(Visual Basic 6.0) MS Graph Calendars List

Get all the user's calendars (/calendars navigation property), get the calendars from the default calendar group or from a specific calendar group.

For more details, see https://docs.microsoft.com/en-us/graph/api/user-list-calendars?view=graph-rest-1.0

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

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

Dim http As New ChilkatHttp

' Use your previously obtained access token as shown here:
'    Get Microsoft Graph OAuth2 Access Token with Calendars.ReadWrite scope.

Dim jsonToken As New ChilkatJsonObject
Dim success As Long
success = jsonToken.LoadFile("qa_data/tokens/msGraphCalendar.json")
If (success = 0) Then
    Debug.Print jsonToken.LastErrorText
    Exit Sub
End If

http.AuthToken = jsonToken.StringOf("access_token")

' Send a GET request to https://graph.microsoft.com/v1.0/me/calendars
Dim strResponse As String
strResponse = http.QuickGetStr("https://graph.microsoft.com/v1.0/me/calendars")
If (http.LastMethodSuccess = 0) Then
    Debug.Print http.LastErrorText
    Exit Sub
End If

Dim json As New ChilkatJsonObject
success = json.Load(strResponse)
json.EmitCompact = 0

If (http.LastStatus <> 200) Then
    Debug.Print json.Emit()
    Debug.Print "Failed, response status code = " & http.LastStatus
    Exit Sub
End If

Debug.Print json.Emit()

' Sample output:

' {
'   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('admin%40chilkat.io')/calendars",
'   "value": [
'     {
'       "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEGAAAA5_vF7TKKdE6bGCRqXyl2PQAAAiCsAAAA",
'       "name": "Calendar",
'       "color": "auto",
'       "changeKey": "5+vF7TKKdE6bGCRqXyl2PQAAAAAiEQ==",
'       "canShare": true,
'       "canViewPrivateItems": true,
'       "canEdit": true,
'       "owner": {
'         "name": "...",
'         "address": "outlook_3A33FCEB9B74CC15@outlook.com"
'       }
'     },
'     {
'       "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEGAAAA5_vF7TKKdE6bGCRqXyl2PQAClEpRTgAAAA==",
'       "name": "Work",
'       "color": "auto",
'       "changeKey": "5+vF7TKKdE6bGCRqXyl2PQAClHjDcA==",
'       "canShare": true,
'       "canViewPrivateItems": true,
'       "canEdit": true,
'       "owner": {
'         "name": "...",
'         "address": "outlook_3A33FCEB9B74CC15@outlook.com"
'       }
'     }
'   ]
' }
' 
' Use this online tool to generate parsing code from sample JSON: 
' Generate Parsing Code from JSON

Dim odataContext As String
Dim i As Long
Dim count_i As Long
Dim id As String
Dim name As String
Dim color As String
Dim changeKey As String
Dim canShare As Long
Dim canViewPrivateItems As Long
Dim canEdit As Long
Dim ownerName As String
Dim ownerAddress As String

odataContext = json.StringOf("""@odata.context""")
i = 0
count_i = json.SizeOfArray("value")
Do While i < count_i
    json.I = i
    id = json.StringOf("value[i].id")
    name = json.StringOf("value[i].name")
    color = json.StringOf("value[i].color")
    changeKey = json.StringOf("value[i].changeKey")
    canShare = json.BoolOf("value[i].canShare")
    canViewPrivateItems = json.BoolOf("value[i].canViewPrivateItems")
    canEdit = json.BoolOf("value[i].canEdit")
    ownerName = json.StringOf("value[i].owner.name")
    ownerAddress = json.StringOf("value[i].owner.address")
    i = i + 1
Loop

Debug.Print "Success."