包含vb.net画实时曲线的词条

小程序：扫一扫查出行
【扫一扫了解最新限行尾号】
复制小程序

vb.net 绘制实时温度曲线

这个要用GDI+画。要看你.net版本。

以下是VS2005中的一段代码。

Me.PictureBox1.Height = 450

Me.PictureBox1.Width = 880

Dim gr As Graphics '定义画布

Dim bp As New Bitmap(880, 450) '定义位图,并进行赋值

Dim p As New Pen(Color.Black) '定义画笔

p.Width = 2 '宽度2

p.DashStyle = Drawing2D.DashStyle.Solid '样式直线

PictureBox1.Image = bp

gr = Graphics.FromImage(PictureBox1.Image)

gr.FillRectangle(Brushes.White, New Rectangle(0, 0, PictureBox1.Width, PictureBox1.Height))

gr.DrawLine(p, a, b, a, .Height - b) '绘制纵坐标

gr.DrawLine(p, a, .Height - b, .Width - a, .Height - b) '绘制横坐标

vb.net连续绘制曲线图不消失

您好vb.net画实时曲线，您是想问vb.net连续绘制曲线图不消失怎么办vb.net画实时曲线？b.net连续绘制曲线图不消失vb.net画实时曲线的解决办法如下vb.net画实时曲线：

1、首先必须创建bitmap,关联到picturebox1.image上。

2、再在picturebox1.image上创建Graphics,再进行作图。即可显示线图。

VB.NET 实时曲线

拖一个PictureBox1控件创建一个Paint事件。在事件中加入 Private Sub PictureBox1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles PictureBox1.Paint ' Create pens. Dim redPen As New Pen(Color.Red, 3) Dim greenPen As New Pen(Color.Green, 3) ' Create points that define curve. Dim point1 As New Point(50, 50) Dim point2 As New Point(100, 25) Dim point3 As New Point(200, 5) Dim point4 As New Point(250, 50) Dim point5 As New Point(300, 100) Dim point6 As New Point(350, 200) Dim point7 As New Point(250, 250) Dim curvePoints As Point() = {point1, point2, point3, point4, _ point5, point6, point7} ' Draw lines between original points to screen. e.Graphics.DrawLines(redPen, curvePoints) ' Draw curve to screen. e.Graphics.DrawCurve(greenPen, curvePoints) End Sub 得到数据后vb.net画实时曲线，改pointvb.net画实时曲线的数据。然后PictureBox1.Refresh()就行vb.net画实时曲线了