| BCGCBPRODLLEXPORT UINT BCGM_ON_CLICK_TREEMAP_NODE |
The message is sent to the owner of tree map control when the user clicks tree map node.
| wParam | contains a tree map id. |
| lParam | a pointer to the clicked node (CBCGPBaseTreeMapNode - can be either CBCGPTreeMapNode or CBCGPTreeMapGroup). |