Rect.Union 方法
定义
重要
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创建一个矩形,该矩形的大小刚好足以包含给定矩形和指定点或第二个矩形。
重载
Union(Point) |
放大当前矩形,使其刚好足以包含指定点。 |
Union(Rect) |
放大当前矩形,使其刚好足以包含指定矩形。 |
Union(Rect, Point) |
创建一个矩形,该矩形的大小刚好足以包含指定矩形和指定点。 |
Union(Rect, Rect) |
创建一个矩形,该矩形的大小刚好足以包含两个指定矩形。 |
Union(Point)
放大当前矩形,使其刚好足以包含指定点。
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)
参数
- point
- Point
要包含的点。
示例
下面的示例演示如何使用 Union(Point) 方法将当前矩形完全展开到足以包含给定 Point的 。
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;
}
另请参阅
适用于
Union(Rect)
放大当前矩形,使其刚好足以包含指定矩形。
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)
参数
- rect
- Rect
要包含的矩形。
示例
下面的示例演示如何使用 Union(Rect) 方法完全扩展当前矩形,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;
}
另请参阅
适用于
Union(Rect, Point)
创建一个矩形,该矩形的大小刚好足以包含指定矩形和指定点。
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
参数
- rect
- Rect
要包含的矩形。
- point
- Point
要包含的点。
返回
大小刚好足以包含指定矩形和指定点的矩形。
示例
下面的示例演示如何使用 Union(Rect, Point) 方法创建一个矩形,该矩形的大小正好足以包含给定的矩形和给定 Point的 。
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;
}
另请参阅
适用于
Union(Rect, Rect)
创建一个矩形,该矩形的大小刚好足以包含两个指定矩形。
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
参数
- rect1
- Rect
要包含的第一个矩形。
- rect2
- Rect
要包含的第二个矩形。
返回
所得矩形。
示例
下面的示例演示如何使用 Union(Rect, Rect) 方法创建一个刚好足以包含两个给定矩形的矩形。
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;
}