ObservableValue<T>

Combination of IObservable<T> and a value just like LiveData<T> in Android. You may use it with ReactiveCommand provided by ReactiveUI.

ObservableValue<bool> canOpenFile = new ObservableValue<bool>(); // This is a field.
...
// Create an ICommand and bind ICommand.CanExecute() with 'canOpenFile'.
this.OpenFileCommand = ReactiveCommand.Create(this.OpenFile, this.canOpenFile);
...
// This is the actual action of command 'OpenFileCommand'.
void OpenFile()
{
    ...
}

MutableObservableValue<T>

ObservableValue<T> is an abstract class, so we provide MutableObservableValue<T> to let you easy to update value of ObservableValue<T> in your code. You can still create your own class extends from ObservableValue<T> and update value by itself. Further more, we also provide some classes extends from MutableObservableValue<T> specialized for some type of values:

• MutableObservableBoolean
• MutableObservableInt32
• MutableObservableInt64
• MutableObservableString

MutableObservableBoolean canOpenFile = new MutableObservableBoolean(); // This is a field.
...
// Create an ICommand and bind ICommand.CanExecute() with 'canOpenFile'.
this.OpenFileCommand = ReactiveCommand.Create(this.OpenFile, this.canOpenFile);
...
// This is the actual action of command 'OpenFileCommand'.
void OpenFile()
{
    if(this.canOpenFile)
        ...
}
...
// set 'canOpenFile' to true when matching some conditions.
this.canOpenFile.Update(true);