public LongOperationsManager(frmMain parentForm, VideoController videoController) { m_BlockUIForm = new frmLongRunningOperation(); IntPtr handleHack = m_BlockUIForm.Handle; Trace.WriteLine("BlockUI Initialised: " + handleHack.ToInt32()); m_VideoController = videoController; m_MainForm = parentForm; m_MainFormHandle = parentForm.Handle; m_BlockUIForm.Initialise(m_MainForm); }