// ScanAPI Helper provides a series of Callbacks
// indicating some asynchronous events has occurred
#region ScanApiHelperNotification Members
// a scanner has connected to the host
public void OnDeviceArrival(long result, ScanApiHelper.DeviceInfo newDevice)
{
if (SktScanErrors.SKTSUCCESS(result))
{
UpdateStatusText("New Scanner: " + newDevice.Name);
_device = newDevice;
// This is for the Host Acknowledgment feature. These lines can
// be safely removed from #if to the #endif from your application
// if this feature is not needed
#if HOSTACK
// Set the device to NOT acknowledge itself
_scanApiHelper.PostSetLocalAcknowledgement(_device, false, null);
// And make sure it does not give any indication after a scan
_scanApiHelper.PostSetDecodeAction(_device, ISktScanProperty.values.localDecodeAction.kSktScanLocalDecodeActionNone, null);
#else
// Set the device to NOT acknowledge itself
_scanApiHelper.PostSetLocalAcknowledgement(_device, true, null);
// And make sure it does not give any indication after a scan
int decode = ISktScanProperty.values.localDecodeAction.kSktScanLocalDecodeActionBeep |
ISktScanProperty.values.localDecodeAction.kSktScanLocalDecodeActionFlash |
ISktScanProperty.values.localDecodeAction.kSktScanLocalDecodeActionRumble;
_scanApiHelper.PostSetDecodeAction(_device, decode, null);
#endif
}
else
{
string strMsg = String.Format("Unable to open scanner, error = {0}.", result);
MessageBox.Show(strMsg, strAppName, MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
void onGetScanApiVersion(long result, ISktScanObject scanObj)
{
if (SktScanErrors.SKTSUCCESS(result))
{
StringBuilder version = new StringBuilder("ScanAPI Version: ");
version.AppendFormat("{0:x}.{1:x}.{2:x}.{3:x} {4:x}/{5:x2}/{6:x2} {7:x}:{8:x}",
scanObj.Property.Version.Major,
scanObj.Property.Version.Middle,
scanObj.Property.Version.Minor,
scanObj.Property.Version.Build,
scanObj.Property.Version.Month,
scanObj.Property.Version.Day,
scanObj.Property.Version.Year,
scanObj.Property.Version.Hour,
scanObj.Property.Version.Minute);
info.Text = version.ToString();
}
}
// ScanAPI is now initialized and fully functional
// (ScanAPI has some internal testing that might take
// few seconds to complete)
public void OnScanApiInitializeComplete(long result)
{
UpdateStatusText("SktScanAPI " + (SktScanErrors.SKTSUCCESS(result) ? "opened!" : "failed!"));
}
