protected virtual void OnZoom(ZoomEventArgs e)
{
if (Zoom != null)
{
// Invokes the delegates.
Zoom(this, e);
}
}
private void _form_Zoom(object sender, ZoomEventArgs e)
{
IMap theMap = null;
try
{
if (this._selectedErrors != null && this._selectedErrors.Length > 0)
{
theMap = this.Extension.FocusMap;
IEnvelope theNewExtent = null;
for (int i = 0; i < this._selectedErrors.Length; i++)
{
IPoint thePoint = (IPoint)((IClone)this._selectedErrors[i].Error.Location).Clone();
IEnvelope theEnv = this.ConstructViewEnvAtPoint(thePoint, e.ExtentSize);
theEnv.Project(theMap.SpatialReference);
if (theNewExtent == null)
theNewExtent = theEnv;
else
theNewExtent.Union(theEnv);
}
IActiveView theAV = (IActiveView)theMap;
theAV.Extent = theNewExtent;
theAV.Refresh();
}
}
catch (Exception ex)
{
util.Logger.Write("Exception caught zooming the map: " + Environment.NewLine
+ ex.Message + Environment.NewLine + ex.StackTrace);
}
finally
{
if (theMap != null)
Marshal.ReleaseComObject(theMap);
}
}