Rotate Transform Demo

Imports System
Imports System.Windows.Forms
Imports System.Drawing.Text
Imports System.Drawing
Imports System.Drawing.Drawing2D

Public Class MainClass
    
    Shared Sub Main(ByVal args As String())
        Dim myform As Form = New Form1()
        Application.Run(myform)
    End Sub
End Class


Public Class Form1
    Private Sub Form1_Paint(ByVal sender As Object, _
     ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
            ' Scale by a factor of 90.
            e.Graphics.ScaleTransform(90, 90, MatrixOrder.Append)

            ' Translate to center on the form.
            e.Graphics.TranslateTransform( _
                Me.ClientRectangle.Width \ 2, _
                Me.ClientRectangle.Height \ 2, _
                MatrixOrder.Append)

            For i As Integer = 5 To 360 Step 5
                ' Save the state.
                Dim graphics_state As GraphicsState = e.Graphics.Save()

                ' Rotate i degrees.
                e.Graphics.RotateTransform(i, MatrixOrder.Prepend)

                ' Draw a rectangle.
                e.Graphics.DrawRectangle(New Pen(Color.Black, 0), -1, -1, 1, 1)

                ' Restore the saved state.
                e.Graphics.Restore(graphics_state)
            Next i
    End Sub

End Class


<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Public Class Form1
    Inherits System.Windows.Forms.Form

    'Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.SuspendLayout()
        '
        'Form1
        '
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(500, 500)
        Me.Name = "Form1"
        Me.Text = "Title"
        Me.ResumeLayout(False)

    End Sub

End Class
Related examples in the same category

1.	Rotate 45 degrees
2.	Rotation Demo
Rotate Transform Demo : Rotate « 2D « VB.Net

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