public static ColumnDefinitions FromString(String val)
{
var coll = new ColumnDefinitions();
if (val.StartsWith("Repeat"))
{
var regex = new Regex(@"^Repeat\((.+)\)$");
var match = regex.Match(val.Trim());
if (match.Groups.Count < 2)
{
throw new XamlException($"Invalid repeat value '{val}'");
}
var w = GridLength.FromString(match.Groups[1].Value.Trim());
var cd = new ColumnDefinition()
{
Width = new GridLength($"repeat(auto-fit, {w})")
};
coll.Add(cd);
}
else
{
foreach (var row in val.Split(','))
{
var cd = new ColumnDefinition()
{
Width = GridLength.FromString(row.Trim())
};
coll.Add(cd);
}
}
return(coll);
}
public static ColumnDefinitions FromString(String val)
{
var coll = new ColumnDefinitions();
foreach (var row in val.Split(','))
{
var cd = new ColumnDefinition
{
Width = GridLength.FromString(row.Trim())
};
coll.Add(cd);
}
return(coll);
}
public override Object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, Object value)
{
if (value == null)
{
return(null);
}
if (value is ColumnDefinitions)
{
return(value);
}
else if (value is String)
{
return(ColumnDefinitions.FromString(value.ToString()));
}
return(base.ConvertFrom(context, culture, value));
}