Sample code for 30+ languages & platforms
C#

Create a New GMail Label

See more GMail REST API Examples

Demonstrates how to create a new GMail label.

Chilkat C# Downloads

C#
bool success = false;

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

Chilkat.Http http = new Chilkat.Http();
http.AuthToken = "GMAIL-ACCESS-TOKEN";

string userId = "me";
http.SetUrlVar("userId",userId);

// Create the JSON to be sent in the HTTP request body.
// The name of the new label is "questions".
Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("name","questions");
json.UpdateString("labelListVisibility","labelShow");
json.UpdateString("messageListVisibility","show");

json.EmitCompact = false;
Debug.WriteLine(json.Emit());

// The JSON contains this:
// {
//   "name": "questions",
//   "labelListVisibility": "labelShow",
//   "messageListVisibility": "show"
// }

string url = "https://www.googleapis.com/gmail/v1/users/{$userId}/labels";
Chilkat.HttpResponse resp = new Chilkat.HttpResponse();
success = http.HttpJson("POST",url,json,"application/json",resp);
if (success == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Debug.WriteLine("status = " + Convert.ToString(resp.StatusCode));

// A 200 response status indicate success.
if (resp.StatusCode != 200) {
    Debug.WriteLine(resp.BodyStr);
    Debug.WriteLine("Failed.");
    return;
}

// A successful repsonse contains JSON that looks like this:

// {
//  "id": "Label_43",
//  "name": "questions",
//  "messageListVisibility": "show",
//  "labelListVisibility": "labelShow"
// }

Debug.WriteLine("response body:");
Debug.WriteLine(resp.BodyStr);

Debug.WriteLine("GMail label created!");