Merge branch 'master' into publish-254

dotnet-desktop-guide/docfx.json

@@ -160,8 +160,10 @@
         "xaml-services/**/*.md": "dotnet-desktop"
       },
       "ms.topic": {
+        "framework/wpf/**/**.md": "conceptual",
         "xaml-services/**/*.md": "reference",
-        "**/*how-to*.md": "how-to"
+        "**/*how-to*.md": "how-to",
+        "**/*overview*.md": "overview"
       }
     },
     "template": [],

dotnet-desktop-guide/framework/winforms/advanced/application-settings-overview.md

@@ -2,6 +2,7 @@
 title: "Application Settings Overview"
 description: Learn about the Application Settings feature of Windows Forms, for example how to create and store settings data on behalf of your application and your users.
 ms.date: "03/30/2017"
+ms.topic: overview
 f1_keywords:
   - "ApplicationsSettingsOverview"
 helpviewer_keywords:

dotnet-desktop-guide/framework/winforms/advanced/overview-of-graphics.md

@@ -1,6 +1,7 @@
 ---
 title: "Overview of Graphics"
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "graphics [Windows Forms], using managed interface"
   - "graphics [Windows Forms], about graphics"

dotnet-desktop-guide/framework/winforms/advanced/types-of-bitmaps.md

@@ -2,6 +2,7 @@
 title: "Types of Bitmaps"
 description: Learn about bitmap types and the supported GDI+ graphics file formats, including BMP, JPG, GIF, PNG, and TIFF.
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "jpeg files"
   - "TIFF files"

dotnet-desktop-guide/framework/winforms/advanced/types-of-coordinate-systems.md

@@ -1,6 +1,7 @@
 ---
 title: "Types of Coordinate Systems"
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/winforms/advanced/vector-graphics-overview.md

@@ -1,6 +1,7 @@
 ---
 title: "Vector Graphics Overview"
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/winforms/advanced/windows-forms-and-unmanaged-applications-overview.md

@@ -1,6 +1,7 @@
 ---
 title: Unmanaged apps overview
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "COM [Windows Forms]"
   - "Windows Forms, unmanaged"

dotnet-desktop-guide/framework/winforms/controls/attributes-in-windows-forms-controls.md

@@ -1,6 +1,7 @@
 ---
 title: Attributes in Controls
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "attributes [Windows Forms]"
   - "attributes [Windows Forms], data binding properties"

dotnet-desktop-guide/framework/winforms/controls/autosize-behavior-in-the-tablelayoutpanel-control.md

@@ -1,6 +1,7 @@
 ---
 title: "AutoSize Behavior in the TableLayoutPanel Control"
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "AutoSize property [Windows Forms], tableLayoutPanel control"
   - "controls [Windows Forms], sizing"

dotnet-desktop-guide/framework/winforms/controls/control-type-recommendations.md

@@ -1,6 +1,7 @@
 ---
 title: "Control Type Recommendations"
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords:
   - "inheritance [Windows Forms], Windows Forms custom controls"
   - "user controls [Windows Forms], when to use"

dotnet-desktop-guide/framework/winforms/controls/controls-with-built-in-owner-drawing-support.md

@@ -1,6 +1,7 @@
 ---
 title: "Controls with Built-In Owner-Drawing Support"
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "drawing [Windows Forms], owner"
   - "drawing [Windows Forms], custom"

dotnet-desktop-guide/framework/winforms/controls/rendering-a-windows-forms-control.md

@@ -1,6 +1,7 @@
 ---
 title: Render a control
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/winforms/controls/varieties-of-custom-controls.md

@@ -1,6 +1,7 @@
 ---
 title: "Varieties of Custom Controls"
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "controls [Windows Forms], user controls"
   - "controls [Windows Forms], types of"

dotnet-desktop-guide/framework/winforms/controls/windows-forms-controls-by-function.md

