Merged PR 18407: last of the desktop app notes for this class of APIs for the moment

last of the desktop app notes for this class of APIs for the moment

Author: Steven White

windows.applicationmodel.contacts/pinnedcontactmanager.md

@@ -12,6 +12,8 @@ public class PinnedContactManager
 ## -description
 Represents a service that source apps can call to pin and unpin contacts to and from the taskbar or **Start** menu.
 
+In a desktop app, before using an instance of this class in a way that displays UI, you'll need to associate the object with its owner's window handle. For more info, and code examples, see [Display WinRT UI objects that depend on CoreWindow](/windows/apps/develop/ui-input/display-ui-objects#winui-3-with-c).
+
 ## -remarks
 
 ## -see-also

windows.applicationmodel.payments/paymentmediator.md

@@ -12,6 +12,8 @@ public class PaymentMediator : Windows.ApplicationModel.Payments.IPaymentMediato
 ## -description
 This class is used to submit payment requests.
 
+In a desktop app, before using an instance of this class in a way that displays UI, you'll need to associate the object with its owner's window handle. For more info, and code examples, see [Display WinRT UI objects that depend on CoreWindow](/windows/apps/develop/ui-input/display-ui-objects#winui-3-with-c).
+
 ## -remarks
 
 ### Version history

windows.media.casting/castingdevicepicker.md

@@ -13,6 +13,8 @@ public class CastingDevicePicker : Windows.Media.Casting.ICastingDevicePicker
 ## -description
 Represents a device picker that contains a list of casting devices for the user to choose from.
 
+In a desktop app, before using an instance of this class in a way that displays UI, you'll need to associate the object with its owner's window handle. For more info, and code examples, see [Display WinRT UI objects that depend on CoreWindow](/windows/apps/develop/ui-input/display-ui-objects#winui-3-with-c).
+
 ## -remarks
 
 ## -examples

windows.media.dialprotocol/dialdevicepicker.md

@@ -13,6 +13,8 @@ public class DialDevicePicker : Windows.Media.DialProtocol.IDialDevicePicker
 ## -description
 Represents a picker flyout that contains a list of remote devices for the user to choose from.
 
+In a desktop app, before using an instance of this class in a way that displays UI, you'll need to associate the object with its owner's window handle. For more info, and code examples, see [Display WinRT UI objects that depend on CoreWindow](/windows/apps/develop/ui-input/display-ui-objects#winui-3-with-c).
+
 ## -remarks
 
 ## -examples

windows.networking.networkoperators/provisioningagent.md

@@ -13,12 +13,12 @@ public class ProvisioningAgent : Windows.Networking.NetworkOperators.IProvisioni
 ## -description
 Represents an agent that provisions connectivity and subscription information with a network provider.
 
-> [!NOTE]
-> This functionality is only available to mobile operator apps and UWP apps given privileged access by mobile network operators.
-
+In a desktop app, before using an instance of this class in a way that displays UI, you'll need to associate the object with its owner's window handle. For more info, and code examples, see [Display WinRT UI objects that depend on CoreWindow](/windows/apps/develop/ui-input/display-ui-objects#winui-3-with-c).
 
+> [!NOTE]
+> This functionality is available only to mobile operator apps and UWP apps given privileged access by mobile network operators.
 
-> If you want to use this API and publish your app to the Store, you will need special approval. For more information, see the **Special and restricted capabilities** section under [App capability declarations](/windows/uwp/packaging/app-capability-declarations). 
+> If you want to use this API and publish your app to the Microsoft Store, then you'll need special approval. For more information, see the **Special and restricted capabilities** section under [App capability declarations](/windows/uwp/packaging/app-capability-declarations). 
 
 ## -remarks
 

windows.security.authentication.onlineid/onlineidauthenticator.md

@@ -12,12 +12,13 @@ public class OnlineIdAuthenticator : Windows.Security.Authentication.OnlineId.IO
 ## -description
 Provides an app with the ability to start the authentication request to get JavaScript Object Notation (JSON) tokens to use with your service or request tickets that can be used to get data that the user has consented to for your app using the Live ConnectAPI.
 
+In a desktop app, before using an instance of this class in a way that displays UI, you'll need to associate the object with its owner's window handle. For more info, and code examples, see [Display WinRT UI objects that depend on CoreWindow](/windows/apps/develop/ui-input/display-ui-objects#winui-3-with-c).
+
 > [!NOTE]
-> If you are developing for Windows 10 or greater, use the [Windows.Security.Authentication.Web.Core](../windows.security.authentication.web.core/windows_security_authentication_web_core.md) APIs instead. For more information, see [Web account manager](/windows/uwp/security/web-account-manager).
+> If you're developing for Windows 10 or later, use the [Windows.Security.Authentication.Web.Core](../windows.security.authentication.web.core/windows_security_authentication_web_core.md) APIs instead. For more information, see [Web account manager](/windows/uwp/security/web-account-manager).
 
 ## -remarks
 
-
 ## -examples
 The following example shows how to handle a user authentication request.
 

windows.system/folderlauncheroptions.md

@@ -13,6 +13,8 @@ public class FolderLauncherOptions : Windows.System.IFolderLauncherOptions, Wind
 ## -description
 Specifies the options to use when launching File Explorer to display the contents of a specific folder by calling the [LaunchFolderAsync(IStorageFolder, FolderLauncherOptions)](launcher_launchfolderasync_1551340761.md) method.
 
+In a desktop app, before using an instance of this class in a way that displays UI, you'll need to associate the object with its owner's window handle. For more info, and code examples, see [Display WinRT UI objects that depend on CoreWindow](/windows/apps/develop/ui-input/display-ui-objects#winui-3-with-c).
+
 ## -remarks
 
 ## -examples

windows.system/launcheroptions.md

@@ -13,6 +13,8 @@ public class LauncherOptions : Windows.System.ILauncherOptions, Windows.System.I
 
 Specifies the options used to launch the default app for a file or URI.
 
+In a desktop app, before using an instance of this class in a way that displays UI, you'll need to associate the object with its owner's window handle. For more info, and code examples, see [Display WinRT UI objects that depend on CoreWindow](/windows/apps/develop/ui-input/display-ui-objects#winui-3-with-c).
+
 ## -remarks
 
 ### Version history

windows.ui.core/corewindowdialog.md

@@ -12,6 +12,8 @@ public class CoreWindowDialog : Windows.UI.Core.ICoreWindowDialog
 ## -description
 Defines a child dialog of an app window.
 
+In a desktop app, before using an instance of this class in a way that displays UI, you'll need to associate the object with its owner's window handle. For more info, and code examples, see [Display WinRT UI objects that depend on CoreWindow](/windows/apps/develop/ui-input/display-ui-objects#winui-3-with-c).
+
 ## -remarks
 
 <!-- confirmed -->

windows.ui.core/corewindowflyout.md

@@ -12,6 +12,8 @@ public class CoreWindowFlyout : Windows.UI.Core.ICoreWindowFlyout
 ## -description
 Defines a child flyout of an app window.
 
+In a desktop app, before using an instance of this class in a way that displays UI, you'll need to associate the object with its owner's window handle. For more info, and code examples, see [Display WinRT UI objects that depend on CoreWindow](/windows/apps/develop/ui-input/display-ui-objects#winui-3-with-c).
+
 ## -remarks
 
 <!-- confirmed -->