(Visual Basic 6.0) Get a Google Calendar

See more Google Calendar Examples

Demonstrates how to get a particular Google Calendar. The calendar can be referenced by the calendar ID, or by the keyword "primary".

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' This example 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 Calendar scope.

' In this example, Get Google Calendar OAuth2 Access Token, the access
' token was saved to a JSON file.  This example fetches the access token from the file..
Dim jsonToken As New ChilkatJsonObject
Dim success As Long
success = jsonToken.LoadFile("qa_data/tokens/googleCalendar.json")
If (jsonToken.HasMember("access_token") = 0) Then
    Debug.Print "No access token found."
    Exit Sub
End If

Dim http As New ChilkatHttp
http.AuthToken = jsonToken.StringOf("access_token")

' Let's get the primary calendar.
Dim jsonResponse As String
jsonResponse = http.QuickGetStr("https://www.googleapis.com/calendar/v3/users/me/calendarList/primary")
If (http.LastMethodSuccess <> 1) Then
    Debug.Print http.LastErrorText
    Exit Sub
End If

Debug.Print jsonResponse

' A sample response is:

' {
'  "kind": "calendar#calendarListEntry",
'  "etag": "\"1465249947472000\"",
'  "id": "support@chilkatcloud.com",
'  "summary": "support@chilkatcloud.com",
'  "timeZone": "America/Chicago",
'  "colorId": "14",
'  "backgroundColor": "#9fe1e7",
'  "foregroundColor": "#000000",
'  "selected": true,
'  "accessRole": "owner",
'  "defaultReminders": [
'   {
'    "method": "popup",
'    "minutes": 10
'   }
'  ],
'  "notificationSettings": {
'   "notifications": [
'    {
'     "type": "eventCreation",
'     "method": "email"
'    },
'    {
'     "type": "eventChange",
'     "method": "email"
'    },
'    {
'     "type": "eventCancellation",
'     "method": "email"
'    },
'    {
'     "type": "eventResponse",
'     "method": "email"
'    }
'   ]
'  },
'  "primary": true
' }

' It can be parsed like this:
Dim json As New ChilkatJsonObject
success = json.Load(jsonResponse)

Debug.Print "kind: " & json.StringOf("kind")
Debug.Print "id: " & json.StringOf("id")

' Examine the notification settings, if any..
Dim numSettings As Long
numSettings = json.SizeOfArray("notificationSettings.notifications")
If (numSettings > 0) Then
    Dim i As Long
    i = 0
    Do While i < numSettings
        json.I = i
        Debug.Print "Notification Type: " & json.StringOf("notificationSettings.notifications[i].type")
        Debug.Print "Notification Method: " & json.StringOf("notificationSettings.notifications[i].method")
        i = i + 1
    Loop
End If