Imports System.IO
Public Class Form1
Dim flst As New List(Of String)
Dim elst As New List(Of String)
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim dir As New DirectoryInfo("pic")
For Each fl As FileInfo In dir.GetFiles
flst.Add(IO.Path.GetFileNameWithoutExtension(fl.FullName))
elst.Add(IO.Path.GetExtension(fl.FullName))
Next
End Sub
Private Sub picid_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles picid.KeyDown
If e.KeyData = Keys.Enter Then
Dim fpic As String = flst(flst.IndexOf(Val(picid.Text))) & elst(flst.IndexOf(Val(picid.Text)))
pic.Image = Image.FromFile("pic\" & fpic)
End If
picid.SelectAll()
picid.Focus()
End Sub
End Class