diff --git a/src/vs/workbench/api/electron-browser/mainThreadWebview.ts b/src/vs/workbench/api/electron-browser/mainThreadWebview.ts
index 9e36bedbf59..8d3058803ca 100644
--- a/src/vs/workbench/api/electron-browser/mainThreadWebview.ts
+++ b/src/vs/workbench/api/electron-browser/mainThreadWebview.ts
@@ -10,7 +10,7 @@ import { TPromise } from 'vs/base/common/winjs.base';
 import { localize } from 'vs/nls';
 import { ILifecycleService } from 'vs/platform/lifecycle/common/lifecycle';
 import { IOpenerService } from 'vs/platform/opener/common/opener';
-import { ExtHostContext, ExtHostWebviewsShape, IExtHostContext, MainContext, MainThreadWebviewsShape, WebviewPanelHandle } from 'vs/workbench/api/node/extHost.protocol';
+import { ExtHostContext, ExtHostWebviewsShape, IExtHostContext, MainContext, MainThreadWebviewsShape, WebviewPanelHandle, WebviewPanelShowOptions } from 'vs/workbench/api/node/extHost.protocol';
 import { editorGroupToViewColumn, EditorViewColumn, viewColumnToEditorGroup } from 'vs/workbench/api/shared/editor';
 import { WebviewEditor } from 'vs/workbench/parts/webview/electron-browser/webviewEditor';
 import { WebviewEditorInput } from 'vs/workbench/parts/webview/electron-browser/webviewEditorInput';
@@ -145,15 +145,15 @@ export class MainThreadWebviews implements MainThreadWebviewsShape, WebviewReviv
 		webview.setOptions(reviveWebviewOptions(options));
 	}
 
-	public $reveal(handle: WebviewPanelHandle, viewColumn: EditorViewColumn | null, preserveFocus: boolean): void {
+	public $reveal(handle: WebviewPanelHandle, showOptions: WebviewPanelShowOptions): void {
 		const webview = this.getWebview(handle);
 		if (webview.isDisposed()) {
 			return;
 		}
 
-		const targetGroup = this._editorGroupService.getGroup(viewColumnToEditorGroup(this._editorGroupService, viewColumn));
+		const targetGroup = this._editorGroupService.getGroup(viewColumnToEditorGroup(this._editorGroupService, showOptions.viewColumn));
 
-		this._webviewService.revealWebview(webview, targetGroup || this._editorGroupService.activeGroup, preserveFocus);
+		this._webviewService.revealWebview(webview, targetGroup || this._editorGroupService.activeGroup, showOptions.preserveFocus);
 	}
 
 	public $postMessage(handle: WebviewPanelHandle, message: any): TPromise<boolean> {
diff --git a/src/vs/workbench/api/node/extHost.protocol.ts b/src/vs/workbench/api/node/extHost.protocol.ts
index dcccdfd0bf9..11e0707a346 100644
--- a/src/vs/workbench/api/node/extHost.protocol.ts
+++ b/src/vs/workbench/api/node/extHost.protocol.ts
@@ -425,10 +425,15 @@ export interface MainThreadTelemetryShape extends IDisposable {
 
 export type WebviewPanelHandle = string;
 
