mChangeBubbleShapeButton.ClickedSignal().Connect( this, &BubbleEffectExample::OnChangeIconClicked );
toolBar.AddControl( mChangeBubbleShapeButton,
DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage,
mChangeBubbleShapeButton.ClickedSignal().Connect( this, &BubbleEffectExample::OnChangeIconClicked );
toolBar.AddControl( mChangeBubbleShapeButton,
DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage,