public COM_IOleInPlaceObject IOleInPlaceObject; // cached interface obtained from UserConrol
public ExposedUserControl()
{
_logger.Log(LogLevel.Trace, "ExposedUserControl constructor called");
// Gain access to the IOleObject and IOleInPlaceObject interfaces implemented by the UserControl
IOleObject = (COM_IOleObject)AggregationHelper.ObtainInternalInterface(this, GetType().GetInterface("IOleObject"));
IOleInPlaceObject = (COM_IOleInPlaceObject)AggregationHelper.ObtainInternalInterface(this, GetType().GetInterface("IOleInPlaceObject"));
}
protected override void Dispose(bool disposing)
{
if (IOleObject != null)
{
Marshal.ReleaseComObject(IOleObject);
IOleObject = null;
}
if (IOleInPlaceObject != null)
{
Marshal.ReleaseComObject(IOleInPlaceObject);
IOleInPlaceObject = null;
}
base.Dispose(disposing);
}