The GH_Canvas type exposes the following members.
Raised after the background has been drawn.
Raised before a new paint operation starts. This event is always raised, even if the Canvas isn't visible.
Raised after a paint operation completes. This event is always raised, even if the Canvas isn't visible.
Raised after group drawing completes.
Raised after object drawing completes.
Raised after object overlay drawing completes.
Raised after widgets are drawn. This is the final event in the Drawing pipeline.
Raised after wire drawing completes.
Raised before group drawing starts.
Raised before object drawing starts.
Raised before object overlay drawing starts.
Raised before Widgets are drawn.
Raised before wire drawing starts.
This event is raised whenever a different document is loaded into this canvas.
This event is raised whenever the left mouse button is pressed while over a Document object.
This event is raised whenever the ModifiersEnabled property changes.
Raised whenever any of the shared navigation properties changed.
This event is raised whenever the viewport properties are modified, for example when the pan or zoom values are affected.
This event is raised once for every GH_Canvas object that is created anew. The event is Shared (static) because it is raised inside the constructor of a GH_Canvas object and therefor cannot be registered on an instance.