Global Mapper SDK

GM_GetAreaFeature

Returns the area feature at the given index in the layer. Returns NULL if the layer does not contain an area at the given index or if a registration key was not found and aAreaIndex was greater than GM_MAX_NON_REGISTERED_VECTOR_IDX.

Any features returned from this function must be freed using a call to GM_FreeAreaFeature when you are done accessing the the feature.

Syntax

C++

Copy

GM_AreaFeature_t* GM_GetAreaFeature
(
GM_LayerHandle_t32  aLayer,                 // Layer to get area from
uint32              aAreaIndex              // Index of area feature to retrieve
)