本文整理汇总了VB.NET中System.Drawing.Rectangle.Union方法的典型用法代码示例。如果您正苦于以下问题：VB.NET Rectangle.Union方法的具体用法？VB.NET Rectangle.Union怎么用？VB.NET Rectangle.Union使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Drawing.Rectangle的用法示例。
在下文中一共展示了Rectangle.Union方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
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
' 导入命名空间
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