46 lines
1.2 KiB
C#
46 lines
1.2 KiB
C#
using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Collections.Specialized;
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using System.ComponentModel;
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namespace WPFluent.Controls;
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public class TreeModelRowCollection<T> : ObservableCollection<T>
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{
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public void RemoveRange(int index, int count)
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{
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CheckReentrancy();
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if (Items is List<T> { } items)
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{
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items.RemoveRange(index, count);
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}
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OnReset();
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}
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public void InsertRange(int index, IEnumerable<T> collection)
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{
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CheckReentrancy();
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if (Items is List<T> { } items)
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{
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items.InsertRange(index, collection);
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}
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OnReset();
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}
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/// <summary>
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/// <see cref="ObservableCollection{T}.CountString"/>
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/// <see cref="ObservableCollection{T}.IndexerName"/>
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/// </summary>
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private void OnReset()
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{
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OnPropertyChanged(nameof(Count));
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OnPropertyChanged("Item[]");
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OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
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}
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private void OnPropertyChanged(string propertyName)
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{
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OnPropertyChanged(new PropertyChangedEventArgs(propertyName));
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}
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}
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