public OLEObject()
 {
     CreateFromProgId("Excel.OLEObject");
     _sinkHelper = new OLEObjectEvents_SinkHelper(this);
 }
 public OLEObject(string progId)
 {
     CreateFromProgId(progId);
     _sinkHelper = new OLEObjectEvents_SinkHelper(this);
 }
 public OLEObject(COMObject parentObject, object comProxy, Type comProxyType) : base(parentObject, comProxy, comProxyType)
 {
     _sinkHelper = new OLEObjectEvents_SinkHelper(this);
 }