如何關閉 PrintDocument 正在列印對話方塊

Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
       Try
       Dim m_PrintDocument = New Printing.PrintDocument
       Dim printControl = New Printing.StandardPrintController ' 重點
       m_PrintDocument.PrintController = printControl  '重點
       m_PrintDocument.Print()
       End Sub