IMapControl3 和IMapControl2 的区别

IMapControl3 与IMapControl2

IMapControl2：

Provides access to members that control the MapControl.

Description

The IMapControl2 interface is a starting point for any tasks related to the MapControl, such as setting general appearance, setting map and display properties, adding and managing data layers and map documents, and drawing and tracking shapes.
 

IMapControl3 Interface：

Provides access to members that control the MapControl.

Product Availability

Available with ArcGIS Engine.

Description

The IMapControl3 interface provides additional members for tasks related to the MapControl, such as setting a custom property and suppressing data redraw whilst the MapControl is being resized.