
            var dlg = new OpenFileDialog
            {
                Multiselect = false,
                Title = title,
                Filter = filter,
                CheckFileExists = true,
            };

            var result = dlg.ShowDialog(this);

            return result == DialogResult.OK
                ? dlg.FileName : null;
        }
    }
}