IViewModel Interface

Encapsulates implementations of INotifyPropertyChanged and INotifyDataErrorInfo and adds PropertyValueChanged event which is raised in tandem with PropertyChanged except it provides addition data like old value and new value.

Namespace: BionicCode.Utilities.Net.Standard.ViewModel
Assembly: BionicCode.Utilities.Net.Standard (in BionicCode.Utilities.Net.Standard.dll) Version: 1.0.4

Syntax

public interface IViewModel : INotifyPropertyChanged, 
	INotifyDataErrorInfo

Public Interface IViewModel
	Inherits INotifyPropertyChanged, INotifyDataErrorInfo

Dim instance As IViewModel

public interface class IViewModel : INotifyPropertyChanged, 
	INotifyDataErrorInfo

type IViewModel =  
    interface
        interface INotifyPropertyChanged
        interface INotifyDataErrorInfo
    end

public interface IViewModel extends INotifyPropertyChanged, 
	INotifyDataErrorInfo

public interface IViewModel extends INotifyPropertyChanged, INotifyDataErrorInfo

BionicCode.Utilities.Net.Standard.ViewModel.IViewModel = function();
BionicCode.Utilities.Net.Standard.ViewModel.IViewModel.createInterface('BionicCode.Utilities.Net.Standard.ViewModel.IViewModel');

 INTERFACE IViewModel IMPLEMENTS INotifyPropertyChanged, 
	INotifyDataErrorInfo

The IViewModel type exposes the following members.

Properties

	Name	Description
	HasErrors	Gets a value that indicates whether the entity has validation errors. (Inherited from INotifyDataErrorInfo.)

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Methods

	Name	Description
	GetErrors	Gets the validation errors for a specified property or for the entire entity. (Inherited from INotifyDataErrorInfo.)
	GetPropertyErrors	Gets all error messages of the specified property. If the propertyName is null all error messages will be returned.
	PropertyHasError	Checks whether the specified property has errors or is valid.

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Events

	Name	Description
	ErrorsChanged	Occurs when the validation errors have changed for a property or for the entire entity. (Inherited from INotifyDataErrorInfo.)
	PropertyChanged	Occurs when a property value changes. (Inherited from INotifyPropertyChanged.)
	PropertyValueChanged	PropertyChanged implementation that sends old value and new value of the change and raises the INotifyPropertyChanged event.

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Reference

BionicCode.Utilities.Net.Standard.ViewModel Namespace