PropertyChangedEventArgsExtensions
| Name | Value |
|---|---|
| Assembly | Catel.Core |
| Namespace | System.ComponentModel |
| Available on | .NET Framework 4.5, .NET Framework 4.6, Portable Class Libraries, Xamarin - Android, Xamarin - iOS |
public static class PropertyChangedEventArgsExtensions
Extensions for the class.
Methods
AllPropertiesChanged(PropertyChangedEventArgs e)
Returns whether the specified instance of the represents that all properties of an object have changed. This is the case when the isnull or empty.
Parameters
| Name | Description |
|---|---|
| e | The instance containing the event data. |
Returns
true if the isnull or empty,false otherwise.
Exceptions
| Name | Description |
|---|---|
| ArgumentNullException | The e isnull. |
HasPropertyChanged(PropertyChangedEventArgs e, string propertyName)
Determines whether the specified instance of the represents a change notification for the property specified by the property name.
Parameters
| Name | Description |
|---|---|
| e | The instance containing the event data. |
| propertyName | Name of the property. |
Returns
true if equals the property from the property expression; otherwise,false.
Exceptions
| Name | Description |
|---|---|
| ArgumentNullException | The e isnull. |
| ArgumentException | The propertyName isnull or whitespace. |
HasPropertyChanged<TModel, TValue>(PropertyChangedEventArgs e, Expression<Func<TModel, TValue>> propertyExpression, bool allowNested)
Determines whether the specified instance of the represents a change notification for the property specified by the property expression.
Type Parameters
TModel The type of the model.
TValue The type of the value.
Parameters
| Name | Description |
|---|---|
| e | The instance containing the event data. |
| propertyExpression | The property expression. |
| allowNested | if set totrue, nested properties are allowed. |
Returns
true if equals the property from the property expression; otherwise,false.
Exceptions
| Name | Description |
|---|---|
| ArgumentNullException | The e isnull. |
HasPropertyChanged<TValue>(PropertyChangedEventArgs e, Expression<Func<TValue>> propertyExpression, bool allowNested)
Determines whether the specified instance of the represents a change notification for the property specified by the property expression.
Type Parameters
TValue The type of the value.
Parameters
| Name | Description |
|---|---|
| e | The instance containing the event data. |
| propertyExpression | The property expression. |
| allowNested | if set totrue, nested properties are allowed. |
Returns
true if equals the property from the property expression; otherwise,false.
Exceptions
| Name | Description |
|---|---|
| ArgumentNullException | The e isnull. |
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