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fix: remove Manager OnDetachedFromVisualTree.

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This commit is contained in:
Zhang Dian
2024-09-12 18:28:13 +08:00
parent 4258e4bbea
commit a054d17fd7
4 changed files with 36 additions and 10 deletions
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17
demo/Ursa.Demo/Pages/NotificationDemo.axaml.cs
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@@ -1,5 +1,7 @@
using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.VisualTree;
using Ursa.Controls;
using Ursa.Demo.ViewModels;
@@ -8,6 +10,7 @@ namespace Ursa.Demo.Pages;
public partial class NotificationDemo : UserControl
{
private NotificationDemoViewModel _viewModel;
private TopLevel? _topLevel;
public NotificationDemo()
{
@@ -19,7 +22,17 @@ public partial class NotificationDemo : UserControl
protected override void OnAttachedToVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnAttachedToVisualTree(e);
var topLevel = TopLevel.GetTopLevel(this);
_viewModel.NotificationManager = new WindowNotificationManager(topLevel) { MaxItems = 3 };
_topLevel = TopLevel.GetTopLevel(this);
_viewModel.NotificationManager = new WindowNotificationManager(_topLevel) { MaxItems = 3 };
}
protected override void OnDetachedFromVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnDetachedFromVisualTree(e);
var adorner = _topLevel.FindDescendantOfType<VisualLayerManager>()?.AdornerLayer;
if (adorner is not null && _viewModel.NotificationManager is not null)
{
adorner.Children.Remove(_viewModel.NotificationManager);
}
}
}