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Represents the event data for the RangeGroupStateChanging event for an outline (range group) of rows and columns in the Spread component.
public class RangeGroupStateChangingEventArgs : CancelEventArgsPublic Class RangeGroupStateChangingEventArgs
    Inherits CancelEventArgs| Name | Description | 
|---|---|
| RangeGroupStateChangingEventArgs(SpreadView, RangeGroupInfo, bool) | Creates a new set of event arguments for the change of state of the outline (range group). | 
| Name | Description | 
|---|---|
| IsRowGroup | Gets whether the outline (range group) is a group of rows. | 
| RangeGroupInfo | Gets the infomation about the outline (range group) whose state was changed. | 
| View | Gets the view that contains the outline (range group) whose state is changing. |