use file = new StreamReader (predefinedPPIFilepath)
JsonConvert.DeserializeObject<PredefinedPPI list> (file.ReadToEnd ())
with
use file = new StreamReader (predefinedPPIFilepath)
JsonConvert.DeserializeObject<PredefinedPPI list> (file.ReadToEnd ())
with
use file = new StreamReader (sensorSizesFilepath)
JsonConvert.DeserializeObject<SensorSize list> (file.ReadToEnd ())
with
use file = new StreamReader (sensorSizesFilepath)
JsonConvert.DeserializeObject<SensorSize list> (file.ReadToEnd ())
with