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When CD type is H (STF):
The barcode data must be two or more digits in length. Otherwise, this function throws
an exception.
To check whether the CD is correct, pass a piece of barcode data with a CD to the
Scanner.GetChkDigit method as shown below. If the returned value is equal to the CD,
then the CD is correct.
[VB]
If (Scanner.GetChkDigit("12345678905", "H") = Asc("5")) Then
Console.WriteLine ("CD OK")
End If
[C#]
UnicodeEncoding encode = new UnicodeEncoding();
if (Scanner.GetChkDigit("12345678905", 'H') == (int)encode.GetBytes("5")[0]) {
Console.WriteLine ("CD OK");
}
To append a CD to barcode data, pass a piece of barcode data with a dummy character
appended to the Scanner.GetChkDigit method as shown below. The returned value
will be the CD. Replace the dummy character with the returned value.
[VB]
Dim origData As String = "1234567890"
Dim digit As Integer = Scanner.GetChkDigit(origData+"0", "H")
Console.WriteLine("CD = {0}", origData + New String(Chr(digit), 1))
[C#]
string origData = "1234567890";
int digit = Scanner.GetChkDigit(origData+"0", 'H');
byte[] digitByteArray = {(byte)digit};
ASCIIEncoding encode = new ASCIIEncoding();
Console.WriteLine("CD = {0}", origData + encode.GetString(digitByteArray, 0, 1));
Result
> CD = 12345678905
132
- BHT-700-CE 1
- Introduction 4
- Contents 5
- 1. Development Environment 9
- 2. Development Procedure 10
- 3. Device Control 12
- 4. Barcode Reading 13
- 5. Wireless Communication 17
- 6. Backlight 21
- 7. Beeper, Vibrator 25
- 8. Battery Information 27
- 9. Keyboard 28
- 10. Touch Panel 34
- 11. Display 35
- 12. LED 36
- 13. Audio 37
- 14. Power Management 38
- 15. Updating the OS 39
- 16. Status Display 41
- 17. System Information 42
- 18. Data Communication 43
- 19. Namespaces 44
- DNWA.BHTCL Namespace 45
- DNWA.Exception Namepsace 46
- 20.9. LED.UsageCollection 55
- 21. Members 89
- Scanner 91
- MAX_BAR_LEN 92
- MAX_2DCODE_LEN 92
- ALL_BUFFER 93
- LED notification ON 94
- PortOpen 122
- InBufferCount 123
- InBufferType 124
- LastCount 126
- LastType 128
- LastCodeInfo 129
- LastCodeNum 130
- GetChkDigit 137
- Dispose 145
- [Ex.] Set the 2 151
- DecodeLevel 153
- MinDigitITF 154
- MinDigitSTF 155
- MinDigitNW7 156
- Reverse 158
- ScanMode 159
- OptionData 160
- LightMode 161
- EN_MARKER 162
- EN_SCAN_MODE 163
- EN_LIGHT_MODE 164
- ExistingBatteries 167
- Battery 169
- Voltage 172
- Chemistry 174
- EN_CHARGE 175
- EN_LEVEL 176
- EN_CHEMISTRY 177
- Backlight 179
- [Ex.] Turn ON the backlight 180
- EN_STATUS 181
- OnTimeBattery 183
- OnTimeAC 184
- CtrlKey 185
- Brightness 187
- PowerSave 188
- LightDevice 189
- FactorKey 190
- EN_DEVICE 191
- EN_FACTOR 192
- [C#] LED MyLED = new LED(); 194
- [Ex.] Turn ON the blue LED 196
- LED.EN_CTRL.ON 196
- LED.EN_CTRL.ON; 196
- EN_COLOR 198
- EN_CTRL 199
- 21.9. LED.UsageCollection 200
- [VB] MyBeep.OnTime = 10 204
- [C#] MyBeep.OnTime = 10; 204
- OffTime 205
- Frequency 206
- [VB] MyBeep.Count = 5 207
- [C#] MyBeep.Count = 5; 207
- VolumeKey 212
- VolumeTap 213
- VolumeHalfKey 214
- OnOffLaserKey 215
- OnOffTrgKey 216
- EN_VOLUME 218
- EN_ON_OFF 219
- [C#] RF MyRf = new RF(); 221
- OpenMode 222
- [VB] MyRf.Open = True 225
- [C#] MyRf.Open = true; 225
- Synchronize 227
- EN_OPEN_MODE 229
- Profile 232
- InfraMode 234
- Priority 235
- Authentication 236
- Encryption 237
- EAP8021x 238
- PreSharedKey 240
- Registered 242
- EN_AUTHENTICATION 246
- EN_EAP8021X 247
- EN_ENCRYPTION 248
- EN_INFRA_MODE 249
- [VB] RF.Settings.Radio _ 251
- [C#] RF.Settings.Radio 251
- DestMACAddress 254
- Version 255
- FWVersion 256
- HWVersion 257
- MACAddress 258
- EN_RADIO 260
- EN_POWERSAVE 262
- TransmitKey 265
- Strength 267
- [Ex.] Acquire the beacon 268
- RF.SiteSurvey.Link 269
- EN_LINE_QUALITY 270
- Channel 273
- EN_RATE 275
- Bluetooth 277
- EN_POWER 279
- InitialPower 281
- Mx, MxH (Mx:M1 to M3) 283
- ShiftMode 289
- MxMode(Mx : M1 to M3) 290
- InputMethod 292
- FuncMode 293
- PwrDownTime 294
- AllowChangeIM 295
- KeyboardType 296
- HandleStatus 297
- EN_SHIFT_MODE 298
- EN_MX_MODE 299
- EN_INPUT_METHOD 300
- EN_FUNC_MODE 301
- EN_CHANGE_IM 302
- EN_KEYBOARD_TYPE 303
- Enabled 306
- OSVersion 309
- MachineName 310
- MachineNumber 311
- SerialNumber 312
- RAMSize 313
- ROMSize 314
- Shutdown 316
- EN_SHUTDOWN_MODE 317
- StandbyTime 319
- AutoPowerOffBattery 320
- AutoPowerOffExt 321
- CPUClock 322
- EnabledAutoPowerOffRF 323
- EN_CPU_CLOCK 324
- EN_SUSPEND 325
- ShiftKey 328
- Standby 330
- Wireless 331
- Alphabet 333
- Numeric 335
- BTPower 336
- RotationAngle 340
- ControlRotationKey 341
- EN_ROTATION_ANGLE 342
- EnabledOutReceiver 345
- EN_OUT_ENABLE 346
- SysModification 348
- FileName 349
- Execute 351
- EN_MODE 352
- CommSerial 354
- DEFAULT_PORT 355
- WaitEvent 356
- SignaledEvent 357
- OutBufferCount 359
- [VB] MyComm.Port = 1 361
- [C#] MyComm.Port = 1; 361
- As Integer 366
- EN_EVENT 370
- FileTransfer 373
- StopBits 377
- TransferringEventInterval 379
- FileCount 381
- AddFile 382
- ClearFile 383
- [Ex.] Receive a file 384
- [VB] MyFileTransfer.Input() 384
- [Ex.] Send a file 385
- [VB] MyFileTransfer.Output() 385
- [VB] MyFileTransfer.Abort() 386
- OnTransferring 389
- EN_BAUD 390
- EN_PARITY 391
- EN_STOPBITS 392
- EN_RESULT 394
- Appendix 1. Key Arrangements 395
- Returns to 1 400
- (2) Numeric entry 403
- (3) Function mode 404
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