fileoperationlistener.vb

以前做NOKIA手机与PC通信时所参考的源代码,里面包括两个程序,一个是手机文件夹浏览源码,另一个手机SIS安装程序.

'Filename    : FileOperationListener.vb
'Part of     : Phone Navigator
'Description : Implementation of phone navigators file operation listener
'Version     : 3.2
'
'This example is only to be used with PC Connectivity API version 3.2.
'Compability ("as is") with future versions is not quaranteed.
'
'Copyright (c) 2005-2007 Nokia Corporation.
'
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'Corporation and/or its licensors.
'All rights are reserved. Reproducing, modifying, translating, or 
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'of Nokia Corporation. Nokia Corporation retains the right to make changes 
'to this material at any time without notice. A copyright license is hereby 
'granted to download and print a copy of this material for personal use only.
'No other license to any other intellectual property rights is granted. The 
'material is provided "as is" without warranty of any kind, either express or 
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Imports System.Runtime.InteropServices

'===================================================================
' FileOperationListener
Public Class FileOperationListener
    Private m_hFS As Integer
    Private pFSCallBack As FSNotifyCallbackDelegate

    '===================================================================
    ' StartListening
    '
    ' Start listening file operation notifications
    '===================================================================
    Public Sub StartListening(ByVal hwndParent As IntPtr, ByVal hFS As Integer, ByVal title As String, ByVal line1 As String, ByVal line2 As String)
        m_hFS = hFS
        ' Register file system notification callback function
        pFSCallBack = AddressOf FSNotifyCallback
        Dim iResult As Integer = CONARegisterFSNotifyCallback(m_hFS, API_REGISTER, pFSCallBack)
        If iResult <> CONA_OK Then ShowErrorMessage("FileOperationListener::StartListening(): CONARegisterFSNotifyCallback", iResult)
        MainForm.LBX_PhoneFiles.ResetContent()
        MainForm.StartProgress(title, line1, line2)
    End Sub

    '===================================================================
    ' FSNotifyCallback
    '
    ' Call back function for file operation notifications
    '===================================================================
    Public Function FSNotifyCallback(ByVal iOperation As Integer, ByVal iStatus As Integer, ByVal iTransferredBytes As Integer, ByVal iAllBytes As Integer) As Integer
        FSNotifyCallback = CONA_OK
        MainForm.SetProgress(iStatus)
        If MainForm.IsCancelled Then
            FSNotifyCallback = ECONA_CANCELLED
        End If
    End Function

    '===================================================================
    ' StopListening
    '
    ' Stop listening file operation notifications
    '===================================================================
    Public Sub StopListening()
        ' Unregister file system notification callback function
        Dim iResult As Integer = CONARegisterFSNotifyCallback(m_hFS, API_UNREGISTER, pFSCallBack)
        If iResult <> CONA_OK Then ShowErrorMessage("FileOperationListener::StopListening(): CONARegisterFSNotifyCallback", iResult)
        MainForm.StopProgress()
    End Sub
End Class