/// <summary>
/// Determines if the given value represents a valid state of this property.
/// </summary>
/// <param name="value">The state that should be used.</param>
/// <returns>True if the state is valid, otherwise false.</returns>
protected override Boolean IsValid(CSSValue value)
{
var image = value.ToImage();
if (image != null)
{
_image = image;
return(true);
}
return(false);
}
/// <summary>
/// Determines if the given value represents a valid state of this property.
/// </summary>
/// <param name="value">The state that should be used.</param>
/// <returns>True if the state is valid, otherwise false.</returns>
protected override Boolean IsValid(CSSValue value)
{
var image = value.ToImage();
if (image != null)
{
_images.Clear();
_images.Add(image);
}
else if (value is CSSValueList)
{
var values = (CSSValueList)value;
var images = new List <ICssObject>();
for (int i = 0; i < values.Length; i++)
{
image = values[i].ToImage();
if (image == null || (++i < values.Length && values[i] != CSSValue.Separator))
{
return(false);
}
images.Add(image);
}
_images.Clear();
_images.AddRange(images);
}
else
{
return(false);
}
return(true);
}