Chilkat Examples

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Visual Basic 6.0 Examples

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(Visual Basic 6.0) Azure Blob Service - List all Containers in a Storage Account

Azure Storage Blob Service REST API: Lists all the containers in a storage account.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

'  Azure Blob Service Example: List all of the containers in an account.

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

Dim rest As New ChilkatRest

'  Connect to the Azure Storage Blob Service
Dim bTls As Long
bTls = 1
Dim port As Long
port = 443
Dim bAutoReconnect As Long
bAutoReconnect = 1
'  In this example, the storage account name is "chilkat".
Dim success As Long
success = rest.Connect("chilkat.blob.core.windows.net",port,bTls,bAutoReconnect)
If (success <> 1) Then
    Text1.Text = Text1.Text & rest.LastErrorText & vbCrLf
    Exit Sub
End If

'  Provide Azure Cloud credentials for the REST call.
Dim azAuth As New ChilkatAuthAzureStorage
azAuth.AccessKey = "AZURE_ACCESS_KEY"
'  The account name used here should match the 1st part of the domain passed in the call to Connect (above).
azAuth.Account = "chilkat"
azAuth.Scheme = "SharedKey"
azAuth.Service = "Blob"
'  This causes the "x-ms-version: 2015-02-21" header to be automatically added.
azAuth.XMsVersion = "2015-02-21"
success = rest.SetAuthAzureStorage(azAuth)

'  URI parameters, such as "maxresults", are added by calling AddQueryParam
success = rest.AddQueryParam("maxresults","1000")

'  Note: The application does not need to explicitly set the following
'  headers: x-ms-date, Authorization.  These headers
'  are automatically set by Chilkat.

Dim responseStr As String
responseStr = rest.FullRequestNoBody("GET","/?comp=list")
If (rest.LastMethodSuccess <> 1) Then
    Text1.Text = Text1.Text & rest.LastErrorText & vbCrLf
    Exit Sub
End If

'  When successful, the Azure Storage service will respond with a 200 response code,
'  with an XML body.
If (rest.ResponseStatusCode <> 200) Then
    '  Examine the request/response to see what happened.
    Text1.Text = Text1.Text & "response status code = " & rest.ResponseStatusCode & vbCrLf
    Text1.Text = Text1.Text & "response status text = " & rest.ResponseStatusText & vbCrLf
    Text1.Text = Text1.Text & "response header: " & rest.ResponseHeader & vbCrLf
    Text1.Text = Text1.Text & "response body (if any): " & responseStr & vbCrLf
    Text1.Text = Text1.Text & "---" & vbCrLf
    Text1.Text = Text1.Text & "LastRequestStartLine: " & rest.LastRequestStartLine & vbCrLf
    Text1.Text = Text1.Text & "LastRequestHeader: " & rest.LastRequestHeader & vbCrLf
    Exit Sub
End If

'  Load the XML response for parsing.
'  A sample XML response containing 2 containers is shown below.
Dim xml As New ChilkatXml
success = xml.LoadXml(responseStr)

Text1.Text = Text1.Text & xml.GetXml() & vbCrLf

'  Iterate over the containers, listing some information about each.
success = xml.FindChild2("Containers")
Dim numContainers As Long
numContainers = xml.NumChildren
Dim i As Long
i = 0
Do While (i < numContainers)
    success = xml.GetChild2(i)
    Text1.Text = Text1.Text & "Container Name: " & xml.GetChildContent("Name") & vbCrLf
    Dim lastModDateStr As String
    lastModDateStr = xml.ChilkatPath("Properties|Last-Modified|*")
    Text1.Text = Text1.Text & "Last Modified: " & lastModDateStr & vbCrLf
    '  The date/time string can be loaded into a CkDateTime object for conversion to other date formats..
    Dim dateTime As New CkDateTime
    success = dateTime.SetFromRfc822(lastModDateStr)

    Dim leaseState As String
    leaseState = xml.ChilkatPath("Properties|LeaseState|*")
    Text1.Text = Text1.Text & "Lease State: " & leaseState & vbCrLf

    success = xml.GetParent2()
    i = i + 1
Loop
success = xml.GetParent2()


/*

<?xml version="1.0" encoding="utf-8" ?>
<EnumerationResults ServiceEndpoint="https://chilkat.blob.core.windows.net/">
    <MaxResults>1000</MaxResults>
    <Containers>
        <Container>
            <Name>test</Name>
            <Properties>
                <Last-Modified>Wed, 20 Apr 2016 01:02:25 GMT</Last-Modified>
                <Etag>"0x8D368B77024C583"</Etag>
                <LeaseStatus>unlocked</LeaseStatus>
                <LeaseState>available</LeaseState>
            </Properties>
        </Container>
        <Container>
            <Name>test2</Name>
            <Properties>
                <Last-Modified>Tue, 03 May 2016 17:13:01 GMT</Last-Modified>
                <Etag>"0x8D373762EB6AC85"</Etag>
                <LeaseStatus>unlocked</LeaseStatus>
                <LeaseState>available</LeaseState>
            </Properties>
        </Container>
    </Containers>
    <NextMarker />
</EnumerationResults>


*/

 

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