Rect Rect Rect Rect Struct

Definição

Descreve a largura, altura e local de um retângulo.Describes the width, height, and location of a rectangle.

public value class Rect : IFormattable
[System.ComponentModel.TypeConverter(typeof(System.Windows.RectConverter))]
[System.Serializable]
public struct Rect : IFormattable
type Rect = struct
    interface IFormattable
Public Structure Rect
Implements IFormattable
Herança
Atributos
Implementações

Exemplos

O exemplo a seguir mostra como usar uma Rect estrutura para especificar as dimensões e o local de um retângulo usando XAML.The following example shows how to use a Rect structure to specify the dimensions and location of a rectangle using XAML.

using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Shapes;

namespace SDKSample
{
    public partial class RectExample : Page
    {
        public RectExample()
        {   
            Path myPath1 = new Path();
            myPath1.Stroke = Brushes.Black;
            myPath1.StrokeThickness = 1;
            SolidColorBrush mySolidColorBrush = new SolidColorBrush();
            mySolidColorBrush.Color = Color.FromArgb(255, 204, 204, 255);
            myPath1.Fill = mySolidColorBrush;

            // Create the rectangle.
            // This RectangleGeometry specifies a rectangle that is 100 pixels high and
            // 150 wide. The left side of the rectangle is 10 pixels from the left of the 
            // Canvas and the top side of the rectangle is 100 pixels from the top of the Canvas.  
            // Note: You could alternatively use the Rect Constructor to create this:
            // Rect my Rect1 = new Rect(10,100,150,100");
            Rect myRect1 = new Rect();
            myRect1.X = 10;
            myRect1.Y = 100;
            myRect1.Width = 150;
            myRect1.Height = 100;
            RectangleGeometry myRectangleGeometry1 = new RectangleGeometry();
            myRectangleGeometry1.Rect = myRect1;

            GeometryGroup myGeometryGroup1 = new GeometryGroup();
            myGeometryGroup1.Children.Add(myRectangleGeometry1);

            myPath1.Data = myGeometryGroup1;

            Path myPath2 = new Path();
            myPath2.Stroke = Brushes.Black;
            myPath2.StrokeThickness = 1;
            myPath2.Fill = mySolidColorBrush;

            // Create the rectangle.
            // This Rect uses the Size property to specify a height of 50 and width
            // of 200. The Location property uses a Point value to determine the location of the
            // top-left corner of the rectangle.
            Rect myRect2 = new Rect();
            myRect2.Size = new Size(50, 200);
            myRect2.Location = new Point(300, 100);
            RectangleGeometry myRectangleGeometry2 = new RectangleGeometry();
            myRectangleGeometry2.Rect = myRect2;

            GeometryGroup myGeometryGroup2 = new GeometryGroup();
            myGeometryGroup2.Children.Add(myRectangleGeometry2);

            myPath2.Data = myGeometryGroup2;

            // Add path shape to the UI.
            Canvas myCanvas = new Canvas();
            myCanvas.Children.Add(myPath1);
            myCanvas.Children.Add(myPath2);
            this.Content = myCanvas;       
        }
    }

}

Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Media
Imports System.Windows.Shapes

Namespace SDKSample
    Partial Public Class RectExample
        Inherits Page
        Public Sub New()
            Dim myPath1 As New Path()
            myPath1.Stroke = Brushes.Black
            myPath1.StrokeThickness = 1
            Dim mySolidColorBrush As New SolidColorBrush()
            mySolidColorBrush.Color = Color.FromArgb(255, 204, 204, 255)
            myPath1.Fill = mySolidColorBrush

            ' Create the rectangle.
            ' This RectangleGeometry specifies a rectangle that is 100 pixels high and
            ' 150 wide. The left side of the rectangle is 10 pixels from the left of the 
            ' Canvas and the top side of the rectangle is 100 pixels from the top of the Canvas.  
            ' Note: You could alternatively use the Rect Constructor to create this:
            ' Dim myRect1 As New Rect(10,100,150,100")
            Dim myRect1 As New Rect()
            myRect1.X = 10
            myRect1.Y = 100
            myRect1.Width = 150
            myRect1.Height = 100
            Dim myRectangleGeometry1 As New RectangleGeometry()
            myRectangleGeometry1.Rect = myRect1

