GM_SetLayerHeightUnits |
Sets the height units to use for 3D vector features without a height unit in the height attribute.
SyntaxGM_DLL_EXPORTED GM_Error_t32 __stdcall GM_SetLayerHeightUnits ( GM_LayerHandle_t32 aLayer, // Layer to modify GM_ElevUnits_t8 aHeightUnits // Height units to interpret values as )