* header mouseEnter LPARAMETERS nButton, nShift, nXCoord, nYCoord this.AddProperty("gridPointer",THIS.parent.parent.MousePointer) * THIS.parent.parent.MousePointer= 2 * header mouseMove LPARAMETERS nButton, nShift, nXCoord, nYCoord THIS.parent.parent.MousePointer= 2 && add a header MousePointer property * THIS.parent.parent.MousePointer= this.MousePointer * header mouseLeave * attention! MouseLeave is not deterministic LPARAMETERS nButton, nShift, nXCoord, nYCoord THIS.parent.parent.MousePointer= this.gridPointer