VB.Net Tutorial/2D Graphics/Arrow — различия между версиями

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м (1 версия)
 
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Версия 16:40, 26 мая 2010

Draw Arrow

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class DrawArrow
   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)
        e.Graphics.ScaleTransform(30, 30, MatrixOrder.Append)
        DrawArrow(e.Graphics, HatchStyle.Horizontal)
    End Sub
    Private Sub DrawArrow(ByVal gr As Graphics, ByVal hatch_style As HatchStyle)
        Dim pts() As Point = { _
            New Point(0, 1), _
            New Point(2, 1), _
            New Point(2, 0), _
            New Point(4, 2), _
            New Point(2, 4), _
            New Point(2, 3), _
            New Point(0, 3) _
        }
        gr.FillPolygon(New HatchBrush(hatch_style, Color.Black, Color.White), pts)
        gr.DrawPolygon(New Pen(Color.Black, 0), pts)
    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