Re: One delegate's method doesn't work

FROM : mmalcolm crawford
DATE : Sat Dec 25 12:09:31 2004

On Dec 23, 2004, at 4:52 PM, Lorenzo wrote:

> I have a removable marker in my NSRulerView.
> I remove the marker with the mouse, the marker disappears properly.
> Good.
> The method "didRemoveMarker" is automatically invoked by the delegate.
> Good.
> The method "shouldRemoveMarker" is never invoked. Never. WRONG!
>
> I don't understand how the method didRemoveMarker works, the method
> willMoveMarker works too, and the method shouldRemoveMarker doesn't.
> What
> did I forget? Is a Cocoa bug?
>

There seems to be something peculiar happening.  Experimentation
suggests that your delegate is required to implement:

- (void)rulerView:(NSRulerView *)aRulerView
willRemoveMarker:(NSRulerMarker *)aMarker

mmalc