public override object GetValue(object component)
{
WorkflowDataContext dataContext = (WorkflowDataContext)component;
ActivityContext activityContext = dataContext.ResolutionContext;
try
{
return(this.reference.GetLocation(activityContext).Value);
}
finally
{
activityContext.Dispose();
}
}
public override void SetValue(object component, object value)
{
if (IsReadOnly)
{
throw FxTrace.Exception.AsError(new NotSupportedException(SR.PropertyReadOnlyInWorkflowDataContext(this.Name)));
}
WorkflowDataContext dataContext = (WorkflowDataContext)component;
ActivityContext activityContext = dataContext.ResolutionContext;
try
{
Location location = this.reference.GetLocation(activityContext);
location.Value = value;
}
finally
{
activityContext.Dispose();
}
}
private void AddNotifyHandler(PropertyDescriptorImpl property)
{
ActivityContext activityContext = this.ResolutionContext;
try
{
Location location = property.LocationReference.GetLocation(activityContext);
if (location is INotifyPropertyChanged notify)
{
notify.PropertyChanged += PropertyChangedEventHandler;
if (this.locationMapping == null)
{
this.locationMapping = new Dictionary <Location, PropertyDescriptorImpl>();
}
this.locationMapping.Add(location, property);
}
}
finally
{
activityContext.Dispose();
}
}
