/// <summary>
/// Change recipient
/// </summary>
/// <param name="sender"></param>
private void ButtonChangeRecepientClick_OnClick(object sender)
{
//Call the dialog box for entering the recipient's nickname
WindowInputDialog windowInputDialogChangeRecepient =
new WindowInputDialog("Input new recepient name", "Change");
windowInputDialogChangeRecepient.ShowDialog();
if (!string.IsNullOrEmpty(windowInputDialogChangeRecepient.InputModel.TextEdit))
{
//If the data was entered we change the value of the recipient field to the values from the dialog
Rrecpient = windowInputDialogChangeRecepient.InputModel.TextEdit;
}
}
/// <summary>
/// Initialization method, starts the process of connecting to the service telegram
/// </summary>
/// <returns></returns>
public async static Task Initial()
{
/*Telegram methods do not always behave predictably.
* Most of them simply block the flow if you set a await on it.*/
_client = new TelegramClient(DevConstants.API_ID, DevConstants.API_HASH);
_client.ConnectAsync();
if (!_client.IsUserAuthorized())
{
//Creating a dialogue to enter the user's phone
WindowInputDialog inputDialogPhone = new WindowInputDialog("Please input your phone number", "Send autorize message");
inputDialogPhone.ShowDialog();
string phone = inputDialogPhone.InputModel.TextEdit;
if (string.IsNullOrEmpty(phone))
{
throw new Exception("Wrong phone");
}
string hash = string.Empty;
/*Due to the fact that all methods are asynchronous,
* cannot be await and have no synchronous counterparts,
* you have to use similar hacks to get data from them*/
_client.SendCodeRequestAsync(phone).ContinueWith(hashAsync => { hash = hashAsync.Result; });
WindowInputDialog inputDialogAuthMsg =
new WindowInputDialog("Please input telegram authorize message", "OK");
//Creating a dialogue to enter a temporary password (comes in active telegram clients or SMS)
inputDialogAuthMsg.ShowDialog();
string authMsg = inputDialogAuthMsg.InputModel.TextEdit;
if (string.IsNullOrEmpty(authMsg))
{
throw new Exception("Wrong authorize message");
}
//Authorization confirmation method again using hacks
_client.MakeAuthAsync(phone, hash, authMsg).ContinueWith(user => { _user = user.Result; });
}
}