">属性名称 public void RaisePropertyChanged(string propertyName) { if...)); } } protected virtual void SetAndNotifyIfChangedT>(string propertyName..., ref T oldValue, T newValue) { if (oldValue == null && newValue == null) return;...= null && oldValue.Equals(newValue)) return; if (newValue !...= null && newValue.Equals(oldValue)) return; oldValue = newValue; RaisePropertyChanged
(string propertyName) { // take a copy to prevent thread issues PropertyChangedEventHandler...public class BindablePropertyT> { public delegate void ValueChangedHandler(T oldValue, T newValue...oldValue, T newValue) { if (OnValueChanged !...= null) { OnValueChanged(oldValue, newValue); } } public override...oldvalue, string newvalue) { nameMessageText.text = newvalue.ToString(); } } 由于子类 Override
PropertyChangelog(string propertyName, string oldValue, string newValue) { PropertyName...= propertyName; OldValue = oldValue; NewValue = newValue; } /// ..., string oldValue, string newValue, DateTime changedTime) : this(propertyName, oldValue, newValue...string OldValue { get; set; } /// /// 新值 /// public string NewValue...T oldObj, T newObj, string propertyName = null) { IListT>> changelogs = new List
); } public ObservableListT> RefListT>(IListT> initialValue, string propertyName) {...public void NotifyPropertyChange(string propertyName, object oldValue, object newValue) { if...(); NotifyChange(oldItems, new ListT>()); } private void NotifyChange(T oldValue, T newValue...) { _observable.NotifyPropertyChange(_propertyName, oldValue, newValue); } private void...如果是要关注每一项值的变化注册的被观察对象那么虽然使用的都是watch但是oldValue和newValue给的值并不是所有的值都给,而是哪一个值发生了改变哪一个值就会被单独拎出来通过oldValue和
T convertIfNecessary(@Nullable String propertyName, @Nullable Object oldValue, Object newValue, @...oldValue, @Nullable Object newValue, @Nullable ClassT> requiredType, @Nullable TypeDescriptor typeDescriptor...(@Nullable String propertyName, @Nullable Object oldValue, @Nullable Object newValue, @Nullable Class...convertForProperty( String propertyName, @Nullable Object oldValue, @Nullable Object newValue, TypeDescriptor...td) throws TypeMismatchException { return convertIfNecessary(propertyName, oldValue, newValue,
PropertyName, int OldValue, int NewValue) 40 { 41 _PropertyName = PropertyName...; 42 _OldValue = OldValue; 43 _NewValue = NewValue; 44 } 45 46...//存储数据 47 private string _PropertyName; 48 private int _OldValue; 49 private...int _NewValue; 50 private bool _Cancel; 51 52 //获取或设置属性 53 public string...{ 72 return _OldValue; 73 } 74 } 75 public int NewValue
public class BindablePropertyT> { public delegate void ValueChangedHandler(T oldValue, T newValue...oldValue, T newValue) { if (OnValueChanged !...= null) { OnValueChanged(oldValue, newValue); } } } 那问题来了,View在何时并以怎样的方式去监听这些属性的变化呢...>("Color",OnColorPropertyValueChanged); } private void OnColorPropertyValueChanged(string oldValue,...string newValue) { switch (newValue) { case "Red": buttonImage.color = Color.red
: TypeConverterDelegate的convertIfNecessary public T convertIfNecessary(@Nullable String propertyName..., @Nullable Object oldValue, @Nullable Object newValue, @Nullable Class requiredType, @Nullable TypeDescriptor...(sourceTypeDesc, typeDescriptor)) { try { return (T) conversionService.convert(newValue, sourceTypeDesc...return (T) convertedValue.toString(); } else if (convertedValue instanceof String && !...(sourceTypeDesc, typeDescriptor)) { return (T) conversionService.convert(newValue, sourceTypeDesc
T>(ExpressionT>> propertyExpresssion) 74 75 { 76 77 var propertyName...(propertyName); 80 81 } 82 83 84 85 protected void RaisePropertyChanged(String...Conditional("DEBUG")] 98 99 [DebuggerStepThrough] 100 101 public void VerifyPropertyName(String...NameViewModel { UserName = "黄昏前黎明后", CompanyName = "中软易通科技" }); 102 103 } 104 105 106 107 bool...122 123 124 125 name.CompanyName= "无"; 126 127 } 128 129 130 131 bool
