fix: make sure to update ui in its thread

src/VirtualStreetSnap/Services/ScreenshotHelper.cs

@@ -22,9 +22,9 @@ public static class ScreenshotHelper
     /// </summary>
     /// <param name="screenBounds">The bounds of the screen to capture.</param>
     /// <returns>A task that represents the asynchronous operation. The task result contains the captured screen as a Bitmap.</returns>
-    public static async Task<Bitmap> CaptureFullScreenAsync(PixelRect screenBounds)
+    public static async Task<Bitmap> CaptureFullScreenAsync(PixelRect screenBounds,int msDelay = 10)
     {
-        await Task.Delay(5); // This is a workaround to prevent the app from freezing when capturing the screen.
+        await Task.Delay(msDelay); // This is a workaround to prevent the app from freezing when capturing the screen.
         using var bitmap = new System.Drawing.Bitmap(screenBounds.Width, screenBounds.Height);
         using var g = Graphics.FromImage(bitmap);
         g.CopyFromScreen(screenBounds.X, screenBounds.Y, 0, 0,

src/VirtualStreetSnap/Views/SnapShotView.axaml.cs

@@ -1,11 +1,13 @@
 using System;
 using System.IO;
 using System.Linq;
+using System.Threading.Tasks;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.Interactivity;
 using Avalonia.Platform;
+using Avalonia.Threading;
 using VirtualStreetSnap.Services;
 using VirtualStreetSnap.ViewModels;
 using VirtualStreetSnap.Models;
@@ -37,11 +39,10 @@ private async void SnapshotButton_Click(object? sender, RoutedEventArgs e)
     {
         GetCurrentScreenInfo();
         if (_currentScreen == null) return;
-        Overlay.IsVisible = false;
+        await Dispatcher.UIThread.InvokeAsync(() => Overlay.IsVisible = false);
         var currentScreen = _currentScreen;
-        Console.WriteLine(_window);
-        var screenshot = await ScreenshotHelper.CaptureFullScreenAsync(currentScreen.Bounds);
-        Overlay.IsVisible = true;
+        var screenshot = await Task.Run(() => ScreenshotHelper.CaptureFullScreenAsync(currentScreen.Bounds));
+        await Dispatcher.UIThread.InvokeAsync(() => Overlay.IsVisible = true);
 
         // calculate capture area
         var appScale = currentScreen.Scaling;
@@ -171,7 +172,7 @@ private void DisplayTextBlock_PointerPressed(object sender, PointerPressedEventA
     }
 
     private void InputElement_OnPointerPressed(object? sender, PointerPressedEventArgs e)
-    {   
+    {
         var _window = TopLevel.GetTopLevel(this) as Window;
         _window?.BeginMoveDrag(e);
     }

src/VirtualStreetSnap/VirtualStreetSnap.csproj

@@ -15,7 +15,7 @@
         <BuiltInComInteropSupport>true</BuiltInComInteropSupport>
         <ApplicationManifest>app.manifest</ApplicationManifest>
         <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault>
-        <Version>0.1.5</Version>
+        <Version>0.1.5.1</Version>
         <Authors>Atticus</Authors>
         <Description>A simple screen shot tool design for VirtualStreetSnap</Description>
     </PropertyGroup>