Accord.Controls.VideoSourcePlayer.CheckForCrossThreadAccess C# (CSharp) Метод

        private void CheckForCrossThreadAccess()
        {
            // force handle creation, so InvokeRequired() will use it instead of searching through parent's chain
            if (!IsHandleCreated)
            {
                CreateControl();

                // if the control is not Visible, then CreateControl() will not be enough
                if (!IsHandleCreated)
                {
                    CreateHandle();
                }
            }

            if (InvokeRequired)
            {
                throw new InvalidOperationException("Cross thread access to the control is not allowed.");
            }
        }