private void BtnSend_Click(object sender, EventArgs e)
{
if (selectedContact != null)
{
if (string.IsNullOrWhiteSpace(TxtInput.Text))
{
MessageBox.Show("The message must not be empty.");
}
else
{
MessageService.SendMessage(selectedContact, TxtInput.Text);
PrintMessage(MessageRepo.GetLastMessage(selectedContact));
TxtInput.ResetText();
}
}
else
{
MessageBox.Show("Plz select a contact before sending a message.");
}
}