Returned By ILayer3 OnDraw()

Used to get an IGraphicsContext to draw into and the which maps from a [Location to a (screen) Surface and vice/versa.

IActiveMapProj Interface Reference

import "MapRenderingEngine.idl";

Detailed Description

A map in the process of being drawn with its associated map, graphic context, and callback. This interface is implemented in MapRenderingEngine.dll and passed to the maps and overlays when rendering themselves. TBD

Library: MAPENGINELib

Public Member Functions

• HRESULT GetGraphicsContext ([out] IGraphicsContext **graphics_context)

• HRESULT GetMapEngineCallback ([out] IMapRenderingEngineCallback **map_engine_callback)

• HRESULT GetSettableMapProj ([out] ISettableMapProj **settable_map_proj)

-- Main.TWikiGuest - 18 Feb 2005