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(C# UWP/WinRT) OneDrive -- Upload Binary Data from Memory

See more OneDrive Examples

Demonstrates how to upload binary data directly from memory to the signed-in user's OneDrive. This uses OneDrive's simple upload API to upload in a single API call, which only supports uploads up to 4MB in size. (See the other example(s) for uploading larger files.)

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.

Chilkat.Http http = 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";

// First, let's download a PDF from the web directly into memory.  Then upload the PDF
// to OneDrive.
Chilkat.BinData pdfBytes = new Chilkat.BinData();
bool success = await http.QuickGetBdAsync("https://www.chilkatsoft.com/data/pdf/sample.pdf",pdfBytes);
if (success != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

// Upload the PDF to our OneDrive to /someFolder/sample.pdf
Chilkat.HttpRequest req = new Chilkat.HttpRequest();
req.HttpVerb = "PUT";
// If not using "me", then the path should be /v1.0/users/{id | userPrincipalName}/...
req.Path = "/v1.0/me/drive/root:/someFolder/sample.pdf:/content";
req.LoadBodyFromBd(pdfBytes);
// If you're uploading a file and don't know what the Content-Type should be,
// just use "application/octet-stream".  
req.ContentType = "application/pdf";

Chilkat.HttpResponse resp = await http.SynchronousRequestAsync("graph.microsoft.com",443,true,req);
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

// If successful, a 201 status code is returned, with the driveItem object in the response body for the newly created file.
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.EmitCompact = false;
json.Load(resp.BodyStr);

if (resp.StatusCode != 201) {
    Debug.WriteLine(json.Emit());
    Debug.WriteLine("Response status = " + Convert.ToString(resp.StatusCode));

    return;
}

// Success.  Examine the driveItem JSON object:
Debug.WriteLine(json.Emit());
Debug.WriteLine("-- Success --");

// Here is a sample successful response:

// {
//   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/drive/root/$entity",
//   "@microsoft.graph.downloadUrl": "https://s5ucmg.dm2301.livefilestore.com/y4ppZYP8kjqVleyrDvphxvO8vSRxNRcYn75t5K6gNARH1cDMI3CBH3XvZ7nNHJoKMg7lQo41XLaaYiQDw1EdRg9QNTv_rtDXOnUwaipJfJyTlNXh6WOljIXOm1R2fHDk2tDq_9C9gB-prnN2NxhnXZw08YQyTnpHZXIz1w9xBxqkPn0tzF-aQSldx5e15t93Ftd1AqigReYgpF1gXtIISQs7hk2JRAYhW2d84HxEuqDXdw",
//   "createdBy": {
//     "application": {
//       "displayName": "Chilkat",
//       "id": "441c9990"
//     },
//     "user": {
//       "displayName": "Matt Smith",
//       "id": "3a33fceb9b74cc15"
//     }
//   },
//   "createdDateTime": "2017-06-03T18:18:17.7Z",
//   "cTag": "aYzozQTMzRkNFQjlCNzRDQzE1ITQ4NjcuMjU3",
//   "eTag": "aM0EzM0ZDRUI5Qjc0Q0MxNSE0ODY3LjA",
//   "id": "3A33FCEB9B74CC15!4867",
//   "lastModifiedBy": {
//     "application": {
//       "displayName": "Chilkat",
//       "id": "441c9990"
//     },
//     "user": {
//       "displayName": "Matt Smith",
//       "id": "3a33fceb9b74cc15"
//     }
//   },
//   "lastModifiedDateTime": "2017-06-03T18:18:17.7Z",
//   "name": "sample.pdf",
//   "parentReference": {
//     "driveId": "3a33fceb9b74cc15",
//     "id": "3A33FCEB9B74CC15!4862",
//     "name": "someFolder",
//     "path": "/drive/root:/someFolder"
//   },
//   "size": 178399,
//   "webUrl": "https://1drv.ms/b/s!ABXMdJvr_DM6pgM",
//   "file": {
//     "hashes": {
//       "sha1Hash": "1456955C84C2DAC9DA613DC80E3017533BDC368A"
//     },
//     "mimeType": "application/pdf"
//   },
//   "fileSystemInfo": {
//     "createdDateTime": "2017-06-03T18:18:17.7Z",
//     "lastModifiedDateTime": "2017-06-03T18:18:17.7Z"
//   }
// }

 

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