dotnet · adegeo · Aug 1, 2022 · Jul 19, 2022 · Jul 19, 2022 · Jul 27, 2022
diff --git a/...guide/framework/wpf/graphics-multimedia/how-to-hit-test-geometry-in-a-visual.md b/...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/...ktop-guide/framework/wpf/graphics-multimedia/how-to-hit-test-in-a-viewport3d.md b/...ktop-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 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"

diff --git a/...amework/wpf/graphics-multimedia/how-to-hit-test-using-a-win32-host-container.md b/...amework/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/...mework/wpf/graphics-multimedia/how-to-hit-test-using-geometry-as-a-parameter.md b/...mework/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/...aphics-multimedia/how-to-improve-rendering-performance-by-caching-an-element.md b/...aphics-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/...guide/framework/wpf/graphics-multimedia/how-to-interactively-control-a-clock.md b/...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/...guide/framework/wpf/graphics-multimedia/how-to-make-an-element-spin-in-place.md b/...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/...pf/graphics-multimedia/how-to-modify-the-cap-at-the-end-of-a-line-or-segment.md b/...pf/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/...-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-drawing.md b/...-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/...ramework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-linear-gradient.md b/...ramework/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/...ramework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-radial-gradient.md b/...ramework/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/...de/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-solid-color.md b/...de/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/...e/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-system-brush.md b/...e/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/...p-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-a-visual.md b/...p-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/...p-guide/framework/wpf/graphics-multimedia/how-to-paint-an-area-with-an-image.md b/...p-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/...op-guide/framework/wpf/graphics-multimedia/how-to-play-media-with-animations.md b/...op-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/...multimedia/how-to-preserve-the-aspect-ratio-of-an-image-used-as-a-background.md b/...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/...p-guide/framework/wpf/graphics-multimedia/how-to-read-metadata-from-a-bitmap.md b/...p-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/...ics-multimedia/how-to-render-on-a-per-frame-interval-using-compositiontarget.md b/...ics-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/...t-desktop-guide/framework/wpf/graphics-multimedia/how-to-repeat-an-animation.md b/...t-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/...desktop-guide/framework/wpf/graphics-multimedia/how-to-repeat-media-playback.md b/...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/...ultimedia/how-to-rotate-an-object-by-using-a-geometric-path-matrix-animation.md b/...ultimedia/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/...rk/wpf/graphics-multimedia/how-to-rotate-an-object-by-using-a-geometric-path.md b/...rk/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
@@ -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/...work/wpf/graphics-multimedia/how-to-round-the-corners-of-a-rectanglegeometry.md b/...work/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
@@ -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/...op-guide/framework/wpf/graphics-multimedia/how-to-seek-a-clock-synchronously.md b/...op-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/...ide/framework/wpf/graphics-multimedia/how-to-set-a-duration-for-an-animation.md b/...ide/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/...e/framework/wpf/graphics-multimedia/how-to-set-the-tile-size-for-a-tilebrush.md b/...e/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/.../wpf/graphics-multimedia/how-to-simplify-animations-by-using-child-timelines.md b/.../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]"