            Dim myGeometryGroup1 As New GeometryGroup()
            myGeometryGroup1.Children.Add(myRectangleGeometry1)

            myPath1.Data = myGeometryGroup1

            Dim myPath2 As New Path()
            myPath2.Stroke = Brushes.Black
            myPath2.StrokeThickness = 1
            myPath2.Fill = mySolidColorBrush

            ' Create the rectangle.
            ' This Rect uses the Size property to specify a height of 50 and width
            ' of 200. The Location property uses a Point value to determine the location of the
            ' top-left corner of the rectangle.
            Dim myRect2 As New Rect()
            myRect2.Size = New Size(50, 200)
            myRect2.Location = New Point(300, 100)
            Dim myRectangleGeometry2 As New RectangleGeometry()
            myRectangleGeometry2.Rect = myRect2

            Dim myGeometryGroup2 As New GeometryGroup()
            myGeometryGroup2.Children.Add(myRectangleGeometry2)

            myPath2.Data = myGeometryGroup2

            ' Add path shape to the UI.
            Dim myCanvas As New Canvas()
            myCanvas.Children.Add(myPath1)
            myCanvas.Children.Add(myPath2)
            Me.Content = myCanvas
        End Sub
    End Class

End Namespace
<Page  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
  <Canvas>
    
    <!-- This rectangle demonstrates using the X, Y, Width, and Height properties
         of a Rect object. -->
    <Path Stroke="Black" StrokeThickness="1" Fill="LemonChiffon">
      <Path.Data>

        <!-- This RectangleGeometry specifies a rectangle that is 100 pixels high and
             150 wide. The left side of the rectangle is 10 pixels from the left of the 
             Canvas and the top side of the rectangle is 100 pixels from the top of the Canvas.  
             Note: An abbreviated syntax for creating an equivalent rectangle is:
             <RectangleGeometry Rect="10,100,150,100" /> -->
        <RectangleGeometry>
          <RectangleGeometry.Rect>
            <Rect X="10" Y="100" Width="150" Height="100" />
          </RectangleGeometry.Rect>
        </RectangleGeometry>
      </Path.Data>
    </Path>

    <!-- This rectangle demonstrates using the Size and Location properties of a Rect object. -->
    <Path Stroke="Black" StrokeThickness="1" Fill="LemonChiffon">
      <Path.Data>

        <!-- This RectangleGeometry uses the Size property to specify a height of 50 and width
             of 200. The Location property uses a Point value to determine the location of the
             top-left corner of the rectangle. /> -->
        <RectangleGeometry>
          <RectangleGeometry.Rect>
            <Rect Size="50,200" Location="300,100" />
          </RectangleGeometry.Rect>
        </RectangleGeometry>
      </Path.Data>
    </Path>
  </Canvas>
</Page>

O exemplo a seguir mostra como usar o código para criar um retângulo e adicioná-lo à página.The following example shows how to use code to create a rectangle and add it to the page. O exemplo também ilustra como localizar informações de tamanho e coordenada sobre o novo retângulo e renderizar as informações TextBox abaixo do retângulo.The example also illustrates how to find size and coordinate information about the new rectangle and render the information in a TextBox below the rectangle.

