| GrapeCity.Xaml.SpreadSheet.UI Namespace > SpreadView Class : RowViewportHeightChanging Event | 
'Declaration Public Event RowViewportHeightChanging As EventHandler(Of RowViewportHeightChangingEventArgs)
'Usage Dim instance As SpreadView Dim handler As EventHandler(Of RowViewportHeightChangingEventArgs) AddHandler instance.RowViewportHeightChanging, handler
public event EventHandler<RowViewportHeightChangingEventArgs> RowViewportHeightChanging
The event handler receives an argument of type RowViewportHeightChangingEventArgs containing data related to this event. The following RowViewportHeightChangingEventArgs properties provide information specific to this event.
| Property | Description | 
|---|---|
| Cancel | (Inherited from System.ComponentModel.CancelEventArgs) | 
| DeltaViewportHeight | Gets the changed value of the viewport row height. | 
| ViewportIndex | Gets the index of the viewport row whose height is changing. | 
Target Platforms: Windows Server 2012, Windows RT