(C# UWP/WinRT) Permanently Delete a Specific GMail Message

Immediately and permanently deletes the specified message. This operation cannot be undone. (This is not the same as moving a message to Trash.)

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.

bool success;

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

// The id of the GMail message to delete.
string id = "1669cc9a926bb8c1";
string userId = "me";

http.SetUrlVar("userId","me");
http.SetUrlVar("id",id);

// Delete the email.
string url = "https://www.googleapis.com/gmail/v1/users/{$userId}/messages/{$id}";
string responseStr = await http.QuickDeleteStrAsync(url);
if (http.LastMethodSuccess != true) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Debug.WriteLine("status = " + Convert.ToString(http.LastStatus));

// A 204 response indicate success.
// It is common for HTTP DELETE operations to respond with a 204 status code with an empty body for success.
// You'll find many REST APIs follow this custom..
if (http.LastStatus != 204) {
    Debug.WriteLine(responseStr);
    Debug.WriteLine("Failed.");
    return;
}

Debug.WriteLine("Message deleted!");