diff --git a/extensions/vscode-api-tests/src/singlefolder-tests/window.test.ts b/extensions/vscode-api-tests/src/singlefolder-tests/window.test.ts
index 6777aa5fdc9f0..84307f80d99fb 100644
--- a/extensions/vscode-api-tests/src/singlefolder-tests/window.test.ts
+++ b/extensions/vscode-api-tests/src/singlefolder-tests/window.test.ts
@@ -298,6 +298,44 @@ suite('window namespace tests', () => {
 	});
 
 
+	test('showQuickPick, accept first', async function () {
+		const pick = window.showQuickPick(['eins', 'zwei', 'drei']);
+		await commands.executeCommand('workbench.action.acceptSelectedQuickOpenItem');
+		assert.equal(await pick, 'eins');
+	});
+
+	test('showQuickPick, accept second', async function () {
+		const resolves: ((value: string) => void)[] = [];
+		const first = new Promise(resolve => resolves.push(resolve));
+		const pick = window.showQuickPick(['eins', 'zwei', 'drei'], {
+			onDidSelectItem: item => resolves.shift()!(item as string)
+		});
+		assert.equal(await first, 'eins');
+		const second = new Promise(resolve => resolves.push(resolve));
+		await commands.executeCommand('workbench.action.quickOpenSelectNext');
+		assert.equal(await second, 'zwei');
+		await commands.executeCommand('workbench.action.acceptSelectedQuickOpenItem');
+		assert.equal(await pick, 'zwei');
+	});
+
+	test('showQuickPick, select first two', async function () {
+		const resolves: ((value: string) => void)[] = [];
+		const picks = window.showQuickPick(['eins', 'zwei', 'drei'], {
+			onDidSelectItem: item => resolves.shift()!(item as string),
+			canPickMany: true
+		});
+		const first = new Promise(resolve => resolves.push(resolve));
+		await commands.executeCommand('workbench.action.quickOpenSelectNext');
+		assert.equal(await first, 'eins');
+		await commands.executeCommand('workbench.action.quickPickManyToggle');
+		const second = new Promise(resolve => resolves.push(resolve));
+		await commands.executeCommand('workbench.action.quickOpenSelectNext');
+		assert.equal(await second, 'zwei');
+		await commands.executeCommand('workbench.action.quickPickManyToggle');
+		await commands.executeCommand('workbench.action.acceptSelectedQuickOpenItem');
+		assert.deepStrictEqual(await picks, ['eins', 'zwei']);
+	});
+
 	test('showQuickPick, undefined on cancel', function () {
 		const source = new CancellationTokenSource();
 		const p = window.showQuickPick(['eins', 'zwei', 'drei'], undefined, source.token);
diff --git a/src/vs/platform/quickinput/common/quickInput.ts b/src/vs/platform/quickinput/common/quickInput.ts
index 350395c6eb0bf..ec9fde4de40f6 100644
--- a/src/vs/platform/quickinput/common/quickInput.ts
+++ b/src/vs/platform/quickinput/common/quickInput.ts
@@ -27,6 +27,8 @@ export interface IQuickInputService {
 
 	focus(): void;
 
+	toggle(): void;
+
 	navigate(next: boolean): void;
 
 	accept(): TPromise<void>;
diff --git a/src/vs/workbench/browser/parts/quickinput/quickInput.contribution.ts b/src/vs/workbench/browser/parts/quickinput/quickInput.contribution.ts
new file mode 100644
index 0000000000000..05802208d23c9
--- /dev/null
+++ b/src/vs/workbench/browser/parts/quickinput/quickInput.contribution.ts
@@ -0,0 +1,15 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+'use strict';
+
+import { Registry } from 'vs/platform/registry/common/platform';
+import { SyncActionDescriptor } from 'vs/platform/actions/common/actions';
+import { IWorkbenchActionRegistry, Extensions as ActionExtensions } from 'vs/workbench/common/actions';
+import { QuickPickManyToggleAction } from 'vs/workbench/browser/parts/quickinput/quickInput';
+import { inQuickOpenContext } from 'vs/workbench/browser/parts/quickopen/quickopen';
+
+const registry = Registry.as<IWorkbenchActionRegistry>(ActionExtensions.WorkbenchActions);
+
+registry.registerWorkbenchAction(new SyncActionDescriptor(QuickPickManyToggleAction, QuickPickManyToggleAction.ID, QuickPickManyToggleAction.LABEL, null, inQuickOpenContext), 'Toggle Selection in Quick Pick');
diff --git a/src/vs/workbench/browser/parts/quickinput/quickInput.ts b/src/vs/workbench/browser/parts/quickinput/quickInput.ts
index 62f5fb4babbc1..5ba1cf56f1f10 100644
--- a/src/vs/workbench/browser/parts/quickinput/quickInput.ts
+++ b/src/vs/workbench/browser/parts/quickinput/quickInput.ts
@@ -35,6 +35,7 @@ import { onUnexpectedError, canceled } from 'vs/base/common/errors';
 import Severity from 'vs/base/common/severity';
 import { IWorkbenchEditorService } from 'vs/workbench/services/editor/common/editorService';
 import { IContextKeyService, RawContextKey, IContextKey } from 'vs/platform/contextkey/common/contextkey';
+import { Action } from 'vs/base/common/actions';
 
 const $ = dom.$;
 
@@ -588,11 +589,17 @@ export class QuickInputService extends Component implements IQuickInputService {
 	}
 
 	focus() {
-		if (this.ui) {
+		if (this.isDisplayed()) {
 			this.ui.inputBox.setFocus();
 		}
 	}
 
+	toggle() {
+		if (this.isDisplayed() && this.controller instanceof PickManyController) {
+			this.ui.checkboxList.toggleCheckbox();
+		}
+	}
+
 	navigate(next: boolean) {
 		if (this.isDisplayed() && this.ui.checkboxList.isDisplayed()) {
 			this.ui.checkboxList.focus(next ? 'Next' : 'Previous');
@@ -649,3 +656,22 @@ export class QuickInputService extends Component implements IQuickInputService {
 		return this.container && this.container.style.display !== 'none';
 	}
 }
+
+export class QuickPickManyToggleAction extends Action {
+
+	public static readonly ID = 'workbench.action.quickPickManyToggle';
+	public static readonly LABEL = localize('quickPickManyToggle', "Toggle Selection in Quick Pick");
+
+	constructor(
+		id: string,
+		label: string,
+		@IQuickInputService private quickInputService: IQuickInputService
+	) {
+		super(id, label);
+	}
+
+	public run(event?: any): TPromise<any> {
+		this.quickInputService.toggle();
+		return TPromise.as(true);
+	}
+}
diff --git a/src/vs/workbench/workbench.main.ts b/src/vs/workbench/workbench.main.ts
index 78ae4f9f1eade..47c9671501d72 100644
--- a/src/vs/workbench/workbench.main.ts
+++ b/src/vs/workbench/workbench.main.ts
@@ -41,6 +41,7 @@ import 'vs/workbench/parts/logs/electron-browser/logs.contribution';
 import 'vs/workbench/browser/parts/quickopen/quickopen.contribution';
 import 'vs/workbench/parts/quickopen/browser/quickopen.contribution';
 import 'vs/workbench/browser/parts/editor/editorPicker';
+import 'vs/workbench/browser/parts/quickinput/quickInput.contribution';
 
 import 'vs/workbench/parts/files/electron-browser/explorerViewlet';
 import 'vs/workbench/parts/files/electron-browser/fileActions.contribution';