本文整理汇总了VB.NET中System.Drawing.Rectangle.Round方法的典型用法代码示例。如果您正苦于以下问题：VB.NET Rectangle.Round方法的具体用法？VB.NET Rectangle.Round怎么用？VB.NET Rectangle.Round使用的例子？那么恭喜您, 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.Round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: RoundingAndTruncatingRectangles
Private Sub RoundingAndTruncatingRectangles( _
ByVal e As PaintEventArgs)
' Construct a new RectangleF.
Dim myRectangleF As New RectangleF(30.6F, 30.7F, 40.8F, 100.9F)
' Call the Round method.
Dim roundedRectangle As Rectangle = Rectangle.Round(myRectangleF)
' Draw the rounded rectangle in red.
Dim redPen As New Pen(Color.Red, 4)
e.Graphics.DrawRectangle(redPen, roundedRectangle)
' Call the Truncate method.
Dim truncatedRectangle As Rectangle = _
Rectangle.Truncate(myRectangleF)
' Draw the truncated rectangle in white.
Dim whitePen As New Pen(Color.White, 4)
e.Graphics.DrawRectangle(whitePen, truncatedRectangle)
' Dispose of the custom pens.
redPen.Dispose()
whitePen.Dispose()
End Sub示例2: MeasureCharacterRange
' 导入命名空间
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Math
public class MeasureCharacterRange
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)
Dim txt As String = "www.java2s.com"
Dim the_font As New Font("Times New Roman", 50, FontStyle.Bold, GraphicsUnit.Pixel)
Dim layout_rect As New RectangleF(0, 0, Me.ClientSize.Width, Me.ClientSize.Height)
Dim string_format As New StringFormat
string_format.LineAlignment = StringAlignment.Center
string_format.Alignment = StringAlignment.Center
e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit
Dim character_ranges(txt.Length - 1) As CharacterRange
For i As Integer = 0 To txt.Length - 1
character_ranges(i) = New CharacterRange(i, 1)
Next i
string_format.SetMeasurableCharacterRanges(character_ranges)
Dim character_regions() As Region = e.Graphics.MeasureCharacterRanges(txt, the_font, layout_rect, string_format)
For Each rgn As Region In character_regions
Dim character_bounds As RectangleF = rgn.GetBounds(e.Graphics)
Dim character_rect As Rectangle = Rectangle.Round(character_bounds)
e.Graphics.DrawRectangle(Pens.White, character_rect)
Next rgn
e.Graphics.DrawString(txt, the_font, Brushes.Black, layout_rect, string_format)
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