GM_FindNearestFeatures |
Searches the provided list of layers for any visible vector features within the provided search distance (aMaxDistPixels) of the pixel search location (aPixelSearchPt). The aFindFlags parameter specifies what types of features to search on.
SyntaxGM_Error_t32 __stdcall GM_FindNearestFeatures ( const GM_Point_t* aPixelSearchPt, // IN: Search location in pixel coordinates GM_LayerHandle_t32* aLayerList, // IN: List of layers to search or NULL for all vector layers uint32 aLayerCount, // IN: Number of layers in list (0 for all) GM_FindFlags_t32 aFindFlags, // IN: Flags controlling how the find is performed const GM_Rectangle_t* aWorldBounds, // IN: World bounds for search space or NULL for last drawn const GM_PixelRect_t* aPixelRect, // IN: Pixel bounds for search space or NULL for last drawn GM_FoundFeature_t* aNearestFeatures, // OUT: List of nearest features uint32 aMaxFeatures, // IN: Max number of nearest features to find uint32* aFoundFeatureCnt, // OUT: Number of nearest features returned in list uint32 aMaxDistPixels // IN: Max distance in pixels to search );