+export interface WebviewPanelShowOptions {
+	readonly viewColumn?: EditorViewColumn;
+	readonly preserveFocus?: boolean;
+}
+
 export interface MainThreadWebviewsShape extends IDisposable {
-	$createWebviewPanel(handle: WebviewPanelHandle, viewType: string, title: string, viewOptions: { viewColumn: EditorViewColumn, preserveFocus: boolean }, options: vscode.WebviewPanelOptions & vscode.WebviewOptions, extensionLocation: UriComponents): void;
+	$createWebviewPanel(handle: WebviewPanelHandle, viewType: string, title: string, showOptions: WebviewPanelShowOptions, options: vscode.WebviewPanelOptions & vscode.WebviewOptions, extensionLocation: UriComponents): void;
 	$disposeWebview(handle: WebviewPanelHandle): void;
-	$reveal(handle: WebviewPanelHandle, viewColumn: EditorViewColumn | null, preserveFocus: boolean): void;
+	$reveal(handle: WebviewPanelHandle, showOptions: WebviewPanelShowOptions): void;
 	$setTitle(handle: WebviewPanelHandle, value: string): void;
 	$setIconPath(handle: WebviewPanelHandle, value: { light: UriComponents, dark: UriComponents } | undefined): void;
 	$setHtml(handle: WebviewPanelHandle, value: string): void;
diff --git a/src/vs/workbench/api/node/extHostWebview.ts b/src/vs/workbench/api/node/extHostWebview.ts
index 54a4f910bb3..89302f77670 100644
--- a/src/vs/workbench/api/node/extHostWebview.ts
+++ b/src/vs/workbench/api/node/extHostWebview.ts
@@ -208,9 +208,10 @@ export class ExtHostWebviewPanel implements vscode.WebviewPanel {
 
 	public reveal(viewColumn?: vscode.ViewColumn, preserveFocus?: boolean): void {
 		this.assertNotDisposed();
-		this._proxy.$reveal(this._handle,
-			viewColumn ? typeConverters.ViewColumn.from(viewColumn) : undefined,
-			!!preserveFocus);
+		this._proxy.$reveal(this._handle, {
+			viewColumn: viewColumn ? typeConverters.ViewColumn.from(viewColumn) : undefined,
+			preserveFocus: !!preserveFocus
+		});
 	}
 
 	private assertNotDisposed() {
diff --git a/src/vs/workbench/parts/webview/electron-browser/webviewFindWidget.ts b/src/vs/workbench/parts/webview/electron-browser/webviewFindWidget.ts
index 3529b7b8a10..4b0a2c6bbaa 100644
--- a/src/vs/workbench/parts/webview/electron-browser/webviewFindWidget.ts
+++ b/src/vs/workbench/parts/webview/electron-browser/webviewFindWidget.ts
@@ -11,7 +11,7 @@ import { IContextKeyService } from 'vs/platform/contextkey/common/contextkey';
 export class WebviewFindWidget extends SimpleFindWidget {
 
 	constructor(
-		private webview: WebviewElement,
+		private _webview: WebviewElement,
 		@IContextViewService contextViewService: IContextViewService,
 		@IContextKeyService contextKeyService: IContextKeyService
 	) {
@@ -19,45 +19,45 @@ export class WebviewFindWidget extends SimpleFindWidget {
 	}
 
 	dispose() {
-		this.webview = undefined;
+		this._webview = undefined;
 		super.dispose();
 	}
 
 	public find(previous: boolean) {
 		const val = this.inputValue;
 		if (val) {
-			this.webview.find(val, { findNext: true, forward: !previous });
+			this._webview.find(val, { findNext: true, forward: !previous });
 		}
 	}
 
 	public hide() {
 		super.hide();
-		this.webview.stopFind(true);
-		this.webview.focus();
+		this._webview.stopFind(true);
+		this._webview.focus();
 	}
 
 	public onInputChanged() {
 		const val = this.inputValue;
 		if (val) {
-			this.webview.startFind(val);
+			this._webview.startFind(val);
 		} else {
-			this.webview.stopFind(false);
+			this._webview.stopFind(false);
 		}
 	}
 
 	protected onFocusTrackerFocus() {
-		this.webview.notifyFindWidgetFocusChanged(true);
+		this._webview.notifyFindWidgetFocusChanged(true);
 	}
 
 	protected onFocusTrackerBlur() {
-		this.webview.notifyFindWidgetFocusChanged(false);
+		this._webview.notifyFindWidgetFocusChanged(false);
 	}
 
 	protected onFindInputFocusTrackerFocus() {
-		this.webview.notifyFindWidgetInputFocusChanged(true);
+		this._webview.notifyFindWidgetInputFocusChanged(true);
 	}
 
 	protected onFindInputFocusTrackerBlur() {
-		this.webview.notifyFindWidgetInputFocusChanged(false);
+		this._webview.notifyFindWidgetInputFocusChanged(false);
 	}
 }
\ No newline at end of file