//modified to traverse through a contextmenu's PlacementTarget value
public static void SetMethodBinding(ActionExecutionContext context)
{
DependencyObject currentElement = context.Source;
while (currentElement != null)
{
if (Caliburn.Micro.Action.HasTargetSet(currentElement))
{
var target = Message.GetHandler(currentElement);
if (target != null)
{
var method = ActionMessage.GetTargetMethod(context.Message, target);
if (method != null)
{
context.Method = method;
context.Target = target;
context.View = currentElement;
return;
}
}
else
{
context.View = currentElement;
return;
}
}
if (currentElement is ContextMenu)
{
currentElement = ((ContextMenu)currentElement).PlacementTarget ?? VisualTreeHelper.GetParent(currentElement);
}
else
{
currentElement = VisualTreeHelper.GetParent(currentElement);
}
}
if (context.Source.DataContext != null)
{
var target = context.Source.DataContext;
var method = ActionMessage.GetTargetMethod(context.Message, target);
if (method != null)
{
context.Target = target;
context.Method = method;
context.View = context.Source;
}
else
{
if (target.GetType().GetMethods().Any(m => m.Name == context.Message.MethodName))
{
throw new Exception($"Non of the methods found for binding {context.Message.MethodName} match paramter count");
}
}
}
}