Informs the client that aRulerView will move aMarker, an NSRulerMarker already on the ruler view.
Original signature is '- (CGFloat)rulerView:(NSRulerView *)aRulerView willMoveMarker:(NSRulerMarker *)aMarker toLocation:(CGFloat)location'
Available in Mac OS X v10.0 and later.

C# | Visual Basic | Visual C++ |
public delegate CGFloat RulerViewWillMoveMarkerToLocationEventHandler( NSRulerView aRulerView, NSRulerMarker aMarker, CGFloat location )
Public Delegate Function RulerViewWillMoveMarkerToLocationEventHandler ( _ aRulerView As NSRulerView, _ aMarker As NSRulerMarker, _ location As CGFloat _ ) As CGFloat
public delegate CGFloat RulerViewWillMoveMarkerToLocationEventHandler( NSRulerView^ aRulerView, NSRulerMarker^ aMarker, CGFloat location )



- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)