vb.net相册源代码代码相册源代码

如何用vb.net获得网页的源代码

Dim url As String=" 网址"

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Dim httpReq As System.Net.HttpWebRequest

Dim httpResp As System.Net.HttpWebResponse

Dim httpURL As New System.Uri(url)

httpReq = CType(WebRequest.Create(httpURL), HttpWebRequest)

httpReq.Method = "GET"

httpResp = CType(httpReq.GetResponse(), HttpWebResponse)

httpReq.KeepAlive = False ' 获取或设置一个值，该值指示是否与

Internet资源建立持久连接。

Dim reader As StreamReader = _

New StreamReader(httpResp.GetResponseStream,

System.Text.Encoding.GetEncoding(-0))

Dim respHTML As String = reader.ReadToEnd() 'respHTML就是网页源代码

首先把那些人的相片都放到一个文件夹里 (比如D:\PHTO 文件夹里,并且名字命名为相片主人的名字;名字+1;名字+2......)

新建一个工程, 添加 TEXT1.TEXT , 按钮 , IMAGE 控件.

按钮的单击代码,我只说大概:

IF TEXT1.TEXT = "自己的照片" THEN

image.picture=loadpicture("d:\photo\" + TEXT1.TEXT + ".JPG")

然后在添加个按钮, 名字为: 下一张

单击代码: image.picture=loadpicture("d:\photo\自己的照片" + "1" + ".JPG")

BitBlt

StretchBlt

假设有三张图片在资源里，VB.NET不允许资源的名字是纯数字，假设取名Image1,Image2......

Dim Images() As System.Drawing.Bitmap = {My.Resources.Image1, My.Resources.Image2, My.Resources.Image3}

Dim CurrentImage As Integer

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

If CurrentImage 2 Then CurrentImage += 1 Else CurrentImage = 0

PictureBox1.Image = Images(CurrentImage)

End Sub

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

If CurrentImage 0 Then CurrentImage -= 1 Else CurrentImage = 2

PictureBox1.Image = Images(CurrentImage)

End Sub

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