Global Mapper SDK
GM_GetOnlineLayerLocationMetadata
Queries an online layer for location-specific metadata (as a file). Mostly for WMS / WMTS where supported.
Syntax
C++
Copy
GM_Error_t32 __stdcall GM_GetOnlineLayerLocationMetadata
(
GM_LayerHandle_t32 aLayer, // IN: Loaded online layer handle to query (or NULL to get top-most)
double aXCoord, // IN: X coord in current projection
double aYCoord, // IN: Y coord in current projection
char* aOutFilename, // OUT: This will store the full path and filename to the downloaded file. Buffer must be at least _MAX_PATH
void* aReserved // IN: Reserved for future use
);