ObservableCollection<object> 转List<T>

C#编程:ObservableCollection到List<T>的转换方法

ObservableCollection<object>  转 List<T>
List<object> list = dgReport.SelectedItems.ToList();
Object ob = (Object)list;
 List<T> composes = (List<T>)ob;

ObservableCollection<object> 互转 List<object>

T tList = new List(tObjectStruct .ToList());  
ObservableCollection tObjectStruct  = new ObservableCollection(tList); 

tList.ForEach(p => tObjectStruct.Add(t));

用的是prism框架 public class ProductionQueryViewModel : BindableBase { private string _textBoxContent; public string TextBoxContent { get => _textBoxContent; set => SetProperty(ref _textBoxContent, value); } private DateTime? _selectedDate; public DateTime? statime { get => _selectedDate; set => SetProperty(ref _selectedDate, value); } private DateTime? _Endtime; public DateTime? Endtime { get => _Endtime; set => SetProperty(ref _Endtime, value); } private ObservableCollection<string> listData = new ObservableCollection<string>(); public ObservableCollection<string> ListData { get => listData; set => SetProperty(ref listData, value); } private ObservableCollection<object> _queryResult; public ObservableCollection<object> QueryResult { get => _queryResult; set => SetProperty(ref _queryResult, value); } public ICommand QueryData { get; set; } public ICommand setData { get; set; } public ICommand SelectDataCommand { get; set; } public MainViewModel() { QueryData = new RelayCommand(ExecuteQueryData); setData = new RelayCommand(ExecuteSetData); SelectDataCommand = new RelayCommand(ExecuteSelectData); } private void ExecuteQueryData() { // 实现查询数据的逻辑 // 例如,从数据库中查询数据并赋值给 QueryResult } private void ExecuteSetData() { // 实现写入数据的逻辑 } private void ExecuteSelectData() { // 实现选择数据的逻辑 } public event PropertyChangedEventHandler PropertyChanged; protected virtual void OnPropertyChanged(string propertyName) { PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName)); } protected bool SetProperty<T>(ref T storage, T value, string propertyName = null) { if (Equals(storage, value)) return false; storage = value; OnPropertyChanged(propertyName); return true; } }
09-28
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