protected override void SetBoundsCore(Rectangle bounds, BoundsSpecified specified) { _currentlySizing = true; CachedBounds = bounds; try { if (DraggedControl.IsCurrentlyDragging) { if (ToolStripPanelRow.Cells[ToolStripPanelRow.Cells.Count - 1] == this) { Rectangle displayRectangle = ToolStripPanelRow.DisplayRectangle; if (ToolStripPanelRow.Orientation == Orientation.Horizontal) { int spaceToFree = bounds.Right - displayRectangle.Right; if (spaceToFree > 0 && bounds.Width > spaceToFree) { bounds.Width -= spaceToFree; } } else { int spaceToFree = bounds.Bottom - displayRectangle.Bottom; if (spaceToFree > 0 && bounds.Height > spaceToFree) { bounds.Height -= spaceToFree; } } } Debug.WriteLineIf(ToolStripPanelRow.ToolStripPanelMouseDebug.TraceVerbose, "[CELL] DRAGGING calling SetBounds " + bounds.ToString()); base.SetBoundsCore(bounds, specified); InnerElement.SetBounds(bounds, specified); } else { if (!ToolStripPanelRow.CachedBoundsMode) { Debug.WriteLineIf(ToolStripPanelRow.ToolStripPanelMouseDebug.TraceVerbose, "[CELL] NOT DRAGGING calling SetBounds " + bounds.ToString()); base.SetBoundsCore(bounds, specified); InnerElement.SetBounds(bounds, specified); } } } finally { _currentlySizing = false; } }