ComponentFactory.Krypton.Ribbon.ViewDrawRibbonGroupTextBox.UpdateParent C# (CSharp) Method

        private void UpdateParent(Control parentControl)
        {
            // Is there a change in the textbox or a change in
            // the parent control that is hosting the control...
            if ((parentControl != LastParentControl) ||
                (LastTextBox != _ribbonTextBox.TextBox))
            {
                // We only modify the parent and visible state if processing for correct container
                if ((_ribbonTextBox.RibbonContainer.RibbonGroup.ShowingAsPopup && (parentControl is VisualPopupGroup)) ||
                    (!_ribbonTextBox.RibbonContainer.RibbonGroup.ShowingAsPopup && !(parentControl is VisualPopupGroup)))
                {
                    // If we have added the custrom control to a parent before
                    if ((LastTextBox != null) && (LastParentControl != null))
                    {
                        // If that control is still a child of the old parent
                        if (LastParentControl.Controls.Contains(LastTextBox))
                        {
                            // Check for a collection that is based on the read only class
                            LastParentControl.Controls.Remove(LastTextBox);
                        }
                    }

                    // Remember the current control and new parent
                    LastTextBox = _ribbonTextBox.TextBox;
                    LastParentControl = parentControl;

                    // If we have a new textbox and parent
                    if ((LastTextBox != null) && (LastParentControl != null))
                    {
                        // Ensure the control is not in the display area when first added
                        LastTextBox.Location = new Point(-LastTextBox.Width, -LastTextBox.Height);

                        // Check for the correct visible state of the textbox
                        UpdateVisible(LastTextBox);

                        // Check for a collection that is based on the read only class
                        LastParentControl.Controls.Add(LastTextBox);
                    }
                }
            }
        }