From cda3aad64cdb9f57f47495758e7f0c1452e687f2 Mon Sep 17 00:00:00 2001
From: annmariehitchcock <106630431+annmariehitchcock@users.noreply.github.com>
Date: Tue, 19 Jul 2022 11:20:01 -0700
Subject: [PATCH 1/3] Validation: Fix missing descriptions Set 1

---
 .../graphics-multimedia/how-to-hit-test-geometry-in-a-visual.md  | 1 +
 .../wpf/graphics-multimedia/how-to-hit-test-in-a-viewport3d.md   | 1 +
 .../how-to-hit-test-using-a-win32-host-container.md              | 1 +
 .../how-to-hit-test-using-geometry-as-a-parameter.md             | 1 +
 ...how-to-improve-rendering-performance-by-caching-an-element.md | 1 +
 .../graphics-multimedia/how-to-interactively-control-a-clock.md  | 1 +
 .../graphics-multimedia/how-to-make-an-element-spin-in-place.md  | 1 +
 .../how-to-modify-the-cap-at-the-end-of-a-line-or-segment.md     | 1 +
 .../graphics-multimedia/how-to-paint-an-area-with-a-drawing.md   | 1 +
 .../how-to-paint-an-area-with-a-linear-gradient.md               | 1 +
 .../how-to-paint-an-area-with-a-radial-gradient.md               | 1 +
 .../how-to-paint-an-area-with-a-solid-color.md                   | 1 +
 .../how-to-paint-an-area-with-a-system-brush.md                  | 1 +
 .../graphics-multimedia/how-to-paint-an-area-with-a-visual.md    | 1 +
 .../graphics-multimedia/how-to-paint-an-area-with-an-image.md    | 1 +
 .../wpf/graphics-multimedia/how-to-play-media-with-animations.md | 1 +
 ...preserve-the-aspect-ratio-of-an-image-used-as-a-background.md | 1 +
 .../graphics-multimedia/how-to-read-metadata-from-a-bitmap.md    | 1 +
 ...-to-render-on-a-per-frame-interval-using-compositiontarget.md | 1 +
 .../wpf/graphics-multimedia/how-to-repeat-an-animation.md        | 1 +
 .../wpf/graphics-multimedia/how-to-repeat-media-playback.md      | 1 +
 ...otate-an-object-by-using-a-geometric-path-matrix-animation.md | 1 +
 .../how-to-rotate-an-object-by-using-a-geometric-path.md         | 1 +
 .../framework/wpf/graphics-multimedia/how-to-rotate-an-object.md | 1 +
 .../how-to-round-the-corners-of-a-rectanglegeometry.md           | 1 +
 .../framework/wpf/graphics-multimedia/how-to-scale-an-element.md | 1 +
 .../wpf/graphics-multimedia/how-to-seek-a-clock-synchronously.md | 1 +
 .../how-to-set-a-duration-for-an-animation.md                    | 1 +
 .../how-to-set-the-tile-size-for-a-tilebrush.md                  | 1 +
 .../how-to-simplify-animations-by-using-child-timelines.md       | 1 +
 30 files changed, 30 insertions(+)

diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-geometry-in-a-visual.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-geometry-in-a-visual.md
index bf8ab6fc62..aa22fafaa9 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-geometry-in-a-visual.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-geometry-in-a-visual.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Hit Test Geometry in a Visual"
+description: Learn how to perform a hit test on a visual object that is composed of one or more Geometry objects.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-in-a-viewport3d.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-in-a-viewport3d.md
index 8b062c6754..fc613ade14 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-in-a-viewport3d.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-in-a-viewport3d.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Hit Test in a Viewport3D"
+description: Learn how to execute a hit test for 3D Visuals in the bounds of a Viewport3D element containing 2D and 3D information.
