no5

Public Class Form1

    Private Sub Form1_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load
        Me.AutoSize = True : Me.Text = "Graph by Your ID"
        PictureBox1.Top = 0 : PictureBox1.Left = 0
        PictureBox1.Width = 500 : PictureBox1.Height = 500
        Button1.Text = "Draw" : Button1.Font = New Font("Courier", 20)
        Button1.Width = 100 : Button1.Height = 50
        Button1.Top = 10 : Button1.Left = PictureBox1.Width + 50
    End Sub

    Private Sub Button1_Click(sender As Object, e As System.EventArgs) Handles Button1.Click
        Dim myGraph As Graphics = PictureBox1.CreateGraphics
        Dim myPen1, myPen2, myPen3 As Pen
        Dim id, ang, bigR, x1, y1 As Single
        Dim mybrush, mybrush1 As Brush

        myPen1 = New Pen(Color.Blue, 5) : myGraph.DrawRectangle(myPen1, 0, 0, 500, 500)
        myPen2 = New Pen(Color.Gray, 1)
        myPen3 = New Pen(Color.White, 6)
        mybrush = New SolidBrush(Color.White)
        mybrush1 = New SolidBrush(Color.Gray)



        For x1 = 0 To 500 Step 50
            For y1 = 0 To 500 Step 50

                If ((x1 + y1) Mod 100) = 0 Then

                    myGraph.FillRectangle(mybrush1, x1, y1, 50, 50)
                End If

            Next
        Next

        myGraph.DrawRectangle(myPen1, 0, 0, 500, 500)


    End Sub
End Class