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I have code that creates either a UniqueValueRenderer or a ClassBreaksRenderer and applies it. I also have code that uses AnnotateLayerProperties to set labels.

When I create a renderer and then an annotation or an annotation and then a renderer the map goes haywire - sometimes one displays and the other one is missing and rarely (without pattern) both display.

Must I use the OnDraw event (and save the annotation instructions) to ensure that annotations are reproduced? What can I do about the renderer? Can I save that and restore it in the OnDraw? In what order should these be drawn?

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  • A code example may help here. I also suspect you're also talking about labels and not annotation although the API intermixes terminology.
    – Craig Williams
    Commented Nov 2, 2011 at 5:24
  • Every time I look up Label it sends me to something talking about IAnnotateLayerProperties! (I quit caring what the difference was and just wrote code until what I wanted showed up.) :-> As for code: I'd have to post about 8 source files before you could even follow it.
    – Chaz
    Commented Nov 2, 2011 at 15:00
  • The simple answer (if there is one) is that I started caching the renderer. After I run the code to update the annotations (or labels or whatever they are called) I then reassign the active renderer back to the feature class and do a refresh. This (mostly) works.
    – Chaz
    Commented Nov 2, 2011 at 15:02

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