anchor.diff:    return Size(width.toDouble(), height.toDouble());
   }
   
  -void main(List<String> args) {
  +void main() {
     final size = getMonitorSizeInMM();
  -  print('Physical Size of Monitor: Width: ${size.width}mm Height: ${size.height}mm');
  +  print(
  +      'Physical Size of Monitor: Width: ${size.width}mm Height: ${size.height}mm');
     final sizeBackup = getMonitorSizeInMMBackup();
  -  print('Physical Size of Monitor Backup: Width: ${sizeBackup.width}mm Height: ${sizeBackup.height}mm');
  +  print(
  +      'Physical Size of Monitor Backup: Width: ${sizeBackup.width}mm Height: ${sizeBackup.height}mm');
   }
  
positive.code:   final ret = SetupDiEnumDeviceInfo(ptr, 0, data);
    if (ret == TRUE) {
      // Get the registry key for the first member of the first moitor
      final hDevRegKey = SetupDiOpenDevRegKey(ptr, data, DICS_FLAG.DICS_FLAG_GLOBAL.value, 0, DIREG.DIREG_DEV.value, REG_RIGHTS.KEY_READ.value);
  
      var retValue = ERROR_SUCCESS;
      const nameSize = 128;
      final lpValueName = calloc<Uint16>(nameSize).cast<Utf16>();
      const edidDataSize = 1024;
  
      final lpcchValueName = calloc<Uint32>()..value = nameSize;
      final lpType = calloc<Uint32>()..value = nameSize;
      final lpData = calloc<Uint8>(edidDataSize);
      final lpcbData = calloc<Uint32>()..value = edidDataSize;
  
      // Get the first value of the registry key for the first member of the first moitor
      retValue = RegEnumValue(hDevRegKey, 0, lpValueName, lpcchValueName, nullptr, lpType, lpData, lpcbData);
  
      if (retValue == ERROR_SUCCESS && lpValueName.toDartString() == 'EDID') {
        width = ((lpData[68] & 0xF0) << 4) + lpData[66];
  
negative.code:   Size(this.width, this.height);
  }
  
  Size getMonitorSizeInMM() {
    const GUID_CLASS_MONITOR = '{4d36e96e-e325-11ce-bfc1-08002be10318}';
    final guidptr = calloc<GUID>();
  
    guidptr.ref.setGUID(GUID_CLASS_MONITOR);
    // Get the handle for the first monitor.
    final ptr = SetupDiGetClassDevs(guidptr, nullptr, 0, DIGCF_PRESENT);
    var width = 0;
    var height = 0;
  
  