diff --git a/winrt/winrt.d.ts b/winrt/winrt.d.ts
index ed4f33e77..b8b40f7cd 100644
--- a/winrt/winrt.d.ts
+++ b/winrt/winrt.d.ts
@@ -44,6 +44,17 @@ declare module Windows {
                 clear(): void;
                 first(): Windows.Foundation.Collections.IIterator<Windows.Foundation.Collections.IKeyValuePair<string, any>>;
             }
+            export class ValueSet implements Windows.Foundation.Collections.IPropertySet, Windows.Foundation.Collections.IObservableMap<string, any>, Windows.Foundation.Collections.IMap<string, any>, Windows.Foundation.Collections.IIterable<Windows.Foundation.Collections.IKeyValuePair<string, any>> {
+                size: number;
+                onmapchanged: any/* TODO */;
+                lookup(key: string): any;
+                hasKey(key: string): boolean;
+                getView(): Windows.Foundation.Collections.IMapView<string, any>;
+                insert(key: string, value: any): boolean;
+                remove(key: string): void;
+                clear(): void;
+                first(): Windows.Foundation.Collections.IIterator<Windows.Foundation.Collections.IKeyValuePair<string, any>>;
+            }
             export interface IIterable<T> {
                 first(): Windows.Foundation.Collections.IIterator<T>;
             }
@@ -7940,7 +7951,7 @@ declare module Windows {
                 control: Windows.Networking.Sockets.MessageWebSocketControl;
                 information: Windows.Networking.Sockets.MessageWebSocketInformation;
                 onmessagereceived: any/* TODO */;
-                close(): void;
+                close(): void;
                 close(code: number, reason: string): void;
             }
             export class MessageWebSocketControl implements Windows.Networking.Sockets.IMessageWebSocketControl, Windows.Networking.Sockets.IWebSocketControl {
@@ -7980,7 +7991,7 @@ declare module Windows {
                 control: Windows.Networking.Sockets.StreamWebSocketControl;
                 information: Windows.Networking.Sockets.StreamWebSocketInformation;
                 inputStream: Windows.Storage.Streams.IInputStream;
-                close(): void;
+                close(): void;
                 close(code: number, reason: string): void;
             }
             export class StreamWebSocketControl implements Windows.Networking.Sockets.IStreamWebSocketControl, Windows.Networking.Sockets.IWebSocketControl {
@@ -10979,29 +10990,36 @@ declare module Windows {
             }
             export interface IFileOpenPicker {
                 commitButtonText: string;
+                continuationData: Windows.Foundation.Collections.ValueSet;
                 fileTypeFilter: Windows.Foundation.Collections.IVector<string>;
                 settingsIdentifier: string;
                 suggestedStartLocation: Windows.Storage.Pickers.PickerLocationId;
                 viewMode: Windows.Storage.Pickers.PickerViewMode;
-                pickSingleFileAsync(): Windows.Foundation.IAsyncOperation<Windows.Storage.StorageFile>;
+                pickMultipleFilesAndContinue(): void;
                 pickMultipleFilesAsync(): Windows.Foundation.IAsyncOperation<Windows.Foundation.Collections.IVectorView<Windows.Storage.StorageFile>>;
+                pickSingleFileAndContinue(): void;
+                pickSingleFileAsync(): Windows.Foundation.IAsyncOperation<Windows.Storage.StorageFile>;
             }
             export interface IFileSavePicker {
                 commitButtonText: string;
+                continuationData: Windows.Foundation.Collections.ValueSet;
                 defaultFileExtension: string;
                 fileTypeChoices: Windows.Foundation.Collections.IMap<string, Windows.Foundation.Collections.IVector<string>>;
                 settingsIdentifier: string;
                 suggestedFileName: string;
                 suggestedSaveFile: Windows.Storage.StorageFile;
                 suggestedStartLocation: Windows.Storage.Pickers.PickerLocationId;
+                pickSaveFileAndContinue(): void;
                 pickSaveFileAsync(): Windows.Foundation.IAsyncOperation<Windows.Storage.StorageFile>;
             }
             export interface IFolderPicker {
                 commitButtonText: string;
+                continuationData: Windows.Foundation.Collections.ValueSet;
                 fileTypeFilter: Windows.Foundation.Collections.IVector<string>;
                 settingsIdentifier: string;
                 suggestedStartLocation: Windows.Storage.Pickers.PickerLocationId;
                 viewMode: Windows.Storage.Pickers.PickerViewMode;
+                pickFolderAndContinue(): void;
                 pickSingleFolderAsync(): Windows.Foundation.IAsyncOperation<Windows.Storage.StorageFolder>;
             }
             export class FileOpenPicker implements Windows.Storage.Pickers.IFileOpenPicker {
@@ -11010,7 +11028,10 @@ declare module Windows {
                 settingsIdentifier: string;
                 suggestedStartLocation: Windows.Storage.Pickers.PickerLocationId;
                 viewMode: Windows.Storage.Pickers.PickerViewMode;
+                continuationData: Windows.Foundation.Collections.ValueSet;
+                pickSingleFileAndContinue(): void;
                 pickSingleFileAsync(): Windows.Foundation.IAsyncOperation<Windows.Storage.StorageFile>;
+                pickMultipleFilesAndContinue(): void;
                 pickMultipleFilesAsync(): Windows.Foundation.IAsyncOperation<Windows.Foundation.Collections.IVectorView<Windows.Storage.StorageFile>>;
             }
             export class FileSavePicker implements Windows.Storage.Pickers.IFileSavePicker {
@@ -11021,6 +11042,8 @@ declare module Windows {
                 suggestedFileName: string;
                 suggestedSaveFile: Windows.Storage.StorageFile;
                 suggestedStartLocation: Windows.Storage.Pickers.PickerLocationId;
+                continuationData: Windows.Foundation.Collections.ValueSet;
+                pickSaveFileAndContinue(): void;
                 pickSaveFileAsync(): Windows.Foundation.IAsyncOperation<Windows.Storage.StorageFile>;
             }
             export class FolderPicker implements Windows.Storage.Pickers.IFolderPicker {
@@ -11029,6 +11052,8 @@ declare module Windows {
                 settingsIdentifier: string;
                 suggestedStartLocation: Windows.Storage.Pickers.PickerLocationId;
                 viewMode: Windows.Storage.Pickers.PickerViewMode;
+                continuationData: Windows.Foundation.Collections.ValueSet;
+                pickFolderAndContinue(): void;
                 pickSingleFolderAsync(): Windows.Foundation.IAsyncOperation<Windows.Storage.StorageFolder>;
             }
         }
@@ -14750,4 +14775,4 @@ declare module Windows.Foundation {
         dispatchEvent?(type: string, details: any): boolean;
         removeEventListener?(eventType: string, listener: Function, capture?: boolean): void;
     }
-}
+}
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