// Create a rectangle and add it to the page. Also,
// find size and coordinate information about this
// new rectangle and render information in a TextBox 
// below the rectangle.
private StackPanel createRectExample1()
{
    // Initialize new rectangle.
    Rect myRectangle = new Rect();

    // The Location property specifies the coordinates of the upper left-hand 
    // corner of the rectangle. Set the Location property to an X coordinate of 10 and a
    // Y coordinate of 5. 
    myRectangle.Location = new Point(10, 5);

    // Set the Size property of the rectangle with a width of 200
    // and a height of 50.
    myRectangle.Size = new Size(200, 50);

    RectangleGeometry myRectangleGeometry = new RectangleGeometry();
    myRectangleGeometry.Rect = myRectangle;

    // This path is defined by the rectangle.
    Path myPath = new Path();
    myPath.Fill = Brushes.LemonChiffon;
    myPath.Stroke = Brushes.Black;
    myPath.StrokeThickness = 1;
    myPath.Data = myRectangleGeometry;

    //////////// Create string of rectangle property information /////////////
    // This string will contain all the size and coordinate property
    // information about the rectangle.
    /////////////////////////////////////////////////////////////////////////
    string rectInfo = "Rectangle Property Information: ";

    // Bottom property gets the y-axis value of the bottom of the rectangle. 
    // For this rectangle the value is 55.
    rectInfo = rectInfo + "Bottom: " + myRectangle.Bottom;

    // BottomLeft property gets the coordinates of the bottom left corner of the rectangle. 
    // For this rectangle the value is 10,55.
    rectInfo = rectInfo + "| BottomLeft: " + myRectangle.BottomLeft;

    // BottomRight property gets the coordinates of the bottom right corner of the rectangle. 
    // For this rectangle the value is 210,55.
    rectInfo = rectInfo + "| BottomRight: " + myRectangle.BottomRight;

    // Height property gets or sets the height of the rectangle. 
    // For this rectangle the value is 50.
    rectInfo = rectInfo + "| Height: " + myRectangle.Height;

    // Width property gets or sets the width of the rectangle. 
    // For this rectangle the value is 200.
    rectInfo = rectInfo + "| Width: " + myRectangle.Width;

    // Left property gets the x-axis position of the left side of the rectangle which is 
    // equivalent to getting the rectangle's X property. 
    // For this rectangle the value is 10.
    rectInfo = rectInfo + "| Left: " + myRectangle.Left;

    // Location property gets or sets the position of the rectangle's top-left corner.
    // For this rectangle the value is 10,5.
    rectInfo = rectInfo + "| Location: " + myRectangle.Location;

    // Right property gets the x-axis value of the right side of the rectangle. 
    // For this rectangle the value is 210.
    rectInfo = rectInfo + "| Right: " + myRectangle.Right;

    // Size property gets or sets the width and height of the rectangle.  
    // For this rectangle the value is 200,50.
    rectInfo = rectInfo + "| Size: " + myRectangle.Size;

    // Top property gets the y-axis position of the top of the rectangle which is 
    // equivalent to getting the rectangle's Y property.
    // For this rectangle the value is 5.
    rectInfo = rectInfo + "| Top: " + myRectangle.Top;

    // TopLeft property gets the position of the top-left corner of the rectangle, which 
    // is equivalent to (X, Y).   
    // For this rectangle the value is 10,5.
    rectInfo = rectInfo + "| TopLeft: " + myRectangle.TopLeft;

    // TopRight property gets the position of the top-left corner of the rectangle, which 
    // is equivalent to (X + Width, Y).   
    // For this rectangle the value is 210,5.
    rectInfo = rectInfo + "| TopRight: " + myRectangle.TopRight;

    // X property gets or sets the location of the rectangle's left side.  
    // For this rectangle the value is 10.
    rectInfo = rectInfo + "| X: " + myRectangle.X;

    // Y property gets or sets the location of the rectangle's top side.  
    // For this rectangle the value is 5.
    rectInfo = rectInfo + "| Y: " + myRectangle.Y;

    //////// End of creating string containing rectangle property information ////////

    // This StackPanel will contain the rectangle and TextBlock.
    StackPanel parentPanel = new StackPanel();

    // Add the rectangle path to the StackPanel. This will display the rectangle.
    parentPanel.Children.Add(myPath);

    // Add a TextBlock to display the rectangle's size and coordinate information.
    TextBlock myTextBlock = new TextBlock();
    myTextBlock.Text = rectInfo;
    parentPanel.Children.Add(myTextBlock);

    // Return the parent container to be displayed to the screen.
    return parentPanel;
}

