/// <summary>
/// Present a dialog to add a parameter to RebarShapeDef.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void addParameterButton_Click(object sender, EventArgs e)
{
using (AddParameter addParam = new AddParameter(m_rebarShapeDef.Parameters))
{
if (DialogResult.OK == addParam.ShowDialog())
{
Type paramType = addParam.IsFormula ?
typeof(RebarShapeParameterFormula) :
typeof(RebarShapeParameterDouble);
object paramName = addParam.ParamName;
object paramValue = addParam.ParamValue;
if (!addParam.IsFormula)
{
paramValue = double.Parse(addParam.ParamValue);
}
// Add the parameter to RebarShapeDef.
RebarShapeParameter param = m_rebarShapeDef.AddParameter(paramType, paramName, paramValue);
propertyGrid.SelectedObject = param;
m_parametersListBoxBinding.ResetBindings(false);
parameterListBox.SelectedItem = param;
}
}
}
/// <summary>
/// Add a parameter to RebarShapeDefinition.
/// </summary>
/// <param name="parameterType">Parameter type:
/// (type of RebarShapeParameterDouble or type of RebarShapeParameterFormula)</param>
/// <param name="name">Parameter name</param>
/// <param name="value">Parameter value (double value or formula string)</param>
/// <returns></returns>
public RebarShapeParameter AddParameter(Type parameterType, object name, object value)
{
RebarShapeParameter param =
Activator.CreateInstance(parameterType, this, name, value) as RebarShapeParameter;
m_parameters.Add(param);
return(param);
}
/// <summary>
/// Converts the given value object to the specified type, using the specified
/// context and culture information.
/// </summary>
/// <param name="context">An System.ComponentModel.ITypeDescriptorContext that
/// provides a format context.</param>
/// <param name="culture">A System.Globalization.CultureInfo. If null is passed,
/// the current culture is assumed.</param>
/// <param name="value">The System.Object to convert.</param>
/// <param name="destinationType">The System.Type to convert the value parameter
/// to.</param>
/// <returns>An System.Object that represents the converted value.</returns>
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture,
object value, Type destinationType)
{
if (destinationType == typeof(String) && value is RebarShapeParameter)
{
RebarShapeParameter param = value as RebarShapeParameter;
if (null != param)
{
return(param.Name);
}
}
throw new Exception("Can't be converted to other types except string.");
}