本文整理匯總了VB.NET中System.Drawing.Rectangle.Union方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET Rectangle.Union方法的具體用法？VB.NET Rectangle.Union怎麽用？VB.NET Rectangle.Union使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Drawing.Rectangle的用法示例。
在下文中一共展示了Rectangle.Union方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: ShowRectangleUnion
Private Sub ShowRectangleUnion(ByVal e As PaintEventArgs)
' Declare two rectangles and draw them.
Dim rectangle1 As New Rectangle(30, 40, 50, 100)
Dim rectangle2 As New Rectangle(50, 60, 100, 60)
e.Graphics.DrawRectangle(Pens.Sienna, rectangle1)
e.Graphics.DrawRectangle(Pens.BlueViolet, rectangle2)
' Declare a third rectangle as a union of the first two.
Dim rectangle3 As Rectangle = Rectangle.Union(rectangle1, _
rectangle2)
' Fill in the third rectangle in a semi-transparent color.
Dim transparentColor As Color = Color.FromArgb(40, 135, 135, 255)
e.Graphics.FillRectangle(New SolidBrush(transparentColor), _
rectangle3)
End Sub示例2: RectangleUnion
' 導入命名空間
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class RectangleUnion
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class
public class Form1
Inherits System.Windows.Forms.Form
Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
' Create a Graphics object
Dim g As Graphics = Me.CreateGraphics()
' Create PointF, SizeF and RectangleF
Dim pt As New PointF(30.8F, 20.7F)
Dim sz As New SizeF(60.0F, 40.0F)
Dim rect2 As New RectangleF(40.2F, 40.6F, 100.5F, 100.0F)
Dim rect1 As New RectangleF(pt, sz)
Dim rect3 As Rectangle = Rectangle.Ceiling(rect1)
Dim rect4 As Rectangle = Rectangle.Truncate(rect1)
Dim rect5 As Rectangle = Rectangle.Round(rect2)
' Draw rectangles
g.DrawRectangle(Pens.Black, rect3)
g.DrawRectangle(Pens.Red, rect5)
Dim unionRect As Rectangle = Rectangle.Union(rect4, rect5)
' Draw new rectangle
g.DrawRectangle(Pens.Green, unionRect)
End Sub
Public Sub New()
MyBase.New()
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(292, 273)
Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
End Sub
End Class