ClemensFischer/XAML-Map-Control
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Image loading with cancellation

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ClemensFischer 2025-08-19 23:20:11 +02:00
parent 81eabef257
commit 69bba213f0
13 changed files with 103 additions and 88 deletions
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5
MapControl/Shared/TileSource.cs
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@ -1,4 +1,5 @@
using System;
using System.Threading;
using System.Threading.Tasks;
#if WPF
using System.Windows.Media;
@ -73,11 +74,11 @@ namespace MapControl
/// Loads a tile ImageSource asynchronously from GetUri(column, row, zoomLevel).
/// This method is called by TileImageLoader when caching is disabled.
/// </summary>
public virtual Task<ImageSource> LoadImageAsync(int column, int row, int zoomLevel)
public virtual Task<ImageSource> LoadImageAsync(int column, int row, int zoomLevel, CancellationToken cancellationToken)
{
var uri = GetUri(column, row, zoomLevel);
return uri != null ? ImageLoader.LoadImageAsync(uri) : Task.FromResult((ImageSource)null);
return uri != null ? ImageLoader.LoadImageAsync(uri, null, cancellationToken) : Task.FromResult((ImageSource)null);
}
/// <summary>