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Галереи связывания





Галереи связывания

Learn how to draw shapes, such as ellipses, rectangles, polygons, and paths. Path classWindows. Shapes namespaceWindows. Shape classes and Geometry галереи связывания. The main difference between these classes is that a Shape has a brush associated with it and can be rendered to the screen, and a Geometry simply defines a region of галереи связывания and is not rendered unless it helps contribute information to another Галереи связывания property.

This topic covers mainly the Shape classes. For a Shape to render to the app canvas, you must associate a Brush with it. Set the Fill property of the Shape to the Brush you want. For more info about brushes, see Using brushes. A Stroke also requires a Brush that defines its appearance, and should have a non-zero value for StrokeThickness.

An Ellipse is a shape with a curved perimeter. When an Ellipse is positioned in a UI layout, its size is assumed галереи связывания be the same as a rectangle with that Width and Height ; the area outside the perimeter does not have rendering but галереи связывания is part of its layout slot size. A set of 6 Ellipse elements are part of the control template for the ProgressRing control, and 2 concentric Ellipse elements are part of a RadioButton.

Галереи связывания

A Rectangle is a галереи связывания shape with its opposite sides being equal. To create a basic Rectanglespecify a Widthгалереи связывания Heightand a Fill. You can round the corners of a Rectangle. To create rounded corners, specify a value for the RadiusX and RadiusY properties.

These properties specify the x-axis галереи связывания y-axis of an ellipse that defines the curve of the corners. The maximum allowed value of RadiusX is the Width divided by two and the maximum allowed value of RadiusY is the Height divided by two. The next example creates a Rectangle with a Width галереи связывания and a Height of We set the StrokeThickness to 3. Галереи связывания set the RadiusX property to 50 and the RadiusY property to 10, which gives the Rectangle rounded corners.

If your intention is to create a rectangle shape around other content, it might be better to use Border because it can have child content and will automatically size around that content, rather than using the fixed dimensions галереи связывания height and width like Rectangle does. A Border also has the option of having rounded corners if you set the CornerRadius property. On the other hand, a Rectangle is probably a better choice for галереи связывания composition. A Polygon is a shape with a boundary defined by an arbitrary number of points.

The boundary is created by connecting a line галереи связывания one point to the next, with the last point connected to the first point.

Галереи связывания

The Points property defines the collection of points that make up the boundary. In XAML, you define the points with a comma-separated list. In code-behind галереи связывания use a PointCollection to define the points and you add each individual point as a Point value to the collection.

The rendering logic for a Polygon assumes that you are defining a closed shape and will connect the end галереи связывания to the start point implicitly.

The next example creates a Polygon with 4 points set to 10,60,галереи связыванияFor example, a Point is part of the event data for touch events, so you can know exactly where in a coordinate space the touch action occurred. A Line is simply a line галереи связывания between галереи связывания points in coordinate space.

A Line ignores any value provided for Fillbecause it has no interior space. This enables minimal markup for horizontal or vertical lines. You could then use a TranslateTransform to move the entire Lineif галереи связывания wanted it to start at a point other than 0,0.

A Polyline is similar to a Polygon in that the boundary of the shape is defined by a set of points, except the last point галереи связывания a Polyline is not connected to the first point.

Галереи связывания

If you specify a Fill of a Polylinethe Fill paints the interior space of the shape, even if the start point and end point of the Points set for the Polyline do not intersect.

If you do not specify a Fillthen the Polyline is similar to what would have галереи связывания if you had specified several individual Line elements where the start points and end points of consecutive lines intersected. As with a Polygonthe Points property defines the collection of points that make up the boundary. In code-behind, галереи связывания use a PointCollection to define the points and you add each individual point as a Point structure галереи связывания the collection.

This example creates a Polyline with four points set to 10,60,галереи связывания,andA Stroke is defined but not a Fill.

Галереи связывания

Notice that the first and last points are not connected by the Stroke outline as they are in a Polygon. A Path is the most галереи связывания Shape because you can use it to define an arbitrary geometry.

But with this versatility comes complexity. You define the geometry of a path with the Data property. Галереи связывания are two techniques for setting Data:. This example shows a Path that might have resulted from using Blend for Visual Studio to produce just a few vector shapes and then saving the result as XAML.

The total Path consists галереи связывания a Bezier curve segment and a line segment. The example is mainly intended to give you some examples of what elements exist in the Path. Data serialization format and what the numbers represent. This Data begins with the move command, indicated галереи связывания "M", which establishes an absolute start point for галереи связывания path.

The first segment is a cubic Bezier curve that begins atand ends at, which is drawn by using the two control points ,25 andThis segment is indicated by the "C" command in the Data attribute string. The second segment begins with an absolute horizontal line command "H", which галереи связывания a line drawn from the preceding subpath endpointto a new endpointThe next example shows a usage of the other technique we discussed: This example exercises some of the contributing geometry types that can be used as part of a PathGeometry: PathFigure and the various elements that can be a segment in PathFigure.

Using PathGeometry may be more галереи связывания than populating a Path. On the other hand, Path. Our new feedback system is built on GitHub Галереи связывания.

Галереи связывания

Read about this change in our blog галереи связывания. Fill and Stroke for shapes For a Shape to render to the app canvas, галереи связывания must associate a Brush with it. Ellipse An Ellipse is a shape with a curved perimeter. Rectangle A Rectangle is a four-sided shape with its opposite sides being equal. Polygon A Polygon is a shape with a boundary defined by an arbitrary number of points. Point 10, ; points. Point 60, ; points. Point; points. Галереи связывания; polygon1.

Галереи связывания A Line is simply a line drawn between two points in coordinate space. Add line1 ; Polyline A Polyline is similar to a Polygon in that the boundary of the shape is defined by a set of points, except галереи связывания last point in a Галереи связывания is not connected to the first point. Point; polyline1. Path A Path is the most versatile Shape because you can use it to define an arbitrary geometry.

There are two techniques for setting Data: In this form, the Path. Data value is consuming a serialization format for graphics.

Instead, you use design tools that enable you to work in a design or drawing metaphor on a surface. You can set the Data property to a single Geometry object. This can be done in code or in XAML. That single Geometry is typically a GeometryGroupwhich acts as a container that can composite multiple geometry definitions into a single object for purposes of the object model. The most common reason for doing this is because you want to use one or more of the curves and complex shapes that can be галереи связывания as Segments values for a PathFigurefor example BezierSegment.

FromArgb,; path1. Add rectangleGeometry1 ; geometryGroup1.

Галереи связывания

Point 50, 50 ; pathFigureCollection1. Add pathFigure1 ; pathGeometry1. Галереи связывания pathSegment2 ; pathFigure1. Add pathGeometry1 ; path1. Product feedback Галереи связывания in to give documentation feedback Content feedback You may also leave feedback directly on GitHub.

Галереи связывания

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