Public Class Form1 Dim BMP As New Drawing.Bitmap(640,480) Dim GFX As Graphics = Graphics.FromImage(BMP) Private Sub Button1_Click(ByVal sender As System.Object,ByVal e As System.EventArgs) Handles Button1.Click FX.FillRectangle(Brushes.White,PictureBox1.Width,PictureBox1.Height) GFX.DrawLine(Pens.Red,10,50,50) GFX.DrawString("Robomatics",SystemFonts.DefaultFont,Brushes.Black,60,60) PictureBox1.Image = BMP End Sub Private Sub PictureBox1_Click(ByVal sender As System.Object,ByVal e As System.EventArgs) Handles PictureBox1.Click BMP.SetPixel(MousePosition.X - Me.Location.X - PictureBox1.Location.X - 4,MousePosition.Y - Me.Location.Y - PictureBox1.Location.Y - 30,Color.Black) GFX.DrawString("Robomatics",MousePosition.X - Me.Location.X - PictureBox1.Location.X - 4,MousePosition.Y - Me.Location.Y - PictureBox1.Location.Y - 30) PictureBox1.Image = BMP End Sub End Class原文链接:https://www.f2er.com/vb/258622.html