SRGDataWatcher::DrawExtra

voidSRGDataWatcher::DrawExtra(void)

This allows a display to request that a data watcher draws itself in the display area.
Normally data watchers placed before a display cannot know where the display rectangle will be and so cannot draw thier limit lines in scale with the chart. The chart however can request that data watchers draw themselves after the display draw cycle has taken place.

Defined in: SRGDataWatcher.cpp