public static void DeleteAllUnreadMessages()
{
Credential = Preparation.GetUserCredential();
var messages = Messages.ListMessages(Preparation.GetService(Credential), User, "in:inbox is:unread");
if (!messages.Any())
{
return;
}
foreach (var message in messages)
{
Messages.DeleteMessage(Service, User, message.Id);
}
}
static Gmail()
{
Credential = Preparation.GetUserCredential();
Service = Preparation.GetService(Credential);
}