public void ConvertFrom()
{
PointConverter r = new PointConverter();
object or = r.ConvertFrom("3, 4");
Assert.AreEqual(typeof(Point), or.GetType());
Assert.AreEqual(new Point(3, 4), or);
or = r.ConvertFrom("-1, -4");
Assert.AreEqual(typeof(Point), or.GetType());
Assert.AreEqual(new Point(-1, -4), or);
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (value is string s)
{
PointConverter pc = new PointConverter();
PointSeries pl = new PointSeries();
string[] ppl = s.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
foreach (string pp in ppl)
{
pl.Add((Point)pc.ConvertFrom(pp));
}
return(pl);
}
return(null);
}
/// <summary>
/// Convert a string representation to a Point instance.
/// </summary>
/// <param name="str">String representation of the Point instance.</param>
/// <returns>Point instance created from string representation.</returns>
public static Point StringToPoint(string str)
{
return((Point)_pc.ConvertFrom(null, CultureInfo.InvariantCulture, str));
}
public void ConvertFrom_size()
{
PointConverter r = new PointConverter();
r.ConvertFrom(new Point(10, 20));
}
public static Point StringToPoint(string str)
{
return((Point)_pc.ConvertFrom(str));
}
public void ConvertFromInvalidSource()
{
new Action(() => _converter.ConvertFrom(null)).ShouldThrow <NotSupportedException>().WithMessage("*null*");
new Action(() => _converter.ConvertFrom(new object())).ShouldThrow <NotSupportedException>().WithMessage($"*{typeof(object)}*");
}
public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
{
Point p = (Point)_pointConverter.ConvertFrom(context, culture, value);
return(new DDPoint(p));
}