StackOverflow2013

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17040143
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0
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0
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0
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2013-06-11T08:58:18.100
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2013-06-11T08:58:18.100
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2290676
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17039296
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2
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0
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text
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I found in constructor some interesting things: <pre><code>public BindingList() { // ... this.Initialize(); } private void Initialize() { this.allowNew = this.ItemTypeHasDefaultConstructor; if (typeof(INotifyPropertyChanged).IsAssignableFrom(typeof(T))) // yes! all you're right { this.raiseItemChangedEvents = true; foreach (T local in base.Items) { this.HookPropertyChanged(local); } } } </code></pre> Quick fix 4 this behavior: <pre><code>public class BindingListFixed<T> : BindingList<T> { [NonSerialized] private readonly bool _fix; public BindingListFixed() { _fix = !typeof (INotifyPropertyChanged).IsAssignableFrom(typeof (T)); } protected override void InsertItem(int index, T item) { base.InsertItem(index, item); if (RaiseListChangedEvents && _fix) { var c = item as INotifyPropertyChanged; if (null!=c) c.PropertyChanged += FixPropertyChanged; } } protected override void RemoveItem(int index) { var item = base[index] as INotifyPropertyChanged; base.RemoveItem(index); if (RaiseListChangedEvents && _fix && null!=item) { item.PropertyChanged -= FixPropertyChanged; } } void FixPropertyChanged(object sender, PropertyChangedEventArgs e) { if (!RaiseListChangedEvents) return; if (_itemTypeProperties == null) { _itemTypeProperties = TypeDescriptor.GetProperties(typeof(T)); } var propDesc = _itemTypeProperties.Find(e.PropertyName, true); OnListChanged(new ListChangedEventArgs(ListChangedType.ItemChanged, IndexOf((T)sender), propDesc)); } [NonSerialized] private PropertyDescriptorCollection _itemTypeProperties; } </code></pre> Thanks for replies!
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Title
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PostAcceptedAnswerId
1. This table or related slice is empty.
PostParentId
1. POBindingList<T> INotifyPropertyChanged unexpected behavior
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PostTypePostTypeId
1. PTAnswer
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1. This table or related slice is empty.
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1. USwsnzone
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Guidance

A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.