Rect.Union 方法

  • 參考

定義

命名空間:
System.Windows
組件:
WindowsBase.dll

建立矩形，這個矩形剛好可以包含指定的矩形和指定的點或第二個矩形。

多載

Union(Point)

將目前矩形展開為剛好可以包含指定的點。
Union(Rect)

將目前矩形展開為剛好可以包含指定的矩形。
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。
Union(Rect, Rect)

建立矩形，這個矩形剛好可以包含兩個指定的矩形。

Union(Point)

將目前矩形展開為剛好可以包含指定的點。

public:
 void Union(System::Windows::Point point);
public void Union (System.Windows.Point point);
member this.Union : System.Windows.Point -> unit
Public Sub Union (point As Point)

參數

point
Point

要包含的點。

範例

下列範例示範如何使用 Union(Point) 方法來展開目前矩形，完全足以包含指定的 Point 。

private Rect unionExample1()
{
    // Initialize new rectangle.
    Rect myRectangle = new Rect();

    // The Location property specifies the coordinates of the upper left-hand 
    // corner of the rectangle. 
    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);

    // The Union method expands the current rectangle exactly enough to contain 
    // the specified point. myRectangle expands to a location of 0,0 and a size
    // of 210,55.
    myRectangle.Union(new Point(0,0));

    // Returns 0,0,210,55
    return myRectangle;
}

另請參閱

適用於

Union(Rect)

將目前矩形展開為剛好可以包含指定的矩形。

public:
 void Union(System::Windows::Rect rect);
public void Union (System.Windows.Rect rect);
member this.Union : System.Windows.Rect -> unit
Public Sub Union (rect As Rect)

參數

rect
Rect

要包含的矩形。

範例

下列範例示範如何使用 Union(Rect) 方法來展開目前矩形，完全足以包含指定的矩形。

private Rect unionExample2()
{
    // Initialize new rectangle.
    Rect myRectangle = new Rect();

    // The Location property specifies the coordinates of the upper left-hand 
    // corner of the rectangle. 
    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);

    // Create second rectangle.
    Rect myRectangle2 = new Rect();
    myRectangle2.Location = new Point(0, 0);
    myRectangle2.Size = new Size(200, 50);

    // The Union method expands the current rectangle exactly enough to contain 
    // the specified rectangle. myRectangle expands to a location of 0,0 and a size
    // of 210,55.
    myRectangle.Union(myRectangle2);

    // Returns 0,0,210,55
    return myRectangle;
}

另請參閱

適用於

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。

public:
 static System::Windows::Rect Union(System::Windows::Rect rect, System::Windows::Point point);
public static System.Windows.Rect Union (System.Windows.Rect rect, System.Windows.Point point);
static member Union : System.Windows.Rect * System.Windows.Point -> System.Windows.Rect
Public Shared Function Union (rect As Rect, point As Point) As Rect

參數

rect
Rect

要包含的矩形。

point
Point

要包含的點。

傳回

Rect

矩形，剛好可以包含指定的矩形和指定的點。

範例

下列範例示範如何使用 Union(Rect, Point) 方法來建立剛好足以包含指定矩形和指定 Point 的矩形。

private Rect unionExample3()
{
    // Initialize new rectangle.
    Rect myRectangle = new Rect();

    // The Location property specifies the coordinates of the upper left-hand 
    // corner of the rectangle. 
    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);

    // Create second rectangle.
    Rect myRectangle2 = new Rect();
    myRectangle2.Location = new Point(0, 0);
    myRectangle2.Size = new Size(200, 50);

    // The Union method expands the current rectangle exactly enough to contain 
    // the specified rectangle and the specified Point. In this example, returnRect 
    // expands to a location of 0,0 and a size of 250,60.
    Rect returnRect = Rect.Union(myRectangle2, new Point(250,60));

    // Returns 0,0,250,60
    return returnRect;
}

另請參閱

適用於

Union(Rect, Rect)

建立矩形，這個矩形剛好可以包含兩個指定的矩形。

public:
 static System::Windows::Rect Union(System::Windows::Rect rect1, System::Windows::Rect rect2);
public static System.Windows.Rect Union (System.Windows.Rect rect1, System.Windows.Rect rect2);
static member Union : System.Windows.Rect * System.Windows.Rect -> System.Windows.Rect
Public Shared Function Union (rect1 As Rect, rect2 As Rect) As Rect

參數

rect1
Rect

要包含的第一個矩形。

rect2
Rect

要包含的第二個矩形。

傳回

Rect

產生的矩形。

範例

下列範例示範如何使用 Union(Rect, Rect) 方法來建立剛好足以包含兩個指定矩形的矩形。

private Rect unionExample4()
{
    // Initialize new rectangle.
    Rect myRectangle = new Rect();

    // The Location property specifies the coordinates of the upper left-hand 
    // corner of the rectangle. 
    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);

    // Create second rectangle.
    Rect myRectangle2 = new Rect();
    myRectangle2.Location = new Point(0, 0);
    myRectangle2.Size = new Size(200, 50);

    // Create a third rectangle.
    Rect myRectangle3 = new Rect();
    myRectangle3.Location = new Point(210, 60);
    myRectangle3.Size = new Size(50, 50);

    // The Union method expands the current rectangle exactly enough to contain 
    // the two specified rectangles. In this example, returnRect expands to 
    // a location of 0,0 and a size of 260,110.
    Rect returnRect = Rect.Union(myRectangle2, myRectangle3);

    // Returns 0,0,260,110
    return returnRect;
}

另請參閱

適用於