@@ -1,6 +1,7 @@
 ---
 title: Controls by Function
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "controls [Windows Forms], by function"
   - "Windows Forms, controls by function"

dotnet-desktop-guide/framework/winforms/data-binding-and-windows-forms.md

@@ -2,6 +2,7 @@
 title: Data Binding
 description: Learn how to bind to an array of values that you calculate at runtime, read from a file, or derive from the values of other controls in Windows Forms.
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "master-details lists"
   - "data [Windows Forms], data binding"

dotnet-desktop-guide/framework/winforms/event-handlers-overview-windows-forms.md

@@ -1,6 +1,7 @@
 ---
 title: "Event Handlers Overview"
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/winforms/events-overview-windows-forms.md

@@ -1,6 +1,7 @@
 ---
 title: "Events Overview"
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords:
   - "Windows Forms, event handling"
   - "events [Windows Forms], about events"

dotnet-desktop-guide/framework/winforms/how-keyboard-input-works.md

@@ -1,6 +1,7 @@
 ---
 title: "How Keyboard Input Works"
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "keyboard input [Windows Forms], about keyboard input"
   - "keyboards [Windows Forms], keyboard input"

dotnet-desktop-guide/framework/winforms/how-mouse-input-works-in-windows-forms.md

@@ -1,6 +1,7 @@
 ---
 title: "How Mouse Input Works"
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "Windows Forms, mouse input"
   - "mouse [Windows Forms], input"

dotnet-desktop-guide/framework/winforms/interfaces-related-to-data-binding.md

@@ -1,6 +1,7 @@
 ---
 title: "Interfaces Related to Data Binding"
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords:
   - "data [Windows Forms], data-binding interfaces"
   - "INotifyPropertyChanged interface"

dotnet-desktop-guide/framework/winforms/security-in-windows-forms-overview.md

@@ -1,6 +1,7 @@
 ---
 title: Security overview
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords:
   - "code access security [Windows Forms], Windows Forms"
   - "permissions [Windows Forms], Windows Forms"

dotnet-desktop-guide/framework/winforms/user-input-validation-in-windows-forms.md

@@ -2,6 +2,7 @@
 title: "User Input Validation"
 description: Learn about several ways that you can use Windows Forms to validate user input in your applications.
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "Windows Forms, validating user input"
   - "validation [Windows Forms], Windows Forms user input"

dotnet-desktop-guide/framework/winforms/windows-forms-overview.md

@@ -2,6 +2,7 @@
 title: Overview
 description: Learn how you can use Windows Forms to build smart clients that meet the needs of today's enterprises and end users. 
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords:
   - "smart clients"
   - "Windows Forms, about Windows Forms"

dotnet-desktop-guide/framework/wpf/advanced/alignment-margins-and-padding-overview.md

@@ -1,6 +1,7 @@
 ---
 title: "Alignment, Margins, and Padding Overview"
 description: Learn about HorizontalAlignment, Margin, Padding, and VerticalAlignment, which control child element position in Windows Presentation Foundation applications.
+ms.topic: overview
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"

dotnet-desktop-guide/framework/wpf/advanced/annotations-overview.md

@@ -1,6 +1,7 @@
 ---
 title: "Annotations Overview"
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/advanced/attached-events-overview.md

@@ -1,6 +1,7 @@
 ---
 title: "Attached Events Overview"
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/advanced/attached-properties-overview.md

@@ -2,6 +2,7 @@
 title: "Attached Properties Overview"
 description: Learn about attached properties in Windows Presentation Foundation, which are global properties settable on any object.
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/advanced/base-elements-overview.md

@@ -1,6 +1,7 @@
 ---
 title: "Base Elements Overview"
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "base elements [WPF]"
 ms.assetid: 2c997092-72c6-4767-bc84-74267f4eee72

dotnet-desktop-guide/framework/wpf/advanced/commanding-overview.md

@@ -2,6 +2,7 @@
 title: "Commanding Overview"
 description: Learn about commanding, an input mechanism in Windows Presentation Foundation which provides input handling at a more semantic level than device input.
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/advanced/custom-dependency-properties.md

@@ -2,6 +2,7 @@
 title: "Custom Dependency Properties"
 description: Learn about steps to implement a property in Windows Presentation Foundation, and options to improve performance, usability, or versatility of the property.
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/advanced/dependency-properties-overview.md

