void RegisterEventHandler(object component, string eventName, string eventHandlerName)
{
EventDescriptor eventDescriptor = TypeDescriptor.GetEvents(component).Find(eventName, false);
PropertyDescriptor propertyDescriptor = componentCreator.GetEventProperty(eventDescriptor);
propertyDescriptor.SetValue(component, eventHandlerName);
}
/// <summary>
/// Walks a statement of the form:
///
/// self.a += self.b
/// </summary>
public override bool Walk(AugmentedAssignStatement node)
{
if (!FoundInitializeComponentMethod)
{
return(false);
}
MemberExpression eventExpression = node.Left as MemberExpression;
string eventName = eventExpression.Name.ToString();
PythonControlFieldExpression field = PythonControlFieldExpression.Create(eventExpression);
MemberExpression eventHandlerExpression = node.Right as MemberExpression;
string eventHandlerName = eventHandlerExpression.Name.ToString();
IComponent currentComponent = fieldExpression.GetObject(componentCreator) as IComponent;
EventDescriptor eventDescriptor = TypeDescriptor.GetEvents(currentComponent).Find(eventName, false);
PropertyDescriptor propertyDescriptor = componentCreator.GetEventProperty(eventDescriptor);
propertyDescriptor.SetValue(currentComponent, eventHandlerName);
return(false);
}