globalmapper.SetLayerUserData

globalmapper.SetLayerUserData(GM_LayerHandle_t32 aLayer, int aUserData) → GM_Error_t32

Sets the user data to associate with the layer. This value can be retrieved by calling GetLayerInfo. This is useful if you want to tie some structure or value to a particular layer without maintaining your own separate layer to value mapping.

Parameters

• aLayer (GM_LayerHandle_t32) – layer to set user data for

• aUserData (int) – User data pointer/value to associate with layer

Returns

Error Code

Return type

GM_Error_t32