@@ -2,6 +2,7 @@
 title: "Dependency properties overview"
 description: A property that is backed by the WPF property system is known as a dependency property. This overview describes the WPF property system and the capabilities of a dependency property.
 ms.date: "06/06/2018"
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/advanced/documents-in-wpf.md

@@ -1,6 +1,7 @@
 ---
 title: "Documents"
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "documents [WPF], packaging"
   - "documents [WPF], text layout"

dotnet-desktop-guide/framework/wpf/advanced/drag-and-drop-overview.md

@@ -2,6 +2,7 @@
 title: "Drag and Drop Overview"
 description: Learn about drag-and-drop support in Windows Presentation Foundation applications, which lets users drag objects to a region in the user interface.
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/advanced/flow-document-overview.md

@@ -2,6 +2,7 @@
 title: "Flow Document Overview"
 description: Learn about flow documents in Windows Presentation Foundation, which dynamically adjust content based on window size, device resolution, and user preferences.
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/advanced/focus-overview.md

@@ -2,6 +2,7 @@
 title: "Focus Overview"
 description: "Learn about the two main concepts in Windows Presentation Foundation that pertain to focus: keyboard focus and logical focus."
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/advanced/freezable-objects-overview.md

@@ -1,6 +1,7 @@
 ---
 title: "Freezable Objects Overview"
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/advanced/input-overview.md

@@ -1,6 +1,7 @@
 ---
 title: "Input Overview"
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/advanced/layout.md

@@ -2,6 +2,7 @@
 title: "Layout"
 description: Understand how and when layout calculations occur in the Windows Presentation Foundation layout system.
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/advanced/routed-events-overview.md

@@ -2,6 +2,7 @@
 title: "Routed Events Overview"
 description: Learn about routed events in Windows Presentation Foundation, including how they are routed through an element tree and how to create custom routed events.
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/advanced/textelement-content-model-overview.md

@@ -1,6 +1,7 @@
 ---
 title: "TextElement Content Model Overview"
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/advanced/threading-model.md

@@ -2,6 +2,7 @@
 title: "Threading Model"
 description: Learn about situations where you might need multiple threads in your Windows Presentation Foundation application. Single threaded solutions are preferred.
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/advanced/trees-in-wpf.md

@@ -1,6 +1,7 @@
 ---
 title: "Trees"
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "logical tree [WPF]"
   - "element tree [WPF]"

dotnet-desktop-guide/framework/wpf/advanced/wpf-architecture.md

@@ -2,6 +2,7 @@
 title: Architecture
 description: Learn about the Windows Presentation Foundation class hierarchy, including most of the major subsystems and how they interact.
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "properties [WPF], attached"
   - "attached properties [WPF]"

dotnet-desktop-guide/framework/wpf/advanced/wpf-globalization-and-localization-overview.md

@@ -2,6 +2,7 @@
 title: Globalization and localization overview
 description: Learn about localization and globalization for Windows Presentation Foundation, including automatic layout, satellite assemblies, and localized attributes.
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords:
   - "globalization [WPF], about globalization"
   - "localization [WPF], about localization"

dotnet-desktop-guide/framework/wpf/advanced/xaml-syntax-in-detail.md

@@ -2,6 +2,7 @@
 title: "XAML Syntax In Detail"
 description: Learn about terms that are used to describe the elements of XAML syntax for Windows Presentation Foundation and other frameworks that use XAML.
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "XML [WPF], namespaces"
   - "XAML [WPF], parsing of attributes"

dotnet-desktop-guide/framework/wpf/app-development/application-management-overview.md

@@ -1,6 +1,7 @@
 ---
 title: "Application Management Overview"
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/app-development/building-a-wpf-application-wpf.md

@@ -1,6 +1,7 @@
 ---
 title: "Compile an app"
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/app-development/deploying-a-wpf-application-wpf.md

