(VB.NET UWP/WinRT) OneDrive -- Create a New Folder

Demonstrates how to create a new folder.

Note: This example requires Chilkat v9.5.0.68 or greater.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

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

Dim http As New Chilkat.Http

' Use your previously obtained access token here:
' See the following examples for getting an access token:
'    Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
'    Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
'    Refresh Access Token (Azure AD v2.0 Endpoint).
'    Refresh Access Token (Azure AD Endpoint).

' (Make sure your token was obtained with the Files.ReadWrite scope.)
http.AuthToken = "MICROSOFT_GRAPH_ACCESS_TOKEN"

' To create a new folder, send a POST request like this:
' POST /me/drive/items/{parent-item-id}/children

' We first need to get the item-id for the folder where the new folder will be created.
' This example will create a new folder named "abc" within /someFolder,
' so we need the item-id for /someFolder.
Dim json As New Chilkat.JsonObject
json.EmitCompact = False
Dim resp As String = Await http.QuickGetStrAsync("https://graph.microsoft.com/v1.0/me/drive/root:/someFolder")
If (http.LastMethodSuccess <> True) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If

json.Load(resp)
If (http.LastStatus <> 200) Then
    Debug.WriteLine("Failed to get parent folder item id, status code = " & http.LastStatus)
    Exit Sub
End If


' Set the URL var for the next request which will create the new folder.
http.SetUrlVar("parent_item_id",json.StringOf("id"))

' The HTTP request body should contain JSON like this:

' 	{
' 	  "name": "abc",
' 	  "folder": { }
' 	}

Dim jsonReqBody As New Chilkat.JsonObject
jsonReqBody.AppendString("name","abc")
Dim jObj As Chilkat.JsonObject = jsonReqBody.AppendObject("folder")

Debug.WriteLine("JSON body:")
Debug.WriteLine(jsonReqBody.Emit())

Dim url As String = "https://graph.microsoft.com/v1.0/me/drive/items/{$parent_item_id}/children"
Dim resp As Chilkat.HttpResponse = Await http.PostJson2Async(url,"application/json",jsonReqBody.Emit())
If (http.LastMethodSuccess <> True) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


json.Load(resp.BodyStr)
Debug.WriteLine("Response:")
Debug.WriteLine(json.Emit())

' A 201 response indicates success.
If (resp.StatusCode <> 201) Then
    Debug.WriteLine("Failed to create folder.")
    Debug.WriteLine("Response status code = " & resp.StatusCode)
Else
    Debug.WriteLine("Successfully created folder.")
End If



' A successful response:

' 	{
' 	  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/drive/items('3A33FCEB9B74CC15%214862')/children/$entity",
' 	  "createdBy": {
' 	    "application": {
' 	      "displayName": "Chilkat",
' 	      "id": "441c9990"
' 	    },
' 	    "user": {
' 	      "displayName": "Matt Smith",
' 	      "id": "3a33fceb9b74cc15"
' 	    }
' 	  },
' 	  "createdDateTime": "2017-06-04T16:02:22.203Z",
' 	  "cTag": "adDozQTMzRkNFQjlCNzRDQzE1ITQ4NzAuNjM2MzIxODg5NDIyMDMwMDAw",
' 	  "eTag": "aM0EzM0ZDRUI5Qjc0Q0MxNSE0ODcwLjA",
' 	  "id": "3A33FCEB9B74CC15!4870",
' 	  "lastModifiedBy": {
' 	    "application": {
' 	      "displayName": "Chilkat",
' 	      "id": "441c9990"
' 	    },
' 	    "user": {
' 	      "displayName": "Matt Smith",
' 	      "id": "3a33fceb9b74cc15"
' 	    }
' 	  },
' 	  "lastModifiedDateTime": "2017-06-04T16:02:22.203Z",
' 	  "name": "abc",
' 	  "parentReference": {
' 	    "driveId": "3a33fceb9b74cc15",
' 	    "id": "3A33FCEB9B74CC15!4862",
' 	    "name": "someFolder",
' 	    "path": "/drive/root:/someFolder"
' 	  },
' 	  "size": 0,
' 	  "webUrl": "https://1drv.ms/f/s!ABXMdJvr_DM6pgY",
' 	  "fileSystemInfo": {
' 	    "createdDateTime": "2017-06-04T16:02:22.203Z",
' 	    "lastModifiedDateTime": "2017-06-04T16:02:22.203Z"
' 	  },
' 	  "folder": {
' 	    "childCount": 0
' 	  }
' 	}
' 
' 	Successfully created folder.