public PsychrometricsViewModel(bool isDemo, bool isInternationalSystemOfUnits_IS_)
{
IsInternationalSystemOfUnits_IS_ = isInternationalSystemOfUnits_IS_;
IsDemo = isDemo;
PsychrometricsInputData = new PsychrometricsInputData(IsDemo, IsInternationalSystemOfUnits_IS_);
PsychrometricsOutputData = new PsychrometricsOutputData(IsInternationalSystemOfUnits_IS_);
PsychrometricsCalculationLibrary = new PsychrometricsCalculationLibrary();
PsychrometricsData = new PsychrometricsData();
}
public bool CalculatePsychrometrics(bool isElevation, out string errorMessage)
{
try
{
if (!FillPsychrometricsData(isElevation, out errorMessage))
{
return(false);
}
if (!PsychrometricsCalculationLibrary.PsychrometricsCalculation(PsychrometricsData, out errorMessage))
{
return(false);
}
PsychrometricsOutputData.FillDataTable(PsychrometricsData);
return(true);
}
catch (Exception exception)
{
errorMessage = string.Format("Error in Psychrometrics calculation. Please check your input values. Exception Message: {0}", exception.Message);
return(false);
}
}
private void CalculatePsychrometrics()
{
try
{
PsychrometricsData = new PsychrometricsData();
// clear data set
if (dataGridView1.DataSource != null)
{
dataGridView1.DataSource = null;
}
DataTable table = null;
string message = string.Empty;
if (PyschmetricsElevationRadio.Checked)
{
if (!PsychrometricsInputData.ElevationDataValue.UpdateValue(Psychrometrics_Elevation_Value.Text, out message))
{
MessageBox.Show(message);
return;
}
}
else
{
if (!PsychrometricsInputData.BarometricPressureDataValue.UpdateValue(Psychrometrics_Elevation_Value.Text, out message))
{
MessageBox.Show(message);
return;
}
}
if (Psychrometrics_DBT_RH.Checked)
{
if (!PsychrometricsInputData.DryBlubTemperatureDataValue.UpdateValue(Psychrometrics_DBT_Value.Text, out message))
{
MessageBox.Show(message);
return;
}
if (!PsychrometricsInputData.RelativeHumitityDataValue.UpdateValue(Psychrometrics_WBT_Value.Text, out message))
{
MessageBox.Show(message);
return;
}
}
else if (Psychrometrics_Enthalpy.Checked)
{
if (!PsychrometricsInputData.EnthalpyDataValue.UpdateValue(Psychrometrics_DBT_Value.Text, out message))
{
MessageBox.Show(message);
return;
}
}
else
{
if (!PsychrometricsInputData.DryBlubTemperatureDataValue.UpdateValue(Psychrometrics_DBT_Value.Text, out message))
{
MessageBox.Show(message);
return;
}
if (!PsychrometricsInputData.WetBlubTemperatureDataValue.UpdateValue(Psychrometrics_WBT_Value.Text, out message))
{
MessageBox.Show(message);
return;
}
if (PsychrometricsInputData.DryBlubTemperatureDataValue.Current < PsychrometricsInputData.WetBlubTemperatureDataValue.Current)
{
MessageBox.Show("The Dry Blub Temperature value must be greater than the Wet Blub Temperature value");
return;
}
}
if (PyschmetricsElevationRadio.Checked)
{
PsychrometricsData.Elevation = PsychrometricsInputData.ElevationDataValue.Current;
}
else
{
PsychrometricsData.BarometricPressure = PsychrometricsInputData.BarometricPressureDataValue.Current;
}
PsychrometricsData.IsElevation = PyschmetricsElevationRadio.Checked;
PsychrometricsData.SetInternationalSystemOfUnits_IS_(InternationalSystemOfUnits_IS_.Checked);
if (Psychrometrics_WBT_DBT.Checked)
{
PsychrometricsData.CalculationType = CalculationType.Psychrometrics_WBT_DBT;
PsychrometricsInputData.CalculationType = CalculationType.Psychrometrics_WBT_DBT;
PsychrometricsData.TemperatureDryBulb = PsychrometricsInputData.DryBlubTemperatureDataValue.Current;
PsychrometricsData.TemperatureWetBulb = PsychrometricsInputData.WetBlubTemperatureDataValue.Current;
}
else if (Psychrometrics_DBT_RH.Checked)
{
PsychrometricsData.CalculationType = CalculationType.Psychrometrics_DBT_RH;
PsychrometricsInputData.CalculationType = CalculationType.Psychrometrics_DBT_RH;
PsychrometricsData.RelativeHumidity = PsychrometricsInputData.RelativeHumitityDataValue.Current;
PsychrometricsData.TemperatureDryBulb = PsychrometricsInputData.DryBlubTemperatureDataValue.Current;
}
else if (Psychrometrics_Enthalpy.Checked)
{
PsychrometricsData.CalculationType = CalculationType.Psychrometrics_Enthalpy;
PsychrometricsInputData.CalculationType = CalculationType.Psychrometrics_Enthalpy;
PsychrometricsData.Enthalpy = PsychrometricsInputData.EnthalpyDataValue.Current;
}
table = PsychrometricsCalculationLibrary.PsychrometricsCalculation(PsychrometricsData);
if (table != null)
{
// Create a DataView using the DataTable.
DataView view = new DataView(table);
// Set a DataGrid control's DataSource to the DataView.
dataGridView1.DataSource = view;
}
}
catch (Exception exception)
{
MessageBox.Show(string.Format("Error in calculation. Please check your input values. Exception Message: {0}", exception.Message), "Psychrometrics Calculation Error");
}
}
