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Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
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'建立新的系统进程
Dim process As New System.Diagnostics.Process()
If RadioButton1.Checked Then
'设置文件名，此处为图片的真实路径+文件名
process.StartInfo.FileName = "c:\a.bmp"
'设置进程运行参数
process.StartInfo.Arguments = "rundll32.exe shimgvw.dll"
Else
process.StartInfo.FileName = "mspaint.exe"
process.StartInfo.Arguments = "c:\a.bmp"
End If
'此项为是否使用Shell执行程序，因系统默认为true，此项也可不设，但若设置必须为true
'process.StartInfo.UseShellExecute = True
'此处可以更改进程所打开窗体的显示样式，可以不设
'process.StartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden
process.Start()
process.Close()
End Sub
Public Class Form1
Private TPS As Integer
Private TPPath() As String '定义不确定元素个数组，及动态数组
Private Sub LoadPhoto()
'将图片路径及图片名加载到数组
Dim JS As Integer '计数用
For Each foundFile As String In My.Computer.FileSystem.GetFiles(CurDir() "\职员图片")
TPS = TPS + 1 '将图片数存入变量中
Next
ReDim TPPath(TPS - 1) '确定数组大小
For Each FoundFile As String In My.Computer.FileSystem.GetFiles(CurDir() "\职员图片")
'将图片路径存入数组
TPPath(JS) = FoundFile
JS = JS + 1
Next
End Sub
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
LoadPhoto()
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Label1.Text = TPPath.Length '获取数组大小
Label1.Text = TPPath(1) '获取数组中第2个元素的值
End Sub
IO.Directory.GetFiles
获取指定目录中的所有文件，比对文件名就行了。如果包括多层子目录，需要递归
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！
转换成位图肯定是可以浏览的，WMF文件没试过。
你可以将图片以二进制形式存储在数据库中，如果是SQL Server，对应字段的类型应该是image。
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