/// <summary>
/// ConvertTo - Attempt to convert an instance of PathFigureCollection to the given type
/// </summary>
/// <returns>
/// The object which was constructoed.
/// </returns>
/// <exception cref="NotSupportedException">
/// A NotSupportedException is thrown if "value" is null or not an instance of PathFigureCollection,
/// or if the destinationType isn't one of the valid destination types.
/// </exception>
/// <param name="context"> The ITypeDescriptorContext for this call. </param>
/// <param name="culture"> The CultureInfo which is respected when converting. </param>
/// <param name="value"> The object to convert to an instance of "destinationType". </param>
/// <param name="destinationType"> The type to which this will convert the PathFigureCollection instance. </param>
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (destinationType != null && value is PathFigureCollection)
{
PathFigureCollection instance = (PathFigureCollection)value;
if (destinationType == typeof(string))
{
// When invoked by the serialization engine we can convert to string only for some instances
if (context != null && context.Instance != null)
{
#pragma warning suppress 6506 // instance is obviously not null
if (!instance.CanSerializeToString())
{
throw new NotSupportedException(SR.Get(SRID.Converter_ConvertToNotSupported));
}
}
// Delegate to the formatting/culture-aware ConvertToString method.
#pragma warning suppress 6506 // instance is obviously not null
return(instance.ConvertToString(null, culture));
}
}
// Pass unhandled cases to base class (which will throw exceptions for null value or destinationType.)
return(base.ConvertTo(context, culture, value, destinationType));
}
/// <summary>
/// Creates a string representation of this object based on the format string
/// and IFormatProvider passed in.
/// If the provider is null, the CurrentCulture is used.
/// See the documentation for IFormattable for more information.
/// </summary>
/// <returns>
/// A string representation of this object.
/// </returns>
internal override string ConvertToString(string format, IFormatProvider provider)
{
PathFigureCollection figures = Figures;
FillRule fillRule = FillRule;
string figuresString = String.Empty;
if (figures != null)
{
figuresString = figures.ConvertToString(format, provider);
}
if (fillRule != FillRule.EvenOdd)
{
return("F1" + figuresString);
}
else
{
return(figuresString);
}
}