ScrollRect
OnDisable()时，UnRegisterCanvasElementForRebuild(this);
Scrollbarfont color=\"#ff0000\
Canvas.willRenderCanvases += PerformUpdate;
InputFieldfont color=\"#ff0000\
Cull();
Graphic(abstract)span style=\"font-size: inherit;\
ClipperRegistryfont color=\"#ff0000\
UIBehaviour(abstract)
Selectable
Togglefont color=\"#ff0000\
MarkGeometryAsDirty()时，RegisterCanvasElementForGraphicRebuild(this);OnDisable()时，UnRegisterCanvasElementForRebuild(this);
InputField
CanvasUpdateRegistry
Graphic
SetVerticesDirty()时，RegisterCanvasElementForGraphicRebuild(this);SetMaterialDirty()时，RegisterCanvasElementForGraphicRebuild(this);OnCullingChanged()时，RegisterCanvasElementForGraphicRebuild(this);OnDisable()时，UnRegisterCanvasElementForRebuild(this);
ICanvasElement
Canvas
博客专栏：https://blog.csdn.net/nratel/category_11133596.html
ScrollRectfont color=\"#ff3333\
LayoutRebuilderfont color=\"#ff0000\
Sliderfont color=\"#ff0000\
Rebuild(stage);
