The LVectorGroup class is used in conjunction with the main vector class LVectorBase, the vector layer class LVectorLayer, and the vector object class LVectorObject. This class contains the functionality for dealing with vector groups. This class contains functions for the following:
When calling some functions of the LVectorGroup class, the associated vector data is changed. To be notified of these changes, you can override the LVectorBase::StartChanging and LVectorBase::EndChanging functions. For more information, refer to Bitmap and Vector Change Notifications and Notification Categories.
If you derive a class from LVectorBase, the macros defined in Wrapper Macros may be helpful.
You must load all required libraries using LBase::LoadLibraries before using the classes.
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