ViewModelBase

CreateCommand

protected DelegateCommand CreateCommand(Action execute, Func<object, bool> canExecute)

result = viewModelBase.CreateCommand(execute, canExecute)

Creates and registers a command without parameter.

execute

The execution logic.

canExecute

The execution status logic.

Rückgabe: The created command.

CreateCommand``1

protected DelegateCommand<T> CreateCommand<T>(Action<T> execute, Func<T, bool> canExecute)

result = viewModelBase.CreateCommand(execute, canExecute)

Creates and registers a command with parameter.

execute

The execution logic.

canExecute

The execution status logic.

Rückgabe: The created command.

DisposeManaged

protected override void DisposeManaged()

viewModelBase.DisposeManaged()

Disposes the managed resources. Override this method to add custom clean up of managed resources.

GetValue``1

protected T GetValue<T>(string name)

result = viewModelBase.GetValue(name)

Gets property value from internal storage.

name

Property name (auto-filled by compiler).

Rückgabe: Property value or default if not set.

OnPropertyChanged

protected virtual void OnPropertyChanged(string name)

viewModelBase.OnPropertyChanged(name)

Raises the PropertyChanged event.

name

Property name.

OnPropertyChanged``1

protected void OnPropertyChanged<T>(Expression<Func<T>> selectorExpression)

viewModelBase.OnPropertyChanged(selectorExpression)

Raises the PropertyChanged event using expression.

selectorExpression

Property selector expression.

PropertyName``1

public static string PropertyName<T>(Expression<Func<T>> property)

result = ViewModelBase.PropertyName(property)

Gets property name from expression.

property

Property expression.

Rückgabe: Property name.

RegisterCommand``1

protected TCommand RegisterCommand<TCommand>(TCommand command)

result = viewModelBase.RegisterCommand(command)

Registers a command to be disposed when this ViewModel is disposed.

command

The command to register.

Rückgabe: The registered command for method chaining.

SetField``1

protected bool SetField<T>(T field, T value, Expression<Func<T>> selectorExpression)

result = viewModelBase.SetField(field, value, selectorExpression)

Sets field value and raises PropertyChanged if value changed.

field

Field reference.

value

New value.

selectorExpression

Property selector expression.

Rückgabe: True if value was changed.

SetField``1

protected virtual bool SetField<T>(T field, T value, string name)

result = viewModelBase.SetField(field, value, name)

Sets field value and raises PropertyChanged if value changed.

field

Field reference.

value

New value.

name

Property name.

Rückgabe: True if value was changed.

SetValue``1

protected bool SetValue<T>(T value, string name)

result = viewModelBase.SetValue(value, name)

Sets property value and raises PropertyChanged if value changed.

value

New value.

name

Property name (auto-filled by compiler).

Rückgabe: True if value was changed.

PropertyChanged

public event PropertyChangedEventHandler PropertyChanged

viewModelBase.PropertyChanged += handler

PropertyChanged.