Fires after the extent (visible bounds) of the PageLayoutControl is changed.
ERROR: Syntax information about IPageLayoutControlEventsHelper.OnExtentUpdated may not be in D:\ArcGIS\DotNet\ESRI.ArcGIS.SystemUtility.dll
[C++]
HRESULT OnExtentUpdated(
VARIANT displayTransformation,
VARIANT_BOOL sizeChanged,
VARIANT newEnvelope
);
[C++]Parameters
displayTransformation [in] displayTransformation is a parameter of type VARIANT sizeChanged [in] sizeChanged is a parameter of type VARIANT_BOOL newEnvelope [in] newEnvelope is a parameter of type VARIANT