@@ -2,6 +2,7 @@
 title: "Deploy an app"
 description: Explore the deployment technologies that Windows and the .NET Framework use for Windows Presentation Foundation (WPF) applications.
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "WPF applications [WPF], deployment"
   - "deployment [WPF], applications"

dotnet-desktop-guide/framework/wpf/app-development/navigation-overview.md

@@ -2,6 +2,7 @@
 title: "Navigation Overview"
 description: Learn about support for browser-style navigation used in standalone applications and XAML browser applications in Windows Presentation Foundation (WPF). 
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/app-development/wpf-add-ins-overview.md

@@ -1,6 +1,7 @@
 ---
 title: Add-ins overview
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords:
   - "add-ins and XAML browser applications [WPF]"
   - "add-ins overview [WPF]"

dotnet-desktop-guide/framework/wpf/app-development/wpf-windows-overview.md

@@ -2,6 +2,7 @@
 title: Windows overview
 description: Get acquainted with the basics of creating and managing windows for standalone applications in Windows Presentation Foundation (WPF).
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/app-development/wpf-xaml-browser-applications-overview.md

@@ -2,6 +2,7 @@
 title: "XAML Browser Applications Overview"
 description: Learn how XAML browser applications combines features of Web applications and rich-client applications in the Windows Presentation Foundation (WPF).
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/controls/adorners-overview.md

@@ -2,6 +2,7 @@
 title: "Adorners Overview"
 description: Learn about Windows Presentation Foundation Adorners, a special type of FrameworkElement that provides cues to a user, such as functional handles for elements.
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/controls/control-authoring-overview.md

@@ -2,6 +2,7 @@
 title: "Control Authoring Overview"
 description: The extensibility of Windows Presentation Foundation controls minimizes the need to create custom controls. Learn how to create a new control, if necessary.
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/controls/ui-automation-of-a-wpf-custom-control.md

@@ -1,6 +1,7 @@
 ---
 title: "UI Automation of a Custom Control"
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/getting-started/walkthrough-my-first-wpf-desktop-application.md

@@ -3,6 +3,7 @@ title: Create your first WPF app in Visual Studio 2019 - .NET Framework
 titleSuffix: ""
 description: Develop a Windows Presentation Foundation (WPF) desktop application that includes elements common to most WPF applications.
 ms.date: 09/06/2019
+ms.topic: tutorial
 dev_langs:
   - "csharp"
   - "vb"
@@ -10,7 +11,6 @@ helpviewer_keywords:
   - "getting started [WPF], WPF"
   - "WPF [WPF], getting started"
 ms.assetid: b96bed40-8946-4285-8fe4-88045ab854ed
-ms.topic: tutorial
 ms.custom: "mvc,vs-dotnet"
 ---
 # Tutorial: Create your first WPF application in Visual Studio 2019

dotnet-desktop-guide/framework/wpf/graphics-multimedia/3-d-graphics-overview.md

@@ -2,6 +2,7 @@
 title: "3D Graphics Overview"
 description: Get acquainted with 3D graphics in Windows Presentation Foundation (WPF) to draw, transform, and animate 3D graphics in both markup and procedural code.
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/graphics-multimedia/3-d-transformations-overview.md

@@ -1,6 +1,7 @@
 ---
 title: "3D Transformations Overview"
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/graphics-multimedia/animation-overview.md

@@ -2,6 +2,7 @@
 title: "Animation Overview"
 description: Make an attractive user interface even more spectacular with dramatic screen transitions or vivid visual cues in Windows Presentation Foundation (WPF).
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/graphics-multimedia/bitmap-effects-overview.md

@@ -1,6 +1,7 @@
 ---
 title: "Bitmap Effects Overview"
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "bitmap effects [WPF]"
 ms.assetid: 23cb338e-4b59-4b52-b294-96431f9c9568

dotnet-desktop-guide/framework/wpf/graphics-multimedia/brush-transformation-overview.md

@@ -1,6 +1,7 @@
 ---
 title: "Brush Transformation Overview"
 ms.date: "03/30/2017"
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/framework/wpf/graphics-multimedia/custom-animations-overview.md

@@ -1,6 +1,7 @@
 ---
 title: "Custom Animations Overview"
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "custom classes [WPF], animation"
   - "key frames [WPF], custom"

dotnet-desktop-guide/framework/wpf/graphics-multimedia/drawing-objects-overview.md

