private async Task _chat_UserTryingToSendMessage(byte[] arr)
{
try
{
var task = UserTryingToSendMessage?.Invoke(arr);
if (task != null)
{
await task;
}
}
catch (Exception e)
{
MessageBox.Show(e.ToString());
}
}
private async void Work()
{
try
{
var messageText = _textBox.Text;
if (string.IsNullOrWhiteSpace(messageText))
{
return;
}
_sendMessageButton.IsEnabled = false;
await Task.Run(() =>
{
}).ContinueWith(t =>
{
}, TaskScheduler.FromCurrentSynchronizationContext());
byte[] arr = null;
await await Dispatcher.InvokeAsync(async() =>
{
await Task.Yield();
arr = Encoding.UTF8.GetBytes(_textBox.Text);
});
if (arr.Length > 100000000)
{
MessageBox.Show("Сообщение имеет слишком большую длину");
}
else
{
_textBox.Text = "";
UserTryingToSendMessage?.Invoke(arr);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
finally
{
_sendMessageButton.IsEnabled = true;
}
}