VB.NET窗体关闭事件

Private Sub Form1_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
        If MsgBox("确认关闭?", vbYesNo, "提示") = vbNo Then
            e.Cancel = True
        Else
            Me.Dispose()
        End If
    End Sub