BCGCBPRODLLEXPORT UINT BCGM_ON_CHART_MOUSE_UP

The framework sends the BCGM_ON_CHART_MOUSE_UP message when the chart visual object receives a mouse up down notification.

Parameters

wParam	ID of chart visual object.
lParam	a pointer to a BCGPChartHitInfo structure.

Returns

TRUE - disable further mouse up processing. In this case zoom /pan/selection will not occur (if enabled).

You should process this message to implement interactive charts.