ObservableObjectBase Class
A simple object that implements the INotifyPropertyChanging and INotifyPropertyChanged interfaces.
public abstract class ObservableObjectBase
- Inheritance:
- object object
- Derived:
- AnimationSettings BarGalleryItemViewModel<TValue> BarHeadingViewModel BarKeyedObjectViewModelBase BarSeparatorViewModel RibbonApplicationButtonViewModel RibbonBackstageHeaderSeparatorViewModel RibbonBackstageViewModel RibbonControlGroupViewModel RibbonFooterInfoBarContentViewModel RibbonFooterSimpleContentViewModel RibbonFooterViewModel RibbonMultiRowControlGroupViewModel RibbonQuickAccessToolBarViewModel RibbonTabRowToolBarViewModel RibbonViewModel StandaloneToolBarViewModel ColorPaletteFactoryBase ThemeDefinition LayoutSettings
Constructors
ObservableObjectBase()
Initializes an instance of the class.
protected ObservableObjectBase()
Methods
OnPropertyChanged(PropertyChangedEventArgs)
Raises the PropertyChanged event.
protected virtual void OnPropertyChanged(PropertyChangedEventArgs e)
Parameter | Type | Description |
---|---|---|
e | PropertyChangedEventArgs | The PropertyChangedEventArgs that contains the event data. |
OnPropertyChanged(string?)
Raises the PropertyChanged event.
protected void OnPropertyChanged(string? propertyName = null)
Parameter | Type | Description |
---|---|---|
propertyName | string | (Optional) The name of the property that changed. |
OnPropertyChanging(PropertyChangingEventArgs)
Raises the PropertyChanging event.
protected virtual void OnPropertyChanging(PropertyChangingEventArgs e)
Parameter | Type | Description |
---|---|---|
e | PropertyChangingEventArgs | The PropertyChangingEventArgs that contains the event data. |
OnPropertyChanging(string?)
Raises the PropertyChanging event.
protected void OnPropertyChanging(string? propertyName = null)
Parameter | Type | Description |
---|---|---|
propertyName | string | (Optional) The name of the property that changed. |
SetProperty<T>(ref T, T, string?)
Called from a property setter to change the backing field's value and raise PropertyChanging and PropertyChanged notification events if the new value is not equal to the current value.
protected bool SetProperty<T>(ref T field, T newValue, string? propertyName = null)
- Type Parameters:
-
T
-The type of the property that changed.
Parameter | Type | Description |
---|---|---|
field | T | The backing field that holds the property's value, which may be updated. |
newValue | T | The new property value. |
propertyName | string | (Optional) The name of the property that changed. |
Returns
- bool:
true
if the property was changed; otherwise,false
.
Events
PropertyChanged
Occurs when a property value changes.
PropertyChanging
Occurs when a property value is changing.
Inherited Members
- object.GetType()
- object.MemberwiseClone()
- object.ToString()
- object.Equals(object)
- object.Equals(object, object)
- object.ReferenceEquals(object, object)
- object.GetHashCode()