这应该是 IW 中最重要的容器了, 和它同父的还有 TIWTabControl

---

TIWRegion 所在单元及继承链:
IWRegion.TIWRegion < TIWCustomRegion < TIWHTML40Container < TIWHTMLContainer < TIWContainer < TIWBaseContainer < TScrollingWinControl < TWinControl < TControl < TComponent < TPersistent < TObject

主要成员:

---

property Align: TAlign
property Anchors: TAnchors
property BorderOptions: TIWContainerBorderOptions //设置边框的宽度、颜色、样式
property Color: TIWColor
property ClipRegion: Boolean           //对应 CSS clip, 如果控件大于区域, 是否剪切; 默认 True
property LayoutMgr: TIWContainerLayout //要套用的布局管理器
property Splitter: Boolean         //是否提供分割线; 它出现的位置与 Align 属性有关系
property StyleRenderOptions: TIWStyleRenderOptions
property Visible: Boolean
property DoRefreshControl: Boolean
property InternalTabOrder: TTabOrder
property ContainerContext: TIWContainerContext
property IWComponentsCount: Integer
property RenderInvisibleControls: Boolean //是否呈现隐藏的控件; 默认 False
property HorzScrollBar: TControlScrollBar
property VertScrollBar: TControlScrollBarproperty OnCreate: TNotifyEvent
property OnRender: TNotifyEventprocedure SetBounds(ALeft: Integer; ATop: Integer; AWidth: Integer; AHeight: Integer)
procedure Invalidate
function OwnerForm: TIWBaseForm
function OwnerFrame: TIWHTMLContainer
procedure Freeing(AObject: TObject)
procedure ForceAlign
procedure DisableAutoRange
procedure EnableAutoRange
procedure ScrollInView(AControl: TControl)

---

RenderInvisibleControls 属性测试:

---

procedure TIWForm1.IWAppFormCreate(Sender: TObject);
beginIWRectangle1.Visible := False;             //假如 IWRectangle1 在 IWRegion1 内, 并且已经隐藏了IWRegion1.RenderInvisibleControls := True; //如果不指定 RenderInvisibleControls := True 那么再从异步事件中设置 IWRectangle1.Visible := True 将无效
end;{OnAsyncClick}
procedure TIWForm1.IWButton1AsyncClick(Sender: TObject; EventParams: TStringList);
beginIWRectangle1.Visible := not IWRectangle1.Visible;
end;

---

Splitter 属性测试:

---

{先放三个互不嵌套的 TIWRegion}
procedure TIWForm1.IWAppFormCreate(Sender: TObject);
beginIWRegion1.Color := $ff0000;IWRegion2.Color := $0000ff;IWRegion3.Color := $00ff00;IWRegion1.Align := alTop;IWRegion2.Align := alLeft;IWRegion3.Align := alClient;IWRegion1.Splitter := True;IWRegion2.Splitter := True;
end;

效果图:

---