ObservesOnValueChanged <TParameter1, TParameter2, TResult>(
[NotNull] TParameter1 parameter1,
[NotNull] TParameter2 parameter2,
[NotNull] Expression <Func <TParameter1, TParameter2, TResult> > propertyExpression,
bool isAutoActivate)
where TParameter1 : INotifyPropertyChanged
where TParameter2 : INotifyPropertyChanged
where TResult : class
{
var observer =
new PropertyReferenceObserverOnValueChanged <TParameter1, TParameter2, TResult>(
parameter1,
parameter2,
propertyExpression, PropertyObserverFlag.None);
if (isAutoActivate)
{
observer.Activate(true);
}
return(observer);
}
CreatePropertyReferenceObserverBuilderWithValueChanged()
{
IPropertyReferenceObserverOnValueChanged <TResult> observer;
if (this.IsDispached)
{
observer = new PropertyReferenceObserverOnValueChanged <TParameter1, TParameter2, TResult>(
this.parameter1,
this.parameter2,
this.propertyExpression,
SynchronizationContext.Current,
this.PropertyObserverFlag);
}
else if (this.TaskScheduler != null)
{
observer = new PropertyReferenceObserverOnValueChanged <TParameter1, TParameter2, TResult>(
this.parameter1,
this.parameter2,
this.propertyExpression,
this.TaskScheduler,
this.PropertyObserverFlag);
}
else
{
observer = new PropertyReferenceObserverOnValueChanged <TParameter1, TParameter2, TResult>(
this.parameter1,
this.parameter2,
this.propertyExpression,
this.PropertyObserverFlag);
}
if (this.IsAutoActivate)
{
observer.Activate(this.IsSilentActivate);
}
return(observer);
}
