Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Math
public class DrawAStarShape
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 cx As Integer = Me.ClientSize.Width \ 2
Dim cy As Integer = Me.ClientSize.Height \ 2
Dim r1 As Integer = Min(cx, cy) - 10
Dim r2 As Integer = Min(cx, cy) \ 2
Dim pts(9) As Point
For i As Integer = 0 To 9 Step 2
pts(i).X = cx + CInt(r1 * Cos(i * PI / 5 - PI / 2))
pts(i).Y = cy + CInt(r1 * Sin(i * PI / 5 - PI / 2))
pts(i + 1).X = cx + CInt(r2 * Cos((i + 1) * PI / 5 - PI / 2))
pts(i + 1).Y = cy + CInt(r2 * Sin((i + 1) * PI / 5 - PI / 2))
Next i
Dim texture_brush As New TextureBrush(new Bitmap("yourfile.jpg"))
e.Graphics.FillPolygon(texture_brush, pts)
e.Graphics.DrawPolygon(Pens.Black, 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