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Occurs before the user changes the state of row or column outlines (range group).
public event RangeGroupStateChangingEventHandler RangeGroupStateChanging
Public Event RangeGroupStateChanging As RangeGroupStateChangingEventHandler
| Type | Description |
|---|---|
| RangeGroupStateChangingEventHandler | Occurs before the user changes the state of row or column outlines (range group). |