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注意:ObservableCollection集合 直接使用OrderBy 等函數排序,有問題的,排序不改變,可以轉成List在進行排序
命名空間:System.Collections.ObjectModle
在WPF中,綁定列表List,數據更新后不會通知界面更新,要使用ObservableCollection集合,當數據發生改變就通知界面改變;
解決方法一:List列表轉為ObservableCollection集合
private ObservableCollection<BaseSignalViewModel> children = new ObservableCollection<BaseSignalViewModel>();
public ObservableCollection<BaseSignalViewModel> Children
{
get { return children; }
set
{
children = value;
NotifyOfPropertyChange(() => Children);
}
}
List<BaseSignalViewModel> listChild = CurrentSignal.Children.ToList();
listChild.Sort(delegate(BaseSignalViewModel p1, BaseSignalViewModel p2) { return Comparer<string>.Default.Compare(p1.Index.ToString(), p2.Index.ToString()); });
//List列表轉為ObservableCollection集合
CurrentSignal.Children = new ObservableCollection<BaseSignalViewModel>(listChild);
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作者:Kaivin.bao
來源:CSDN
原文:https://blog.csdn.net/byh371256/article/details/83346807
版權聲明:本文為博主原創文章,轉載請附上博文鏈接!