(.NET Core C#) OneDrive -- List Non-Root Directory

See more OneDrive Examples

This gets the collection of DriveItem children for a non-root DriveItem. This is the same as for getting the children for the root DriveItem, except the URL includes the path to the desired non-root DriveItem.

Note: This example requires Chilkat v9.5.0.97 or greater.

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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 the OAuth client credentials flow.
// See How to Create an Azure App Registration for OAuth 2.0 Client Credentials

// Use your client ID, client secret, and tenant ID in the following lines
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("client_id","2871da2c-8176-4b7f-869b-2311aa82e743");
json.UpdateString("client_secret","2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH");
json.UpdateString("scope","https://graph.microsoft.com/.default");
json.UpdateString("token_endpoint","https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token");

Chilkat.Http http = new Chilkat.Http();
http.AuthToken = json.Emit();

// Send a Get request like this:
// GET /users/{user-id}/drive/root:/{item-path}:/children

// This example will get the DriveItems in /TestDir
// (In other words, we're getting the directory listing for /TestDir.)
http.SetUrlVar("item_path","/TestDir");
http.SetUrlVar("user_id","4fe732c3-322e-4a6b-b729-2fd1eb5c6104");

string resp = http.QuickGetStr("https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:{$item_path}:/children");
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

// The response should be JSON.
json.EmitCompact = false;
json.Load(resp);

// A successful response should return a status code of 200.
if (http.LastStatus != 200) {
    Debug.WriteLine(json.Emit());
    Debug.WriteLine("Response status = " + Convert.ToString(http.LastStatus));
    return;
}

Debug.WriteLine(json.Emit());

Chilkat.CkDateTime lastMod = new Chilkat.CkDateTime();
Chilkat.CkDateTime photoTaken = new Chilkat.CkDateTime();

// Iterate over the DriveItems in the JSON response:
int i = 0;
int numItems = json.SizeOfArray("value");
while (i < numItems) {
    json.I = i;
    Debug.WriteLine("-- DriveItem " + Convert.ToString(i + 1));
    Debug.WriteLine("id: " + json.StringOf("value[i].id"));
    Debug.WriteLine("name: " + json.StringOf("value[i].name"));
    Debug.WriteLine("size: " + Convert.ToString(json.IntOf("value[i].size")));

    // Get the lastModifiedDateTime
    lastMod.SetFromTimestamp(json.StringOf("value[i].fileSystemInfo.lastModifiedDateTime"));

    // Is this a folder?
    if (json.HasMember("value[i].folder") == true) {
        Debug.WriteLine("This is a folder with " + Convert.ToString(json.IntOf("value[i].folder.childCount")) + " children");
    }

    if (json.HasMember("value[i].file") == true) {
        Debug.WriteLine("This is a file.");
        Debug.WriteLine("SHA1 hash: " + json.StringOf("value[i].file.hashes.sha1Hash"));
        Debug.WriteLine("mimeType: " + json.StringOf("value[i].mimeType"));
    }

    if (json.HasMember("value[i].image") == true) {
        Debug.WriteLine("This is an image.");
        Debug.WriteLine("height: " + Convert.ToString(json.IntOf("value[i].image.height")));
        Debug.WriteLine("width: " + Convert.ToString(json.IntOf("value[i].image.width")));
    }

    if (json.HasMember("value[i].photo") == true) {
        Debug.WriteLine("This is a photo.");
        photoTaken.SetFromTimestamp(json.StringOf("value[i].photo.takenDateTime"));
        Debug.WriteLine("photo taken on " + photoTaken.GetAsRfc822(true));
    }

    if (json.HasMember("value[i].audio") == true) {
        Debug.WriteLine("This is an audio file.");
        Debug.WriteLine("duration: " + Convert.ToString(json.IntOf("value[i].audio.duration")));
    }

    i = i + 1;
}