Imports System.Data.SqlClient
Imports System.Text
Public Class Form3
Inherits System.Windows.Forms.Form
Windows 窗体设计器生成的代码
Private MyFile As String = ""
Private MyFileExt As String = ""
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
Handles Button2.Click
Dim pic As String
Dim MyXml As System.Xml.XmlDocument = New System.Xml.XmlDocument
MyXml.Load("c:\MyPhoto.xml")
Dim picNode As System.Xml.XmlNode
picNode = MyXml.SelectSingleNode("/pic/photo")
pic = picNode.InnerText
Dim memoryStream As System.IO.MemoryStream
memoryStream = New System.IO.MemoryStream(Convert.FromBase64String(pic))
Me.PictureBox1.Image = New System.Drawing.Bitmap(memoryStream)
memoryStream.Close()
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
Handles Button1.Click
If MyFile = "" Then
MessageBox.Show("请选择一个图片!", "错误", MessageBoxButtons.OK, MessageBoxIcon.Warning)
Exit Sub
End If
Dim MyImg As System.Drawing.Image = MyImg.FromFile(MyFile)
Dim memoryStream As System.IO.MemoryStream = New System.IO.MemoryStream
MyImg.Save(memoryStream, GetImageType(MyFileExt))
Dim b() As Byte
b = memoryStream.GetBuffer()
Dim pic As String = Convert.ToBase64String(b)
memoryStream.Close()
Dim MyXml As System.Xml.XmlDocument = New System.Xml.XmlDocument
MyXml.LoadXml("<pic><name>孟宪会</name><photo>" + pic + "</photo></pic>")
MyXml.Save("c:\MyPhoto.xml")
Label1.Text = "文件被保存到了:" + Microsoft.VisualBasic.ChrW(13) + "c:\MyPhoto.xml"
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
Handles Button3.Click
Dim openFileDialog1 As New OpenFileDialog
openFileDialog1.InitialDirectory = "c:\"
openFileDialog1.Filter = "PNG(*.png)|*.png|Gif(*.gif)|*.gif|Jpg(*.jpg)|*.jpg|所有图象文件(*.*)|*.*"
openFileDialog1.FilterIndex = 2
openFileDialog1.RestoreDirectory = True
If openFileDialog1.ShowDialog() = DialogResult.OK Then
MyFile = openFileDialog1.FileName()
MyFileExt = MyFile.Substring(MyFile.LastIndexOf(".") + 1)
End If
End Sub
Public Function GetImageType(ByVal str As String) As System.Drawing.Imaging.ImageFormat
Select Case str.ToLower()
Case "jpg"
Return System.Drawing.Imaging.ImageFormat.Jpeg
Case "gif"
Return System.Drawing.Imaging.ImageFormat.Gif
Case "tiff"
Return System.Drawing.Imaging.ImageFormat.Tiff()
Case "icon"
Return System.Drawing.Imaging.ImageFormat.Icon
Case "image/png"
Return System.Drawing.Imaging.ImageFormat.Png
Case Else
Return System.Drawing.Imaging.ImageFormat.MemoryBmp
End Select
End Function
Private Sub Form1_Closing(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) _
Handles MyBase.Closing
System.Diagnostics.Process.Start("IExplore.exe", "http://xml.sz.luohuedu.net/")
End Sub
此代码摘自孟宪会的文章,他可是在csdn论坛上很有名的。
Imports System.Text
Public Class Form3
Inherits System.Windows.Forms.Form
Windows 窗体设计器生成的代码
Private MyFile As String = ""
Private MyFileExt As String = ""
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
Handles Button2.Click
Dim pic As String
Dim MyXml As System.Xml.XmlDocument = New System.Xml.XmlDocument
MyXml.Load("c:\MyPhoto.xml")
Dim picNode As System.Xml.XmlNode
picNode = MyXml.SelectSingleNode("/pic/photo")
pic = picNode.InnerText
Dim memoryStream As System.IO.MemoryStream
memoryStream = New System.IO.MemoryStream(Convert.FromBase64String(pic))
Me.PictureBox1.Image = New System.Drawing.Bitmap(memoryStream)
memoryStream.Close()
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
Handles Button1.Click
If MyFile = "" Then
MessageBox.Show("请选择一个图片!", "错误", MessageBoxButtons.OK, MessageBoxIcon.Warning)
Exit Sub
End If
Dim MyImg As System.Drawing.Image = MyImg.FromFile(MyFile)
Dim memoryStream As System.IO.MemoryStream = New System.IO.MemoryStream
MyImg.Save(memoryStream, GetImageType(MyFileExt))
Dim b() As Byte
b = memoryStream.GetBuffer()
Dim pic As String = Convert.ToBase64String(b)
memoryStream.Close()
Dim MyXml As System.Xml.XmlDocument = New System.Xml.XmlDocument
MyXml.LoadXml("<pic><name>孟宪会</name><photo>" + pic + "</photo></pic>")
MyXml.Save("c:\MyPhoto.xml")
Label1.Text = "文件被保存到了:" + Microsoft.VisualBasic.ChrW(13) + "c:\MyPhoto.xml"
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) _
Handles Button3.Click
Dim openFileDialog1 As New OpenFileDialog
openFileDialog1.InitialDirectory = "c:\"
openFileDialog1.Filter = "PNG(*.png)|*.png|Gif(*.gif)|*.gif|Jpg(*.jpg)|*.jpg|所有图象文件(*.*)|*.*"
openFileDialog1.FilterIndex = 2
openFileDialog1.RestoreDirectory = True
If openFileDialog1.ShowDialog() = DialogResult.OK Then
MyFile = openFileDialog1.FileName()
MyFileExt = MyFile.Substring(MyFile.LastIndexOf(".") + 1)
End If
End Sub
Public Function GetImageType(ByVal str As String) As System.Drawing.Imaging.ImageFormat
Select Case str.ToLower()
Case "jpg"
Return System.Drawing.Imaging.ImageFormat.Jpeg
Case "gif"
Return System.Drawing.Imaging.ImageFormat.Gif
Case "tiff"
Return System.Drawing.Imaging.ImageFormat.Tiff()
Case "icon"
Return System.Drawing.Imaging.ImageFormat.Icon
Case "image/png"
Return System.Drawing.Imaging.ImageFormat.Png
Case Else
Return System.Drawing.Imaging.ImageFormat.MemoryBmp
End Select
End Function
Private Sub Form1_Closing(ByVal sender As Object, ByVal e As System.ComponentModel.CancelEventArgs) _
Handles MyBase.Closing
System.Diagnostics.Process.Start("IExplore.exe", "http://xml.sz.luohuedu.net/")
End Sub