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Примеры классов: Класс Документ

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Примеры классов: Класс Документ


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Примеры классов: Класс Диаграмма


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Пример экземпляр класса Form Public Class Form1 Dim pen1 As New Pen(Color.Purple, 8) Dim pen2 As New Pen(Color.White, 8) Dim i, rad, x1, y1 As Integer Dim x, y As Single Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click PictureBox1.CreateGraphics.Clear(Color.White) PictureBox1.CreateGraphics.FillEllipse(Brushes.Aquamarine, 100, 100, 100, 100) …. End Sub Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click Dim pen As New Pen(Color.FromArgb(255, 0, 0, 255), 8) PictureBox1.CreateGraphics.Clear(Color.White) pen.StartCap = System.Drawing.Drawing2D.LineCap.RoundAnchor pen.EndCap = System.Drawing.Drawing2D.LineCap.ArrowAnchor PictureBox1.CreateGraphics.DrawLine(pen, 20, 175, 300, 175) End Sub Private Sub Button7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click Dim a As Integer a = TextBox1.Text If a = 1 Then PictureBox1.CreateGraphics.FillRectangle(Brushes.Red, 200, 200, 100, 100) If a = 2 Then PictureBox1.CreateGraphics.FillEllipse(Brushes.Blue, 200, 200, 50, 100) …. End Sub End Class


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