Comentários

Uso do Atributo XAMLXAML Attribute Usage

<object property="x,y,width,height"/>  

Valores XAMLXAML Values

xx
System.Double

O local da coordenada x do lado esquerdo do retângulo.The x-coordinate location of the left side of the rectangle.

yy
System.Double

O local da coordenada y do lado superior do retângulo.The y-coordinate location of the top side of the rectangle.

widthwidth
System.Double

Um valor não negativo que representa o Width do retângulo.A non-negative value that represents the Width of the rectangle.

heightheight
System.Double

Um valor não negativo que representa o Height do retângulo.A non-negative value that represents the Height of the rectangle.

Construtores

Rect(Size) Rect(Size) Rect(Size) Rect(Size)

Inicializa uma nova instância da estrutura Rect que é do tamanho especificado e está localizada em (0,0).Initializes a new instance of the Rect structure that is of the specified size and is located at (0,0).

Rect(Point, Point) Rect(Point, Point) Rect(Point, Point) Rect(Point, Point)

Inicializa uma nova instância da estrutura Rect que é exatamente grande o suficiente para conter os dois pontos especificados.Initializes a new instance of the Rect structure that is exactly large enough to contain the two specified points.

Rect(Point, Size) Rect(Point, Size) Rect(Point, Size) Rect(Point, Size)

Inicializa uma nova instância da estrutura Rect que tem o local do canto superior esquerdo especificado e a altura e largura especificadas.Initializes a new instance of the Rect structure that has the specified top-left corner location and the specified width and height.

Rect(Point, Vector) Rect(Point, Vector) Rect(Point, Vector) Rect(Point, Vector)

Inicializa uma nova instância da estrutura Rect com tamanho suficiente exatamente para conter o ponto especificado e a soma do ponto e do vetor especificados.Initializes a new instance of the Rect structure that is exactly large enough to contain the specified point and the sum of the specified point and the specified vector.

Rect(Double, Double, Double, Double) Rect(Double, Double, Double, Double) Rect(Double, Double, Double, Double) Rect(Double, Double, Double, Double)

Inicializa uma nova instância da estrutura Rect, que tem a coordenada X, a coordenada Y, a largura e a altura especificadas.Initializes a new instance of the Rect structure that has the specified x-coordinate, y-coordinate, width, and height.

Propriedades

Bottom Bottom Bottom Bottom

Obtém o valor do eixo y da parte inferior do retângulo.Gets the y-axis value of the bottom of the rectangle.

BottomLeft BottomLeft BottomLeft BottomLeft

Obtém a posição do canto inferior esquerdo do retânguloGets the position of the bottom-left corner of the rectangle

BottomRight BottomRight BottomRight BottomRight

Obtém a posição do canto inferior direito do retângulo.Gets the position of the bottom-right corner of the rectangle.

Empty Empty Empty Empty

Obtém um valor especial que representa um retângulo sem posição ou área.Gets a special value that represents a rectangle with no position or area.

Height Height Height Height

Obtém ou define a altura do retângulo.Gets or sets the height of the rectangle.

IsEmpty IsEmpty IsEmpty IsEmpty

Obtém um valor que indica se o retângulo é o retângulo Empty.Gets a value that indicates whether the rectangle is the Empty rectangle.

Left Left Left Left

Obtém o valor do eixo x do lado esquerdo do retângulo.Gets the x-axis value of the left side of the rectangle.

Location Location Location Location

Obtém ou define a posição do canto superior esquerdo do retângulo.Gets or sets the position of the top-left corner of the rectangle.

Right Right Right Right

Obtém o valor do eixo x do lado direito do retângulo.Gets the x-axis value of the right side of the rectangle.

Size Size Size Size

Obtém ou define a largura e a altura do retângulo.Gets or sets the width and height of the rectangle.

Top Top Top Top

Obtém a posição do eixo y da parte superior do retângulo.Gets the y-axis position of the top of the rectangle.

TopLeft TopLeft TopLeft TopLeft

Obtém a posição do canto superior esquerdo do retângulo.Gets the position of the top-left corner of the rectangle.

