WPF给类添加属性通知 INotifyPropertyChanged

publicabstractclassBaseModel:INotifyPropertyChanged{publiceventPropertyChangedEventHandlerPropertyChanged;/// <summary>/// 属性改变，通知更新UI/// </summary>/// <remarks>/// 创建时间：2025-12-2 11:16:36，作者：whl/// </remarks>protectedvirtualvoidOnPropertyChanged([System.Runtime.CompilerServices.CallerMemberName]stringpropertyName=null){try{PropertyChanged?.Invoke(this,newPropertyChangedEventArgs(propertyName));}catch(Exceptionex){Debug.WriteLine(ex.ToString());}}privatedouble_extendNum1;/// <summary>///扩展字段1/// </summary>publicdoubleExtendNum1{get{return_extendNum1;}set{if(_extendNum1!=value){_extendNum1=value;OnPropertyChanged();}}}}