vb.net编写一个照片浏览器程序，程序执行时单击下一张，将会显示下一张照片

我说选把打开多个图片路径加载到一个listbox里，利用listbox写代码

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Private Sub picbox_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)

If ListBox1.SelectedIndex = count Then

Try

ListBox1.SelectedIndex = ListBox1.SelectedIndex + 1

Catch

ListBox1.SelectedIndex = 0

End Try

End If

picbox.Image = ListBox1.SelectedItem.ToString

End Sub

怎样用vb.net做一个图片浏览器？

在自定义工具箱中选择dirlistbox，drivelistbox，filelistbox，添加这3个控件，然后在窗体上添加这些控件和一个picturebox控件，代码如下：

Public Class Form1

Private Sub DirListBox1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles DirListBox1.SelectedIndexChanged

FileListBox1.Path = DirListBox1.Path

End Sub

Private Sub DriveListBox1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles DriveListBox1.SelectedIndexChanged

DirListBox1.Path = DriveListBox1.Drive

End Sub

Private Sub FileListBox1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles FileListBox1.SelectedIndexChanged

PictureBox1.Image = Image.FromFile(FileListBox1.Path + "\" + FileListBox1.SelectedItem.ToString())

End Sub

End Class

你可以自己在修改下，这只是个模型，呵呵！

用vb.net如何编写图片浏览器的基本步骤功能是：图片的打开、显示、缩放、旋转。

窗体上放一个PictureBox，两个CommandButton，一个FileListBox

Private Sub Command1_Click()

If File1.ListIndex = 0 Then

ShowPic File1.ListCount - 1

Else

ShowPic File1.ListIndex - 1

End If

End Sub

Private Sub Command2_Click()

If File1.ListIndex = File1.ListCount - 1 Then

ShowPic 0

Else

ShowPic File1.ListIndex + 1

End If

End Sub

Private Sub Form_Load()

File1.Visible = False

File1.Pattern = "*.jpg;*.gif" '可以浏览的文件类型，使用分号隔开

File1.Path = App.Path '改成你需要浏览的目录，比如"C:\Pic"

If File1.ListCount 1 Then '目录中图片在两张以上可以浏览

ShowPic 0

Exit Sub

ElseIf File1.ListCount = 1 Then '目录中只有一张图片时只显示这一张

ShowPic 0

End If

Command1.Enabled = False

Command2.Enabled = False

End Sub

Private Sub ShowPic(Index As Long)

File1.ListIndex = Index

Picture1.Picture = LoadPicture(File1.Path "\" File1.List(Index))

End Sub

如果对您有帮助，请记得采纳为满意答案，谢谢！祝您生活愉快！

vaela

本文题目：vb.net图片浏览器 vbs打开图片
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