protected override void OnSizeAllocated(Rectangle allocation)
{
base.OnSizeAllocated(allocation);
CurrentMode.AllocateTextArea(this, textArea, allocation);
SetChildrenPositions(allocation);
}
protected override void OnReallocate()
{
base.OnReallocate();
CurrentMode.AllocateTextArea(this, textArea, Bounds);
SetChildrenPositions(Bounds);
}