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TileImageLoader

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This commit is contained in:
ClemensFischer 2025-01-21 19:28:49 +01:00
parent 115525cbfc
commit b3d147bf5e
4 changed files with 12 additions and 7 deletions
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2
MapControl/Avalonia/TileImageLoader.Avalonia.cs
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@ -13,7 +13,7 @@ namespace MapControl
{
var image = await loadImageFunc().ConfigureAwait(false);
await Dispatcher.UIThread.InvokeAsync(() => tile.SetImageSource(image));
_ = Dispatcher.UIThread.InvokeAsync(() => tile.SetImageSource(image)); // no need to await InvokeAsync
}
}
}

12
MapControl/UWP/TileImageLoader.UWP.cs
View file

@ -11,7 +11,7 @@ namespace MapControl
{
public partial class TileImageLoader
{
private static Task<object> LoadTileAsync(Tile tile, Func<Task<ImageSource>> loadImageFunc)
private static async Task LoadTileAsync(Tile tile, Func<Task<ImageSource>> loadImageFunc)
{
var tcs = new TaskCompletionSource<object>();
@ -21,8 +21,9 @@ namespace MapControl
{
var image = await loadImageFunc();
tcs.TrySetResult(null); // tcs.Task has completed when image is loaded
tile.SetImageSource(image);
tcs.TrySetResult(null);
}
catch (Exception ex)
{
@ -30,9 +31,12 @@ namespace MapControl
}
}
_ = tile.Image.Dispatcher.RunAsync(CoreDispatcherPriority.Low, LoadTileImage);
if (!await tile.Image.Dispatcher.TryRunAsync(CoreDispatcherPriority.Low, LoadTileImage))
{
tcs.TrySetCanceled();
}
return tcs.Task;
await tcs.Task;
}
}
}

2
MapControl/WPF/TileImageLoader.WPF.cs
View file

@ -14,7 +14,7 @@ namespace MapControl
{
var image = await loadImageFunc().ConfigureAwait(false);
await tile.Image.Dispatcher.InvokeAsync(() => tile.SetImageSource(image));
_ = tile.Image.Dispatcher.InvokeAsync(() => tile.SetImageSource(image)); // no need to await InvokeAsync
}
}
}

3
MapControl/WinUI/TileImageLoader.WinUI.cs
View file

@ -21,8 +21,9 @@ namespace MapControl
{
var image = await loadImageFunc();
tcs.TrySetResult(); // tcs.Task has completed when image is loaded
tile.SetImageSource(image);
tcs.TrySetResult();
}
catch (Exception ex)
{