摘要：
View Code Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load BackgroundWorker1.WorkerReportsProgress = True BackgroundWorker1.WorkerSupportsCancellation = True End Sub Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handl 阅读全文
