private void bIsoQueryLock_Click(object sender, EventArgs e) { int addr = 0; byte byQryLockStatus = 0; int status; //int qryStatus; try { addr = int.Parse(tIsoAddr.Text); } catch (Exception) { lInfo.Items.Add("Please Input ByteAddr!"); return; } status = Api.IsoQryLock((byte)addr, ref byQryLockStatus); if (status == 0) { if (1 == byQryLockStatus) { lInfo.Items.Add("Is Lock! "); } else { lInfo.Items.Add("Is Not Lock! "); } } }