protected void SetBaseCanvasViewport(CanvasViewport canvasViewport)
 {
     _canvasViewport = canvasViewport;
 }
 //
 internal void SetBaseCanvasViewport(CanvasViewport canvasViewport)
 {
     _canvasViewport = canvasViewport;
 }
 protected void SetBaseCanvasViewport(CanvasViewport canvasViewport)
 {
     this.canvasViewport = canvasViewport;
 }