ClemensFischer/XAML-Map-Control
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Image loading with cancellation

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ClemensFischer 2025-08-20 00:29:56 +02:00
parent 79b9e9d33d
commit ebd90f5a45
3 changed files with 53 additions and 69 deletions
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14
MapControl/Shared/MapImageLayer.cs
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@ -171,12 +171,7 @@ namespace MapControl
protected async Task UpdateImageAsync()
{
updateTimer.Stop();
if (cancellationTokenSource != null)
{
cancellationTokenSource.Cancel();
cancellationTokenSource = null;
}
cancellationTokenSource?.Cancel();
if (ParentMap != null && ParentMap.ActualWidth > 0d && ParentMap.ActualHeight > 0d)
{
@ -187,9 +182,12 @@ namespace MapControl
var boundingBox = ParentMap.ViewRectToBoundingBox(new Rect(x, y, width, height));
cancellationTokenSource = new CancellationTokenSource();
ImageSource image;
var image = await GetImageAsync(boundingBox, loadingProgress, cancellationTokenSource.Token);
using (cancellationTokenSource = new CancellationTokenSource())
{
image = await GetImageAsync(boundingBox, loadingProgress, cancellationTokenSource.Token);
}
cancellationTokenSource = null;