@@ -2,6 +2,7 @@
 title: "Drawing Objects Overview"
 description: Get acquainted with objects and how to use them to efficiently draw shapes, bitmaps, text, and media in Windows Presentation Foundation (WPF).
 ms.date: "03/30/2017"
+ms.topic: overview
 helpviewer_keywords: 
   - "ImageDrawing objects [WPF]"
   - "GlyphRunDrawing objects [WPF]"

dotnet-desktop-guide/framework/wpf/introduction-to-wpf.md

@@ -3,7 +3,7 @@ title: Introduction to WPF
 titleSuffix: ""
 description: Create visually stunning user experiences in Windows. Discover the key capabilities and concepts of Windows Presentation Foundation (WPF).
 ms.date: 11/04/2016
-ms.topic: conceptual
+ms.topic: overview
 ms.assetid: b8d7cf43-d1f2-4f3d-adb0-4f3a6428edc0
 dev_langs:
   - csharp

dotnet-desktop-guide/net/wpf/data/data-binding-overview.md

@@ -4,6 +4,7 @@ description: Learn about the different data sources you can add to your project
 author: adegeo
 ms.date: 09/19/2019
 ms.author: adegeo
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/net/wpf/fundamentals/styles-templates-create-apply-style.md

@@ -4,6 +4,7 @@ description: Learn how to create and reference a control style in Windows Presen
 author: adegeo
 ms.author: adegeo
 ms.date: 09/12/2019
+ms.topic: conceptual
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/net/wpf/fundamentals/styles-templates-overview.md

@@ -4,6 +4,7 @@ description: Learn about XAML resources in Windows Presentation Foundation (WPF)
 author: adegeo
 ms.author: adegeo
 ms.date: 09/09/2019
+ms.topic: overview
 dev_langs: 
   - "csharp"
   - "vb"

dotnet-desktop-guide/net/wpf/fundamentals/xaml-resources-define.md

@@ -4,6 +4,7 @@ description: Learn about XAML resources in WPF for .NET Core. Understand the typ
 author: adegeo
 ms.author: adegeo
 ms.date: 08/21/2019
+ms.topic: overview
 ---
 
 # Overview of XAML resources

dotnet-desktop-guide/net/wpf/fundamentals/xaml.md

@@ -4,6 +4,7 @@ description: Learn how the XAML language is structured and implemented by Window
 author: adegeo
 ms.date: 08/08/2019
 ms.author: adegeo
+ms.topic: overview
 dev_langs:
   - "csharp"
   - "vb"

dotnet-desktop-guide/net/wpf/migration/convert-project-from-net-framework.md

@@ -4,6 +4,7 @@ description: Learn how to migrate a Windows Presentation Foundation (WPF) app to
 author: mjrousos
 ms.date: 09/12/2019
 ms.author: mikerou
+ms.topic: how-to
 ---
 
 # Migrating WPF apps to .NET Core

dotnet-desktop-guide/net/wpf/migration/differences-from-net-framework.md

@@ -4,6 +4,7 @@ description: Describes the differences between the .NET Framework implementation
 author: adegeo
 ms.date: 09/21/2019
 ms.author: adegeo
+ms.topic: conceptual
 ---
 
 # Differences in WPF

dotnet-desktop-guide/net/wpf/themes/how-to-create-apply-template.md

@@ -5,6 +5,7 @@ author: adegeo
 ms.author: adegeo
 ms.date: 11/15/2019
 no-loc: ["<Window>", "<ControlTemplate>", "<Ellipse>", "<ContentPresenter>", "<Trigger>", "<Setter>", "<PropertyTrigger>", "<Grid>", "<VisualStateManager.VisualStateGroups>", "<VisualStateGroup>", "<VisualState>", "<Storyboard>", "SizeToContent", "MinWidth", "TargetType", "Title"]
+ms.topic: how-to
 helpviewer_keywords: 
   - "control contract [WPF]"
   - "controls [WPF], visual structure changes"