BCGControlBar Pro for MFC
const UINT BCGM_GANTT_CONTROL_READ_ITEM_DATA_FROM_GRID

This message is sent when the chart item data must be synchronized with grid.

Parameters
wParamThis parameter is not used.
lParampointer to BCGP_GANTT_CONTROL_ROW struct
Returns
TRUE if message has been handled

Fill the grid cells in message handler.