38 lines
1.1 KiB
C#
38 lines
1.1 KiB
C#
using Avalonia;
|
|
using Avalonia.Controls;
|
|
using Avalonia.Controls.Primitives;
|
|
using Avalonia.VisualTree;
|
|
using Ursa.Controls;
|
|
using Ursa.Demo.ViewModels;
|
|
|
|
namespace Ursa.Demo.Pages;
|
|
|
|
public partial class ToastDemo : UserControl
|
|
{
|
|
private ToastDemoViewModel _viewModel;
|
|
private TopLevel? _topLevel;
|
|
|
|
public ToastDemo()
|
|
{
|
|
InitializeComponent();
|
|
_viewModel = new ToastDemoViewModel();
|
|
DataContext = _viewModel;
|
|
}
|
|
|
|
protected override void OnAttachedToVisualTree(VisualTreeAttachmentEventArgs e)
|
|
{
|
|
base.OnAttachedToVisualTree(e);
|
|
_topLevel = TopLevel.GetTopLevel(this);
|
|
_viewModel.ToastManager = new WindowToastManager(_topLevel) { MaxItems = 3 };
|
|
}
|
|
|
|
protected override void OnDetachedFromVisualTree(VisualTreeAttachmentEventArgs e)
|
|
{
|
|
base.OnDetachedFromVisualTree(e);
|
|
var adorner = _topLevel.FindDescendantOfType<VisualLayerManager>()?.AdornerLayer;
|
|
if (adorner is not null && _viewModel.ToastManager is not null)
|
|
{
|
|
adorner.Children.Remove(_viewModel.ToastManager);
|
|
}
|
|
}
|
|
} |