 ms.date: "03/30/2017"
 dev_langs:
   - "csharp"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-using-a-win32-host-container.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-using-a-win32-host-container.md
index e5e9e8ba90..5e608f7598 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-using-a-win32-host-container.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-using-a-win32-host-container.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Hit Test Using a Win32 Host Container"
+description: Learn how to set up mouse event handlers for a Win32 window that is used as a host container for visual objects to execute a hit test.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-using-geometry-as-a-parameter.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-using-geometry-as-a-parameter.md
index f6e8037202..2aa65bf591 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-using-geometry-as-a-parameter.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-using-geometry-as-a-parameter.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Hit Test Using Geometry as a Parameter"
+description: Learn about how to perform a hit test on a visual object using a Geometry object as a hit test parameter.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-improve-rendering-performance-by-caching-an-element.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-improve-rendering-performance-by-caching-an-element.md
index 467e5da4dd..bc643d0c74 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-improve-rendering-performance-by-caching-an-element.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-improve-rendering-performance-by-caching-an-element.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Improve Rendering Performance by Caching an Element"
+description: Learn about how to use the BitmapCache class to improve rendering performance of a complex UIElement.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "rendering performance [WPF], caching an element"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-interactively-control-a-clock.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-interactively-control-a-clock.md
index 63bf9dccd2..df548a45dd 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-interactively-control-a-clock.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-interactively-control-a-clock.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Interactively Control a Clock"
+description: Learn how to use a Clock object's ClockController property to interactively start, pause, resume, seek, advance, and stop the clock.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-make-an-element-spin-in-place.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-make-an-element-spin-in-place.md
index 76ea5b783b..86e9a5ccb2 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-make-an-element-spin-in-place.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-make-an-element-spin-in-place.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Make an Element Spin in Place"
+description: Learn how to make an element spin in place by using the RotateTransform and DoubleAnimation properties of the element.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "graphics [WPF], spinning elements"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-modify-the-cap-at-the-end-of-a-line-or-segment.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-modify-the-cap-at-the-end-of-a-line-or-segment.md
index 40c30bd192..0ff739f4b0 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-modify-the-cap-at-the-end-of-a-line-or-segment.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-modify-the-cap-at-the-end-of-a-line-or-segment.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Modify the Cap at the End of a Line or Segment"
+description: Learn how to modify the shape at the start or end cap of a line or segment using StrokeStartLineCap or StrokeEndLineCap.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "Shape elements [WPF], ends"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-drawing.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-drawing.md
index 89912a5a5a..623c886ed8 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-drawing.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-drawing.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Paint an Area with a Drawing"
+description: Learn about how to paint an area with a drawing using a DrawingBrush and one or more Drawing objects.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-linear-gradient.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-linear-gradient.md
index b8abf9df29..364c40c45c 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-linear-gradient.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-linear-gradient.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Paint an Area with a Linear Gradient"
+description: Learn how to paint an area with a linear gradient to transition the color using the LinearGradientBrush class.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "linear gradients [WPF], painting with"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-radial-gradient.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-radial-gradient.md
index ae0cba32e5..3397bae8f3 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-radial-gradient.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-radial-gradient.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Paint an Area with a Radial Gradient"
+description: Learn how to paint an area with a radial gradient to transition the color using the RadialGradientBrush class.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-solid-color.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-solid-color.md
index fb72012733..6a69c8f7e6 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-solid-color.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-solid-color.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Paint an Area with a Solid Color"
+description: Learn how to paint an area with a solid color using a predefined system brush or by creating a new SolidColorBrush.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "solid colors [WPF], painting with"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-system-brush.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-system-brush.md
index 45ee6faaa7..5e28acfe91 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-system-brush.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-system-brush.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Paint an Area with a System Brush"
+description: Learn how to use a system brush SolidColorBrush object to paint an area with the specified system color.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "system brushes [WPF], painting with"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-visual.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-visual.md
index ae9f3b3f89..f0467e9ddf 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-visual.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-visual.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Paint an Area with a Visual"
+description: Learn how to use the VisualBrush class to paint an area with a Visual in Windows Presentation Foundation (WPF).
