Rect Rect Rect Rect Struct

定義

描述矩形的寬度、高度和位置。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
繼承
屬性
實作

範例

下列範例示範如何使用Rect結構來指定使用 XAML 之矩形的維度和位置。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>

下列範例顯示如何使用程式碼來建立矩形, 並將它加入至頁面。The following example shows how to use code to create a rectangle and add it to the page. 此範例也會說明如何尋找新矩形的大小和座標資訊, 並將資訊呈現在TextBox矩形下方的。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;
}

備註

XAML Attribute UsageXAML Attribute Usage

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

XAML 值XAML Values

xx
System.Double

矩形左邊的 x 座標位置。The x-coordinate location of the left side of the rectangle.

yy
System.Double

矩形頂端的 y 座標位置。The y-coordinate location of the top side of the rectangle.

widthwidth
System.Double

非負數值, 表示Width矩形的。A non-negative value that represents the Width of the rectangle.

高寬比height
System.Double

非負數值, 表示Height矩形的。A non-negative value that represents the Height of the rectangle.

建構函式

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

初始化 Rect 類別的新執行個體,這個執行個體是所指定的大小而且位在 (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)

初始化 Rect 結構的新執行個體,這個執行個體剛好可以包含兩個指定的點。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)

初始化 Rect 結構的新執行個體,這個執行個體具有指定的左上角位置和指定的寬度及高度。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)

初始化 Rect 結構的新執行個體,這個執行個體剛好可以包含指定的點以及所指定點和所指定向量的總和。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)

初始化 Rect 結構的新執行個體,這個執行個體具有指定的 X 座標、Y 座標、寬度和高度。Initializes a new instance of the Rect structure that has the specified x-coordinate, y-coordinate, width, and height.

屬性

Bottom Bottom Bottom Bottom

取得矩形底端的 Y 軸值。Gets the y-axis value of the bottom of the rectangle.

BottomLeft BottomLeft BottomLeft BottomLeft

取得矩形左下角的位置。Gets the position of the bottom-left corner of the rectangle

BottomRight BottomRight BottomRight BottomRight

取得矩形右下角的位置。Gets the position of the bottom-right corner of the rectangle.

Empty Empty Empty Empty

取得特殊值,這個值表示沒有位置或區域的矩形。Gets a special value that represents a rectangle with no position or area.

Height Height Height Height

取得或設定矩形的高度。Gets or sets the height of the rectangle.

IsEmpty IsEmpty IsEmpty IsEmpty

取得值,這個值表示矩形是否為 Empty 矩形。Gets a value that indicates whether the rectangle is the Empty rectangle.

Left Left Left Left

取得矩形左側的 X 軸值。Gets the x-axis value of the left side of the rectangle.

Location Location Location Location

取得或設定矩形左上角的位置。Gets or sets the position of the top-left corner of the rectangle.

Right Right Right Right

取得矩形右側的 X 軸值。Gets the x-axis value of the right side of the rectangle.

Size Size Size Size

取得或設定矩形的寬度和高度。Gets or sets the width and height of the rectangle.

Top Top Top Top

取得矩形頂端的 Y 軸位置。Gets the y-axis position of the top of the rectangle.

TopLeft TopLeft TopLeft TopLeft

取得矩形左上角的位置。Gets the position of the top-left corner of the rectangle.

TopRight TopRight TopRight TopRight

取得矩形右上角的位置。Gets the position of the top-right corner of the rectangle.

Width Width Width Width

取得或設定矩形的寬度。Gets or sets the width of the rectangle.

X X X X

取得或設定矩形左側的 X 軸值。Gets or sets the x-axis value of the left side of the rectangle.

Y Y Y Y

取得或設定矩形上方的 Y 軸值。Gets or sets the y-axis value of the top side of the rectangle.

方法

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

表示矩形是否包含指定的點。Indicates whether the rectangle contains the specified point.

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

表示矩形是否包含指定的矩形。Indicates whether the rectangle contains the specified rectangle.

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

表示矩形是否包含指定的 X 座標和 Y 座標。Indicates whether the rectangle contains the specified x-coordinate and y-coordinate.

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

表示指定的矩形是否相等。Indicates whether the specified rectangles are equal.

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

表示指定的物件是否等於目前矩形。Indicates whether the specified object is equal to the current rectangle.

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

表示指定的矩形是否等於目前矩形。Indicates whether the specified rectangle is equal to the current rectangle.

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

建立矩形的雜湊程式碼。Creates a hash code for the rectangle.

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

使用指定的 Size 往所有方向展開矩形。Expands the rectangle by using the specified Size, in all directions.

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

使用所指定寬度和高度數量,往所有方向展開或壓縮矩形。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)

傳回矩形,這個矩形是以指定的 Size 往所有方向展開所指定矩形而產生的矩形。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)

建立矩形,這個矩形是以指定的寬度和高度數量往所有方向展開或壓縮指定的矩形而產生的矩形。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)

尋找目前矩形與所指定矩形的交集,並將結果儲存為目前的矩形。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)

傳回兩個指定之矩形的交集。Returns the intersection of the specified rectangles.

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

表示指定的矩形是否與目前矩形交集。Indicates whether the specified rectangle intersects with the current rectangle.

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

以指定的向量移動矩形。Moves the rectangle by the specified vector.

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

以指定的水平和垂直數量移動矩形。Moves the rectangle by the specified horizontal and vertical amounts.

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

傳回矩形,這個矩形是使用所指定向量從指定之矩形位移的矩形。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)

傳回矩形,這個矩形是使用所指定水平和垂直數量從指定之矩形位移的矩形。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)

從指定的字串表示建立新矩形。Creates a new rectangle from the specified string representation.

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

將目前矩形大小乘上指定的 X 和 Y 值。Multiplies the size of the current rectangle by the specified x and y values.

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

傳回矩形的字串表示。Returns a string representation of the rectangle.

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

使用指定的格式提供者,傳回矩形的字串表示。Returns a string representation of the rectangle by using the specified format provider.

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

套用指定的矩陣轉換矩形。Transforms the rectangle by applying the specified matrix.

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

傳回矩形,這個矩形是將所指定矩陣套用至指定的矩形而產生。Returns the rectangle that results from applying the specified matrix to the specified rectangle.

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

將目前矩形展開為剛好可以包含指定的點。Expands the current rectangle exactly enough to contain the specified point.

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

將目前矩形展開為剛好可以包含指定的矩形。Expands the current rectangle exactly enough to contain the specified rectangle.

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

建立矩形,這個矩形剛好可以包含指定的矩形和指定的點。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)

建立矩形,這個矩形剛好可以包含兩個指定的矩形。Creates a rectangle that is exactly large enough to contain the two specified rectangles.

運算子

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

比較兩個矩形是否完全相等。Compares two rectangles for exact equality.

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

比較兩個矩形是否不相等。Compares two rectangles for inequality.

明確介面實作

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

使用指定的格式,格式化目前執行個體的值。Formats the value of the current instance using the specified format.

適用於