關于vb.net中繪圖并保存圖片的問題

Imports System.Drawing.Imaging

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Public Class Form1

Dim imageName As String = "C:\Documents and Settings\...\1126.jpg "

Dim i As Image = Image.FromFile(imageName)

Dim g As Graphics = Graphics.FromImage(i) '此處從背景圖創(chuàng)建Greaphics

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

'劃線

Dim BluePen As New Pen(Color.Blue, 5)

BluePen.DashStyle = Drawing2D.DashStyle.Solid

g.DrawLine(BluePen, 100.0F, 170, 500.0F, 170)

g.Dispose()

PictureBox1.Image = i

End Sub

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

'退出

Me.Close()

End Sub

Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click

'存盤

i.Save( "C:\testimage.jpg ", ImageFormat.Jpeg)

i.Dispose()

End Sub

Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

PictureBox1.Image = i

End Sub

End Class

vb.net 怎么把圖片導入到excel中進行打印圖片？

在文件catalina.bat文件中的第一行添加如下：

setJAVA_OPTS=-Xms512m-Xmx512m-XX:MaxNewSize=256m-XX:MaxPermSize=256m

VB.net 圖片框 的圖片向外拖出到桌面或者文件夾。謝謝各位大俠幫幫忙

這個應該可以試試spy++，檢測下鼠標移動到的device，然后做出文件操作！