diff --git a/src/vs/base/browser/ui/dropdown/dropdown.ts b/src/vs/base/browser/ui/dropdown/dropdown.ts
index 22693e1971c142b096c2c4dd907df00ac147f996..196179901120d367ae07d017a6cd37c063ac8e5d 100644
--- a/src/vs/base/browser/ui/dropdown/dropdown.ts
+++ b/src/vs/base/browser/ui/dropdown/dropdown.ts
@@ -214,6 +214,7 @@ export interface IDropdownMenuOptions extends IBaseDropdownOptions {
 	actions?: ReadonlyArray<IAction>;
 	actionProvider?: IActionProvider;
 	menuClassName?: string;
+	menuAsChild?: boolean; // scope down for #99448
 }
 
 export class DropdownMenu extends BaseDropdown {
@@ -222,6 +223,7 @@ export class DropdownMenu extends BaseDropdown {
 	private _actions: ReadonlyArray<IAction> = [];
 	private actionProvider?: IActionProvider;
 	private menuClassName: string;
+	private menuAsChild?: boolean;
 
 	constructor(container: HTMLElement, options: IDropdownMenuOptions) {
 		super(container, options);
@@ -230,6 +232,7 @@ export class DropdownMenu extends BaseDropdown {
 		this.actions = options.actions || [];
 		this.actionProvider = options.actionProvider;
 		this.menuClassName = options.menuClassName || '';
+		this.menuAsChild = !!options.menuAsChild;
 	}
 
 	set menuOptions(options: IMenuOptions | undefined) {
@@ -267,7 +270,7 @@ export class DropdownMenu extends BaseDropdown {
 			onHide: () => this.onHide(),
 			actionRunner: this.menuOptions ? this.menuOptions.actionRunner : undefined,
 			anchorAlignment: this.menuOptions ? this.menuOptions.anchorAlignment : AnchorAlignment.LEFT,
-			anchorAsContainer: true
+			anchorAsContainer: this.menuAsChild
 		});
 	}
 
@@ -289,10 +292,11 @@ export class DropdownMenuActionViewItem extends BaseActionViewItem {
 	private keybindings?: (action: IAction) => ResolvedKeybinding | undefined;
 	private clazz: string | undefined;
 	private anchorAlignmentProvider: (() => AnchorAlignment) | undefined;
+	private menuAsChild?: boolean;
 
-	constructor(action: IAction, menuActions: ReadonlyArray<IAction>, contextMenuProvider: IContextMenuProvider, actionViewItemProvider: IActionViewItemProvider | undefined, actionRunner: IActionRunner, keybindings: ((action: IAction) => ResolvedKeybinding | undefined) | undefined, clazz: string | undefined, anchorAlignmentProvider?: () => AnchorAlignment);
-	constructor(action: IAction, actionProvider: IActionProvider, contextMenuProvider: IContextMenuProvider, actionViewItemProvider: IActionViewItemProvider | undefined, actionRunner: IActionRunner, keybindings: ((action: IAction) => ResolvedKeybinding) | undefined, clazz: string | undefined, anchorAlignmentProvider?: () => AnchorAlignment);
-	constructor(action: IAction, menuActionsOrProvider: ReadonlyArray<IAction> | IActionProvider, contextMenuProvider: IContextMenuProvider, actionViewItemProvider: IActionViewItemProvider | undefined, actionRunner: IActionRunner, keybindings: ((action: IAction) => ResolvedKeybinding | undefined) | undefined, clazz: string | undefined, anchorAlignmentProvider?: () => AnchorAlignment) {
+	constructor(action: IAction, menuActions: ReadonlyArray<IAction>, contextMenuProvider: IContextMenuProvider, actionViewItemProvider: IActionViewItemProvider | undefined, actionRunner: IActionRunner, keybindings: ((action: IAction) => ResolvedKeybinding | undefined) | undefined, clazz: string | undefined, anchorAlignmentProvider?: () => AnchorAlignment, menuAsChild?: boolean);
+	constructor(action: IAction, actionProvider: IActionProvider, contextMenuProvider: IContextMenuProvider, actionViewItemProvider: IActionViewItemProvider | undefined, actionRunner: IActionRunner, keybindings: ((action: IAction) => ResolvedKeybinding) | undefined, clazz: string | undefined, anchorAlignmentProvider?: () => AnchorAlignment, menuAsChild?: boolean);
+	constructor(action: IAction, menuActionsOrProvider: ReadonlyArray<IAction> | IActionProvider, contextMenuProvider: IContextMenuProvider, actionViewItemProvider: IActionViewItemProvider | undefined, actionRunner: IActionRunner, keybindings: ((action: IAction) => ResolvedKeybinding | undefined) | undefined, clazz: string | undefined, anchorAlignmentProvider?: () => AnchorAlignment, menuAsChild?: boolean) {
 		super(null, action);
 
 		this.menuActionsOrProvider = menuActionsOrProvider;
@@ -302,6 +306,7 @@ export class DropdownMenuActionViewItem extends BaseActionViewItem {
 		this.keybindings = keybindings;
 		this.clazz = clazz;
 		this.anchorAlignmentProvider = anchorAlignmentProvider;
+		this.menuAsChild = menuAsChild;
 	}
 
 	render(container: HTMLElement): void {
@@ -322,7 +327,8 @@ export class DropdownMenuActionViewItem extends BaseActionViewItem {
 
 		const options: IDropdownMenuOptions = {
 			contextMenuProvider: this.contextMenuProvider,
-			labelRenderer: labelRenderer
+			labelRenderer: labelRenderer,
+			menuAsChild: this.menuAsChild
 		};
 
 		// Render the DropdownMenu around a simple action to toggle it
diff --git a/src/vs/base/browser/ui/toolbar/toolbar.ts b/src/vs/base/browser/ui/toolbar/toolbar.ts
index 2ce6e5599dc5f6a8c7673b5abc1d48f6ff76bb0d..9badee8eb9639a469305f72feb394acf2fe37796 100644
--- a/src/vs/base/browser/ui/toolbar/toolbar.ts
+++ b/src/vs/base/browser/ui/toolbar/toolbar.ts
@@ -69,7 +69,8 @@ export class ToolBar extends Disposable {
 						this.actionRunner,
 						this.options.getKeyBinding,
 						toolBarMoreIcon.classNames,
-						this.options.anchorAlignmentProvider
+						this.options.anchorAlignmentProvider,
+						true
 					);
 					this.toggleMenuActionViewItem.value.setActionContext(this.actionBar.context);