(String propertyName) throws BeansException; @Nullable Object getPropertyValue(String propertyName)...propertyName, @Nullable Object oldValue, @Nullable Object newValue..., oldValue, newValue, requiredType, td); } ...... } } 父类作用分析 对于接口,我们已经分析过了,这里就不再赘述了...propertyName) throws BeansException; @Override public abstract void setPropertyValue(String propertyName...T convertIfNecessary(@Nullable String propertyName, @Nullable Object oldValue, @Nullable Object newValue
isWritableProperty(String propertyName); // 获取/设置属性的方法,基本见名知意 @Nullable ClassString propertyName) throws BeansException; @Nullable Object getPropertyValue(String propertyName...propertyName, @Nullable Object oldValue, @Nullable Object newValue..., oldValue, newValue, requiredType, td); } ...... } } 父类作用分析 对于接口,我们已经分析过了,这里就不再赘述了,...T convertIfNecessary(@Nullable String propertyName, @Nullable Object oldValue, @Nullable Object newValue
bean的名称 @Param requiredType 需要的类型 @Param typeDescriptor 类型描述器 */ public T> T convertIfNecessary(String...propertyName, Object oldValue, Object newValue,ClassT> requiredType, TypeDescriptor typeDescriptor)...//使用属性编辑器去把oldValue转化成requiredType convertedValue = doConvertValue(oldValue, convertedValue, requiredType...*/ private Object doConvertValue(Object oldValue, Object newValue, Class requiredType, PropertyEditor editor) { Object convertedValue = newValue; if (editor !
findByProperty(final String propertyName, final Object value) { Assert.hasText(propertyName, "..., "propertyName不能为空"); Criterion criterion = Restrictions.like(propertyName, (String) value,...propertyName, final Object newValue, final Object oldValue) {...if (newValue == null || newValue.equals(oldValue)) { return true;...} Object object = findUniqueByProperty(propertyName, newValue); return
event PropertyChangedEventHandler PropertyChanged; protected virtual void OnPropertyChangedT>...(ExpressionT>> expression) { if (PropertyChanged !...Member.Name); PropertyChanged(this, e); } } public virtual void RaisePropertyChanged...(string propertyName) { PropertyChangedEventHandler propertyChanged = PropertyChanged...propertyName) { this.RaisePropertyChanged(propertyName); } } 后台数据:
FindOldAndSetNew(const K& key, V& oldValue, const V& newValue) { bool ret = false;...= 0; int newvalue = 3; ASSERT_TRUE(demoData.FindOldAndSetNew("A", oldvalue, newvalue));...// old value ASSERT_EQ(oldvalue, 1); newvalue = 4; ASSERT_TRUE(demoData.FindOldAndSetNew...("B", oldvalue, newvalue)); // old value ASSERT_EQ(oldvalue, 2); int i = -1; ASSERT_TRUE..., int>& data, const string& key, const int& newvalue, std::chrono::system_clock::time_point
在TypeConverterDelegate的convertIfNecessary方法中被调用: public T> T convertIfNecessary(@Nullable String propertyName..., @Nullable Object oldValue, @Nullable Object newValue, @Nullable ClassT> requiredType, @Nullable..., @Nullable Object oldValue, @Nullable Object newValue, TypeDescriptor td) throws TypeMismatchException...{ return convertIfNecessary(propertyName, oldValue, newValue, td.getType(), td); } 当然,这里我最终convertIfNecessary...propertyName, @Nullable Object oldValue, @Nullable Object newValue, @Nullable Class<?
假设要实现一个从字符串转换成目标类型的函数GetValue: private T GetValueT>(string source) { var type = typeof(T); T...使用Convert.ChangeType可以将代码重构如下: private T GetValueT>(string source) { return (T)Convert.ChangeType...= (Decimal)args.OldValue; Decimal newValue = (Decimal)args.NewValue; if (oldValue !...= newValue) target.OnAmountChanged(oldValue, newValue); } protected virtual void...OnAmountChanged(Decimal oldValue, Decimal newValue) { Content = "Amount is " + newValue;
bool>> whereLambda, params string[] modifiedPropertyNames) /// /// 3.2 批量修改...model, ExpressionT, bool>> whereLambda, params string[] modifiedPropertyNames) {...//3.2.4 创建实体属性字典集合 Dictionarystring, PropertyInfo> dicPropertys = new Dictionarystring,...object newValue = proInfo.GetValue(model, null); //批量设置要修改对象的属性.../为要修改的对象的要修改的属性设置新的值 proInfo.SetValue(item, newValue, null);