Private Sub btnUpload_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnUpload.Click
Try
Dim file As New OpenFileDialog()
file.Filter = "Image FilesImage Files(*.jpg; *.jpeg; *.gif; *.bmp)|*.jpg; *.jpeg; *.gif; *.bmp" 'you can 'ad more extension
If (file.ShowDialog() = DialogResult.OK) Then
Dim filename As String = System.IO.Path.GetFullPath(file.FileName)
picBox.Image = New Bitmap(file.FileName)
Me.picBox.SizeMode = PictureBoxSizeMode.StretchImage
End If
Catch ex As Exception
End Try
End Sub