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-an-image.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-an-image.md
index 85a1d9e637..25d428225c 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-an-image.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-an-image.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Paint an Area with an Image"
+description: Learn how to paint an area with an image using the ImageBrush class. An ImageBrush displays a single image specified by its ImageSource property.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-play-media-with-animations.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-play-media-with-animations.md
index 0fc7bd05c5..49a0f2384e 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-play-media-with-animations.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-play-media-with-animations.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Play Media with Animations"
+description: Learn how to play media and animations at the same time by using the MediaTimeline and DoubleAnimationUsingKeyFrames classes in the same Storyboard.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "multimedia [WPF], playback with animations"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-preserve-the-aspect-ratio-of-an-image-used-as-a-background.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-preserve-the-aspect-ratio-of-an-image-used-as-a-background.md
index e09ffc0401..f101a5665c 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-preserve-the-aspect-ratio-of-an-image-used-as-a-background.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-preserve-the-aspect-ratio-of-an-image-used-as-a-background.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Preserve the Aspect Ratio of an Image Used as a Background"
+description: Learn how to preserve the aspect ratio of an image by setting the Stretch property of an ImageBrush to Uniform or UniformToFill.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "aspect ratios of background images [WPF], preserving"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-read-metadata-from-a-bitmap.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-read-metadata-from-a-bitmap.md
index 4169ee428e..87a07f777a 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-read-metadata-from-a-bitmap.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-read-metadata-from-a-bitmap.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Read Metadata from a Bitmap"
+description: Learn how to read bitmap metadata using the metadata query language in Windows Presentation Foundation (WPF).
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-render-on-a-per-frame-interval-using-compositiontarget.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-render-on-a-per-frame-interval-using-compositiontarget.md
index 2183789429..4e49af9633 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-render-on-a-per-frame-interval-using-compositiontarget.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-render-on-a-per-frame-interval-using-compositiontarget.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Render on a Per Frame Interval Using CompositionTarget"
+description: Learn how to use the CompositionTarget object to create custom animations based on a per-frame callback.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-repeat-an-animation.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-repeat-an-animation.md
index 0d1b307f2a..c4e97827b3 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-repeat-an-animation.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-repeat-an-animation.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Repeat an Animation"
+description: Learn how to use the RepeatBehavior property of a Timeline to control the repeat behavior of an animation.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "RepeatBehavior property of timelines [WPF]"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-repeat-media-playback.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-repeat-media-playback.md
index 138600e9ed..d381c3d9c6 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-repeat-media-playback.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-repeat-media-playback.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Repeat Media Playback"
+description: Learn how to use MediaElement and MediaTimeline in a Storyboard to play a media clip in an infinite loop.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "media [WPF], repeating playback"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-rotate-an-object-by-using-a-geometric-path-matrix-animation.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-rotate-an-object-by-using-a-geometric-path-matrix-animation.md
index 07266e80e0..3fcc4d6f59 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-rotate-an-object-by-using-a-geometric-path-matrix-animation.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-rotate-an-object-by-using-a-geometric-path-matrix-animation.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Rotate an Object by Using a Geometric Path (Matrix Animation)"
+description: Learn how to use a MatrixAnimationUsingPath and a MatrixTransform to rotate an object along a geometric path defined by a PathGeometry object.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-rotate-an-object-by-using-a-geometric-path.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-rotate-an-object-by-using-a-geometric-path.md
index 8c42234bf5..be9cb8d5f4 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-rotate-an-object-by-using-a-geometric-path.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-rotate-an-object-by-using-a-geometric-path.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Rotate an Object by Using a Geometric Path"
+description: Learn how to use DoubleAnimationUsingPath objects to rotate an object along a geometric path that is defined by a PathGeometry object.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-rotate-an-object.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-rotate-an-object.md
index 1ce8fc276f..e5636fab43 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-rotate-an-object.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-rotate-an-object.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Rotate an Object"
+description: Learn how to use the RotateTransform properties CenterX and CenterY to rotate an object at a specified degree.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-round-the-corners-of-a-rectanglegeometry.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-round-the-corners-of-a-rectanglegeometry.md
index de4e16d549..5b72d67fbd 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-round-the-corners-of-a-rectanglegeometry.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-round-the-corners-of-a-rectanglegeometry.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Round the Corners of a RectangleGeometry"
+description: Learn how to round the corners of a RectangleGeometry by setting  its RadiusX and RadiusY properties to a value greater than zero.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "corners [WPF], rounding"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-scale-an-element.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-scale-an-element.md
index f054e4d90c..35b5f183c9 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-scale-an-element.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-scale-an-element.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Scale an Element"
+description: Learn how to scale an element using ScaleTransform and its properties ScaleX, ScaleY, CenterX, and CenterY.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "scaling [WPF], elements"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-seek-a-clock-synchronously.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-seek-a-clock-synchronously.md
index ecb322d22c..86b0349072 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-seek-a-clock-synchronously.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-seek-a-clock-synchronously.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Seek a Clock Synchronously"
+description: Learn how to use the the Seek and SeekAlignedToLastTick methods of a ClockController to seek a clock to a specific point synchronously.
