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Thread: CopyFile <--> Does it replace files as well!

  1. #1

    Thread Starter
    Fanatic Member
    Join Date
    Aug 2000
    Posts
    879
    What's up!
    Code:
    FileCopy "Exe.exe", "C:\WinMe\EXE.exe"
    Would That replace the existing EXE.exe in the windows directory "The exe.exe in the windows directory is already running"???
    And If it doesn't replace the file, please show me a way that will force overwrite the file! Thanx
    Visual Basic 6.0
    Visual C++ 5
    Delphi 5


  2. #2
    Addicted Member
    Join Date
    Aug 2000
    Posts
    208
    To be sure to replace the old file, if there is one,
    do this :


    Code:
    Function CopyFile (SourcePath As String,RemotePath As String, FileName As String)
    
       If LCase$(Dir$(RemotePath & "\" & FileName)) = FileName Then
           Kill RemotePath & "\" & FileName
       End If
    
       FileCopy SourcePath & "\" & FileName , RemotePath & "\" & FileName
    
    End Function
    It should work well .. ;0)

  3. #3
    Frenzied Member Jop's Avatar
    Join Date
    Mar 2000
    Location
    Amsterdam, the Netherlands
    Posts
    1,986
    I think it would not work well if the exe is running

    anyway:
    Code:
       If LCase$(Dir$(RemotePath & "\" & FileName)) = FileName Then
           Kill RemotePath & "\" & FileName
       End If
    should be
    Code:
       If Len(Dir$(RemotePath & "\" & FileName)) Then
           Kill RemotePath & "\" & FileName
       End If
    bye
    Jop - validweb.nl

    Alcohol doesn't solve any problems, but then again, neither does milk.

  4. #4

    Thread Starter
    Fanatic Member
    Join Date
    Aug 2000
    Posts
    879
    Does that replace the file even tho if it is in use!
    Visual Basic 6.0
    Visual C++ 5
    Delphi 5


  5. #5
    Guest
    A file cannot be replaced if it's running, but you can always close, delete, and copy.

    Code:
    Private Declare Function ProcessFirst Lib "kernel32" _
    Alias "Process32First" (ByVal hSnapshot As Long, uProcess _
    As PROCESSENTRY32) As Long
    
    Private Declare Function ProcessNext Lib "kernel32" _
    Alias "Process32Next" (ByVal hSnapshot As Long, uProcess As _
    PROCESSENTRY32) As Long
    
    Private Declare Function CreateToolhelpSnapshot Lib "kernel32" _
    Alias "CreateToolhelp32Snapshot" (ByVal lFlags As Long, _
    lProcessID As Long) As Long
    
    Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject _
    As Long) As Long
    
    Private Declare Function OpenProcess Lib "kernel32" (ByVal _
    dwDesiredAccess As Long, ByVal bInheritHandle As Long, _
    ByVal dwProcessId As Long) As Long
    
    Private Declare Function TerminateProcess Lib "kernel32" _
    (ByVal hProcess As Long, ByVal uExitCode As Long) As Long
    
    Type PROCESSENTRY32
        dwSize As Long
        cntUsage As Long
        th32ProcessID As Long
        th32DefaultHeapID As Long
        th32ModuleID As Long
        cntThreads As Long
        th32ParentProcessID As Long
        pcPriClassBase As Long
        dwFlags As Long
        szexeFile As String * MAX_PATH
        End Type
    
    
    Private Function KillApp(myName As String) As Boolean
        Const PROCESS_ALL_ACCESS = 0
        Dim uProcess As PROCESSENTRY32
        Dim rProcessFound As Long
        Dim hSnapshot As Long
        Dim szExename As String
        Dim exitCode As Long
        Dim myProcess As Long
        Dim AppKill As Boolean
        Dim appCount As Integer
        Dim i As Integer
        On Local Error GoTo Finish
        appCount = 0
        
        Const TH32CS_SNAPPROCESS As Long = 2&
        
        uProcess.dwSize = Len(uProcess)
        hSnapshot = CreateToolhelpSnapshot(TH32CS_SNAPPROCESS, _
    0&)
        rProcessFound = ProcessFirst(hSnapshot, uProcess)
        
        Do While rProcessFound
            i = InStr(1, uProcess.szexeFile, Chr(0))
            szExename = LCase$(Left$(uProcess.szexeFile, i - 1))
            If Right$(szExename, Len(myName)) = LCase$(myName) Then
                KillApp = True
                appCount = appCount + 1
                myProcess = OpenProcess(PROCESS_ALL_ACCESS, _
    False, uProcess.th32ProcessID)
                AppKill = TerminateProcess(myProcess, exitCode)
                Call CloseHandle(myProcess)
            End If
            rProcessFound = ProcessNext(hSnapshot, uProcess)
        Loop
    
        Call CloseHandle(hSnapshot)
    Finish:
    End Function
    
    
    Usage
    Private Sub Command1_Click()
         On Error Resume Next
         If Len(Dir("C:\MyFile.exe")) <> 0 Then
              Call KillApp("C:\MyFile.exe")
              FileCopy "C:\MyFile.exe", "C:\MyFolder\MyFile.exe"
              'or FileCopy "C:\MyFolder\MyFile.exe", "C:\MyFile.exe"
         End If
    End Sub

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