public async Task SendFile(Peer peer, int receiverId, string path, string caption)
{
var receiver = await GetInputPeer(peer, receiverId);
path = path.Trim('"');
var str = path.Split('\\');
using (var stream = new FileStream(path, FileMode.Open))
{
//var fileResult = await _client.UploadFile(str[str.Length - 1], new StreamReader(stream));
//await _client.SendUploadedPhoto(reciever, fileResult, caption);
var fileResult = await _client.UploadFile(str[str.Length - 1], new StreamReader(stream));
var attr = new TlVector <TlAbsDocumentAttribute>();
var filename = new TlDocumentAttributeFilename {
FileName = str[str.Length - 1]
};
attr.Lists.Add(filename);
var update = await _client.SendUploadedDocument(receiver, fileResult, caption, String.Empty, attr);
OnSendMessage?.Invoke(GetMessage(update));
}
}