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Visual Basic 6.0 Examples

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(Visual Basic 6.0) Delete All Files

Permanently deletes all files owned by the user without moving it to the trash.

This example works by first getting a list of all fileIds, and then iterating over the list to delete each file.

See Google Drive Files delete for more information.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Dim success As Long
success = 1

'  It requires the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

'  This example uses a previously obtained access token having permission for the
'  Google Drive scope.

Dim gAuth As New ChilkatAuthGoogle
gAuth.AccessToken = "GOOGLE-DRIVE-ACCESS-TOKEN"

Dim rest As New ChilkatRest

'  Connect using TLS.
Dim bAutoReconnect As Long
bAutoReconnect = 1
success = rest.Connect("www.googleapis.com",443,1,bAutoReconnect)

'  Provide the authentication credentials (i.e. the access token)
success = rest.SetAuthGoogle(gAuth)

'  Get 10 results per page for testing.  (The default page size is 100, with a max of 1000.
success = rest.AddQueryParam("pageSize","10")

Dim json As New ChilkatJsonObject
Dim i As Long
Dim numFiles As Long

'  Send the request for the 1st page.
Dim jsonResponse As String
jsonResponse = rest.FullRequestNoBody("GET","/drive/v3/files")

Dim pageNumber As Long
pageNumber = 1
Dim pageToken As String
Dim bContinueLoop As Long
bContinueLoop = rest.LastMethodSuccess And (rest.ResponseStatusCode = 200)

Dim fileId As String
Dim saFileIds As New CkStringArray

Do While bContinueLoop = 1

    Debug.Print "---- Page " & pageNumber & " ----"
    success = json.Load(jsonResponse)

    numFiles = json.SizeOfArray("files")
    i = 0
    Do While i < numFiles
        json.I = i
        fileId = json.StringOf("files[i].id")
        Debug.Print "name: " & json.StringOf("files[i].name")
        Debug.Print "id: " & fileId
        success = saFileIds.Append(fileId)
        i = i + 1
    Loop

    '  Get the next page of files.
    '  If the "nextPageToken" is present in the JSON response, then use it in the "pageToken" parameter
    '  for the next request.   If no "nextPageToken" was present, then this was the last page of files.
    pageToken = json.StringOf("nextPageToken")
    bContinueLoop = 0
    Dim bHasMorePages As Long
    bHasMorePages = json.LastMethodSuccess
    If (bHasMorePages = 1) Then
        success = rest.ClearAllQueryParams()
        success = rest.AddQueryParam("pageSize","10")
        success = rest.AddQueryParam("pageToken",pageToken)
        jsonResponse = rest.FullRequestNoBody("GET","/drive/v3/files")
        bContinueLoop = rest.LastMethodSuccess And (rest.ResponseStatusCode = 200)
        pageNumber = pageNumber + 1
    End If

Loop

'  Before actually deleting, check for errors...
If (rest.LastMethodSuccess <> 1) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

'  A successful response will have a status code equal to 200.
If (rest.ResponseStatusCode <> 200) Then
    Debug.Print "response status code = " & rest.ResponseStatusCode
    Debug.Print "response status text = " & rest.ResponseStatusText
    Debug.Print "response header: " & rest.ResponseHeader
    Debug.Print "response JSON: " & jsonResponse
    Exit Sub
End If

'  OK, we have the full list of files.  Delete each..
Dim sbPath As New ChilkatStringBuilder
numFiles = saFileIds.Count
i = 0
Do While i < numFiles
    fileId = saFileIds.GetString(i)

    success = rest.ClearAllQueryParams()

    sbPath.Clear 
    success = sbPath.Append("/drive/v3/files/")
    success = sbPath.Append(fileId)

    jsonResponse = rest.FullRequestNoBody("DELETE",sbPath.GetAsString())
    If (rest.LastMethodSuccess <> 1) Then
        Debug.Print rest.LastErrorText
        Exit Sub
    End If

    '  A successful response will have a status code equal to 204 and the response body is empty.
    '  (If not successful, then there should be a JSON response body with information..)
    If (rest.ResponseStatusCode <> 204) Then
        Debug.Print "response status code = " & rest.ResponseStatusCode
        Debug.Print "response status text = " & rest.ResponseStatusText
        Debug.Print "response header: " & rest.ResponseHeader
        Debug.Print "response JSON: " & jsonResponse
        Exit Sub
    End If

    i = i + 1
    Debug.Print i & ": Deleted " & fileId
Loop

Debug.Print "All Files Deleted."

 

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