32 lines
839 B
C#
32 lines
839 B
C#
namespace WpfApp1
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{
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using System;
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using System.Collections.ObjectModel;
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using System.Windows.Controls;
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public class DialogService
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{
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private static readonly Lazy<DialogService> LazyInstance = new(() => new DialogService());
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private readonly ObservableCollection<UserControl> _dialogs = new();
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public DialogService()
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{
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Dialogs = new ReadOnlyObservableCollection<UserControl>(_dialogs);
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}
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public static DialogService Instance => LazyInstance.Value;
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public ReadOnlyObservableCollection<UserControl> Dialogs { get; }
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public void Add(UserControl userControl)
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{
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_dialogs.Add(userControl);
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}
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public void Remove(UserControl userControl)
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{
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_dialogs.Remove(userControl);
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}
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}
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}
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