private void cmdRead_Click(object sender, EventArgs e)
{
Boolean vRet = true;
int vErrorCode = 0;
lblMessage.Text = "Waiting...";
Application.DoEvents();
if (!bpc.EnableDevice(Program.gMachineNumber, 0)) // 0 : false
{
lblMessage.Text = util.gstrNoDevice;
return;
}
GCHandle gh = GCHandle.Alloc(dbBellInfoList, GCHandleType.Pinned);
IntPtr AddrOfmlngBellInfo = gh.AddrOfPinnedObject();
int nAddr = AddrOfmlngBellInfo.ToInt32();
vRet = bpc.GetBellTime(Program.gMachineNumber, ref mBellCount, ref nAddr);
if (vRet)
{
ShowValue();
lblMessage.Text = "Success!";
}
else
{
bpc.GetLastError(ref vErrorCode);
lblMessage.Text = util.ErrorPrint(vErrorCode);
}
gh.Free();
bpc.EnableDevice(Program.gMachineNumber, 1); // 1 : true
}