private void axPageLayoutControl1_OnPageLayoutReplaced(object sender, IPageLayoutControlEvents_OnPageLayoutReplacedEvent e)
{
//Get the IActiveView of the focus map in the PageLayoutControl
IActiveView activeView = axPageLayoutControl1.ActiveView.FocusMap as IActiveView;
//Trap the ITranformEvents of the PageLayoutCntrol's focus map
visBoundsUpdatedE = new ITransformEvents_VisibleBoundsUpdatedEventHandler(OnVisibleBoundsUpdated);
IDisplayTransformation displayTransformation = activeView.ScreenDisplay.DisplayTransformation;
//Start listening to the transform events interface
m_transformEvents = (ITransformEvents_Event)displayTransformation;
//Start listening to the VisibleBoundsUpdated method on ITransformEvents interface
m_transformEvents.VisibleBoundsUpdated += visBoundsUpdatedE;
//Get the extent of the focus map
m_Envelope = activeView.Extent;
//Load the same pre-authored map document into the MapControl
axMapControl1.LoadMxFile(axPageLayoutControl1.DocumentFilename, null, null);
//Set the extent of the MapControl to the full extent of the data
axMapControl1.Extent = axMapControl1.FullExtent;
}
public override void OnClick()
{
try
{
IMap Map;
if (m_hookHelper == null)
{
return;
}
Map = m_hookHelper.FocusMap as IMap;
if (Map == null)
{
return;
}
m_TransformEvents = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation as ITransformEvents_Event;
m_TransformEvents.VisibleBoundsUpdated += new ITransformEvents_VisibleBoundsUpdatedEventHandler(m_TransformEvents_VisibleBoundsUpdated);
}
catch (Exception ex)
{
}
}
public void Remove_EventHandler()
{
m_TransformEvents.VisibleBoundsUpdated -= new ITransformEvents_VisibleBoundsUpdatedEventHandler(m_TransformEvents_VisibleBoundsUpdated);
m_TransformEvents = null;
}
