ChartDirector Ver 5.0 (C++ Edition)
CChartViewer.needUpdateImageMap
Usage
bool needUpdateImageMap();
Description
Determines if the current CVN_ViewPortChanged message requires image map update.
The message handler for a CVN_ViewPortChanged message can use this method to determine if image map update is necessary.
This method is only valid during handling of the CVN_ViewPortChanged message. Its behaviour is undefined at other times.
Arguments
None
Return Value
A boolean value that indicates if the CVN_ViewPortChanged message requires image map update.
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