ChartViewer.ViewPortChanged

ChartDirector 7.0 (ASP/COM/VB Edition)

Declaration

ViewPortChanged(needUpdateChart As Boolean, needUpdateImageMap As Boolean)

Description

This event occurs when the viewport is changed using mouse actions (see ChartViewer.MouseUsage), or when ChartViewer.updateViewPort is called.

Parameters

Parameter	Description
needUpdateChart	A boolean value to indicate if the chart needs to be updated.
needUpdateImageMap	A boolean value to indicate if the image map needs to be updated.