TopRight TopRight TopRight TopRight

Obtém a posição do canto superior direito do retângulo.Gets the position of the top-right corner of the rectangle.

Width Width Width Width

Obtém ou define a largura do retângulo.Gets or sets the width of the rectangle.

X X X X

Obtém ou define o valor do eixo X do lado esquerdo do retângulo.Gets or sets the x-axis value of the left side of the rectangle.

Y Y Y Y

Obtém ou define o valor do eixo y do lado superior do retângulo.Gets or sets the y-axis value of the top side of the rectangle.

Métodos

Contains(Point) Contains(Point) Contains(Point) Contains(Point)

Indica se o retângulo que contém o ponto especificado.Indicates whether the rectangle contains the specified point.

Contains(Rect) Contains(Rect) Contains(Rect) Contains(Rect)

Indica se o retângulo contém o retângulo especificado.Indicates whether the rectangle contains the specified rectangle.

Contains(Double, Double) Contains(Double, Double) Contains(Double, Double) Contains(Double, Double)

Indica se o retângulo contém a coordenada x e a coordenada y especificadas.Indicates whether the rectangle contains the specified x-coordinate and y-coordinate.

Equals(Rect, Rect) Equals(Rect, Rect) Equals(Rect, Rect) Equals(Rect, Rect)

Indica se os retângulos especificados são iguais.Indicates whether the specified rectangles are equal.

Equals(Object) Equals(Object) Equals(Object) Equals(Object)

indica se o objeto especificado é igual ao retângulo atual.Indicates whether the specified object is equal to the current rectangle.

Equals(Rect) Equals(Rect) Equals(Rect) Equals(Rect)

indica se o retângulo especificado é igual ao retângulo atual.Indicates whether the specified rectangle is equal to the current rectangle.

GetHashCode() GetHashCode() GetHashCode() GetHashCode()

Cria um código hash para o retângulo.Creates a hash code for the rectangle.

Inflate(Size) Inflate(Size) Inflate(Size) Inflate(Size)

Expande o retângulo usando o Size especificado em todas as direções.Expands the rectangle by using the specified Size, in all directions.

Inflate(Double, Double) Inflate(Double, Double) Inflate(Double, Double) Inflate(Double, Double)

Aumenta ou diminui o retângulo usando os valores de largura e altura especificados, em todas as direções.Expands or shrinks the rectangle by using the specified width and height amounts, in all directions.

Inflate(Rect, Size) Inflate(Rect, Size) Inflate(Rect, Size) Inflate(Rect, Size)

Retorna o retângulo resultante da expansão do retângulo indicado pelo Size especificado, em todos os sentidos.Returns the rectangle that results from expanding the specified rectangle by the specified Size, in all directions.

Inflate(Rect, Double, Double) Inflate(Rect, Double, Double) Inflate(Rect, Double, Double) Inflate(Rect, Double, Double)

Cria um retângulo que é o resultado de expandir ou reduzir o retângulo especificado pelos valores especificados de largura e altura em todas as direções.Creates a rectangle that results from expanding or shrinking the specified rectangle by the specified width and height amounts, in all directions.

Intersect(Rect) Intersect(Rect) Intersect(Rect) Intersect(Rect)

Localiza a interseção do retângulo atual e do retângulo especificado e armazena o resultado como o retângulo atual.Finds the intersection of the current rectangle and the specified rectangle, and stores the result as the current rectangle.

Intersect(Rect, Rect) Intersect(Rect, Rect) Intersect(Rect, Rect) Intersect(Rect, Rect)

Retorna a interseção dos retângulos especificados.Returns the intersection of the specified rectangles.

IntersectsWith(Rect) IntersectsWith(Rect) IntersectsWith(Rect) IntersectsWith(Rect)

Indica se o retângulo especificado faz interseção com o retângulo atual.Indicates whether the specified rectangle intersects with the current rectangle.

Offset(Vector) Offset(Vector) Offset(Vector) Offset(Vector)

Move o retângulo pelo vetor especificado.Moves the rectangle by the specified vector.

