Partial Public Class MainPage Inherits UserControl Public Sub New() InitializeComponent() End Sub Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs) Handles Button1.Click Dim dlgOpen As New OpenFileDialog dlgOpen.Multiselect = False dlgOpen.Filter = "All Files|*.*" If dlgOpen.ShowDialog Then Dim myWebclient As New WebClient AddHandler myWebclient.UploadProgressChanged, AddressOf myWebclient_ProgressChanged Dim urlUI As New Uri("http://localhost:60187/Handler1.ashx") myWebclient.UploadStringAsync(urlUI, dlgOpen.File.OpenText.ReadToEnd) End If End Sub Private Sub myWebclient_ProgressChanged(ByVal sender As Object, ByVal e As UploadProgressChangedEventArgs) Button1.Content = e.ProgressPercentage End Sub End Class
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