 ms.date: "03/30/2017"
 dev_langs: 
   - "csharp"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-set-a-duration-for-an-animation.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-set-a-duration-for-an-animation.md
index d1ce6ba234..ed5938c508 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-set-a-duration-for-an-animation.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-set-a-duration-for-an-animation.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Set a Duration for an Animation"
+description: Learn how to set a Duration for an animation with a specific, finite time or the special values Automatic or Forever.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "animation [WPF], duration"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-set-the-tile-size-for-a-tilebrush.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-set-the-tile-size-for-a-tilebrush.md
index eb5919e02b..a36956e06d 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-set-the-tile-size-for-a-tilebrush.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-set-the-tile-size-for-a-tilebrush.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Set the Tile Size for a TileBrush"
+description: Learn how to set the tile size for a TileBrush by setting the Viewport and ViewportUnits properties.
 ms.date: "03/30/2017"
 helpviewer_keywords:
   - "TileBrush [WPF], size of tile properties"
diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-simplify-animations-by-using-child-timelines.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-simplify-animations-by-using-child-timelines.md
index d2b5ce482e..079ee00a02 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-simplify-animations-by-using-child-timelines.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-simplify-animations-by-using-child-timelines.md
@@ -1,5 +1,6 @@
 ---
 title: "How to: Simplify Animations by Using Child Timelines"
+description: Learn how to simplify animations by using one or more ParallelTimeline objects as nested child elements of a Storyboard.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "simplifying animations by child timelines [WPF]"

From 1b81f6dc91e2a531352ead805276cb79a3d77171 Mon Sep 17 00:00:00 2001
From: annmariehitchcock <106630431+annmariehitchcock@users.noreply.github.com>
Date: Tue, 19 Jul 2022 11:45:44 -0700
Subject: [PATCH 2/3] Validation: Fix missing descriptions Set 2

---
 .../how-to-round-the-corners-of-a-rectanglegeometry.md          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-round-the-corners-of-a-rectanglegeometry.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-round-the-corners-of-a-rectanglegeometry.md
index 5b72d67fbd..627e3e2aa2 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-round-the-corners-of-a-rectanglegeometry.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-round-the-corners-of-a-rectanglegeometry.md
@@ -1,6 +1,6 @@
 ---
 title: "How to: Round the Corners of a RectangleGeometry"
-description: Learn how to round the corners of a RectangleGeometry by setting  its RadiusX and RadiusY properties to a value greater than zero.
+description: Learn how to round the corners of a RectangleGeometry by setting its RadiusX and RadiusY properties to a value greater than zero.
 ms.date: "03/30/2017"
 helpviewer_keywords: 
   - "corners [WPF], rounding"

From 63304fc8b10892eec7d3acb0055eaa80729d62f3 Mon Sep 17 00:00:00 2001
From: Ann Marie Hitchcock
 <106630431+annmariehitchcock@users.noreply.github.com>
Date: Wed, 27 Jul 2022 11:25:13 -0700
Subject: [PATCH 3/3] Update
 dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-in-a-viewport3d.md

Co-authored-by: Andy (Steve) De George <67293991+adegeo@users.noreply.github.com>
---
 .../wpf/graphics-multimedia/how-to-hit-test-in-a-viewport3d.md  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-in-a-viewport3d.md b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-in-a-viewport3d.md
index fc613ade14..0b7530aee7 100644
--- a/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-in-a-viewport3d.md
+++ b/dotnet-desktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-in-a-viewport3d.md
@@ -1,6 +1,6 @@
 ---
 title: "How to: Hit Test in a Viewport3D"
-description: Learn how to execute a hit test for 3D Visuals in the bounds of a Viewport3D element containing 2D and 3D information.
+description: Learn how to perform a hit test for 3D Visuals in the bounds of a Viewport3D element containing 2D and 3D information.
 ms.date: "03/30/2017"
 dev_langs:
   - "csharp"