async Task <bool> RefreshBalance() { try { if (SelectedKey != null) { var namespaceBalance = await tcBitcoin.NamespaceBalance(SelectedKey.KeyName); textBalance.Text = $"{namespaceBalance} {TCBitcoin.MILLI_BITCOIN_NAME}"; var keyBalance = await tcBitcoin.KeyNameBalance(SelectedKey.KeyName); if (keyBalance != namespaceBalance) { textBalance.Text = $"({keyBalance}) {namespaceBalance} {TCBitcoin.MILLI_BITCOIN_NAME}"; } } return(true); } catch { textBalance.Text = $"0.0 {TCBitcoin.MILLI_BITCOIN_NAME}"; return(false); } }