Offset(Double, Double) Offset(Double, Double) Offset(Double, Double) Offset(Double, Double)

Move o retângulo pelas quantidades horizontal e vertical especificadas.Moves the rectangle by the specified horizontal and vertical amounts.

Offset(Rect, Vector) Offset(Rect, Vector) Offset(Rect, Vector) Offset(Rect, Vector)

Retorna um retângulo que é deslocado do retângulo especificado usando o vetor especificado.Returns a rectangle that is offset from the specified rectangle by using the specified vector.

Offset(Rect, Double, Double) Offset(Rect, Double, Double) Offset(Rect, Double, Double) Offset(Rect, Double, Double)

Retorna um retângulo que é deslocado do retângulo especificado usando os valores horizontais e verticais especificados.Returns a rectangle that is offset from the specified rectangle by using the specified horizontal and vertical amounts.

Parse(String) Parse(String) Parse(String) Parse(String)

Cria um novo retângulo da representação da cadeia de caracteres especificada.Creates a new rectangle from the specified string representation.

Scale(Double, Double) Scale(Double, Double) Scale(Double, Double) Scale(Double, Double)

Multiplica o tamanho do retângulo atual pelos valores de x e y especificados.Multiplies the size of the current rectangle by the specified x and y values.

ToString() ToString() ToString() ToString()

Retorna uma representação de cadeia de caracteres do retângulo.Returns a string representation of the rectangle.

ToString(IFormatProvider) ToString(IFormatProvider) ToString(IFormatProvider) ToString(IFormatProvider)

Retorna uma representação de cadeia de caracteres do retângulo, usando o provedor de formato especificado.Returns a string representation of the rectangle by using the specified format provider.

Transform(Matrix) Transform(Matrix) Transform(Matrix) Transform(Matrix)

Transforma o retângulo aplicando a matriz especificada.Transforms the rectangle by applying the specified matrix.

Transform(Rect, Matrix) Transform(Rect, Matrix) Transform(Rect, Matrix) Transform(Rect, Matrix)

Retorna o retângulo que resulta da aplicação da matriz especificada ao retângulo especificado.Returns the rectangle that results from applying the specified matrix to the specified rectangle.

Union(Point) Union(Point) Union(Point) Union(Point)

Expande o retângulo atual exatamente o suficiente para conter o ponto especificado.Expands the current rectangle exactly enough to contain the specified point.

Union(Rect) Union(Rect) Union(Rect) Union(Rect)

Expande o retângulo atual exatamente o suficiente para conter o retângulo especificado.Expands the current rectangle exactly enough to contain the specified rectangle.

Union(Rect, Point) Union(Rect, Point) Union(Rect, Point) Union(Rect, Point)

Cria um retângulo que é exatamente grande o suficiente para incluir o retângulo especificado e o ponto especificado.Creates a rectangle that is exactly large enough to include the specified rectangle and the specified point.

Union(Rect, Rect) Union(Rect, Rect) Union(Rect, Rect) Union(Rect, Rect)

Cria um retângulo que é exatamente grande o suficiente para conter os dois retângulos especificados.Creates a rectangle that is exactly large enough to contain the two specified rectangles.

Operadores

Equality(Rect, Rect) Equality(Rect, Rect) Equality(Rect, Rect) Equality(Rect, Rect)

Compara a igualdade exata de dois retângulos.Compares two rectangles for exact equality.

Inequality(Rect, Rect) Inequality(Rect, Rect) Inequality(Rect, Rect) Inequality(Rect, Rect)

Compara dois retângulos quanto à desigualdade.Compares two rectangles for inequality.

Implantações explícitas de interface

IFormattable.ToString(String, IFormatProvider) IFormattable.ToString(String, IFormatProvider) IFormattable.ToString(String, IFormatProvider) IFormattable.ToString(String, IFormatProvider)

Formata o valor da instância atual usando o formato especificado.Formats the value of the current instance using the specified format.

Aplica-se a