/// <summary>Converts brushes in BrushCollection to LinearGradientBrush </summary>
//public LinearGradientBrush ToGradientBrush()
//{
// var colors = this.ToList();
// return colors.ToGradientBrush();
//}
public ColorCollection ReverseItems()
{
var newCollection = new ColorCollection();
for (int i = this.Count - 1; i >= 0; i--)
{
var brush = this[i];
newCollection.Add(brush);
}
return(newCollection);
}
/// <summary>
/// TypeConverter method implementation that converts an object of type ColorCollection
/// to an InstanceDescriptor or a string. If the source is not a ColorCollection or
/// the destination is not a string it forwards the call to
/// TypeConverter.ConvertTo.
/// </summary>
/// <exception cref="NotSupportedException">
/// A NotSupportedException is thrown if the example object is null
/// or if the destinationType isn't one of the valid destination types.
/// </exception>
/// <param name="context">ITypeDescriptorContext</param>
/// <param name="cultureInfo"> The CultureInfo which will govern this conversion. </param>
/// <param name="value">value to convert from</param>
/// <param name="destinationType">Type to convert to</param>
/// <returns>converted value</returns>
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo cultureInfo, object value, Type destinationType)
{
if (destinationType != null && value is ColorCollection)
{
ColorCollection instance = (ColorCollection)value;
if (destinationType == typeof(string))
{
// Delegate to the IFormatProvider version of ToString.
return(instance.ConvertToString(null, cultureInfo));
}
}
// Pass unhandled cases to base class (which will throw exceptions for null value or destinationType.)
return(base.ConvertTo(context, cultureInfo, value, destinationType));
}
/// <summary>
/// Attempts to convert to a ColorCollection from the given object.
/// </summary>
/// <exception cref="NotSupportedException">
/// A NotSupportedException is thrown if the example object is null or is not a valid type
/// which can be converted to a ColorCollection.
/// </exception>
public override object ConvertFrom(ITypeDescriptorContext td, CultureInfo cultureInfo, object value)
{
if (value == null)
{
throw GetConvertFromException(value);
}
String source = value as string;
if (source != null)
{
return(ColorCollection.Parse(source, cultureInfo));
}
else
{
return(base.ConvertFrom(td, cultureInfo, value));
}
}