/// <summary>
/// Converts an element into its path location relative to the solution.
/// </summary>
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
// Ensure only projects are converted and only to string.
if (destinationType != typeof(string) ||
!(value is ProjectItem) ||
!DteHelper.IsWebReference((ProjectItem)value))
{
throw new ArgumentException(Properties.Resources.WebReferenceConverter_InvalidConversion);
}
return(base.ConvertTo(context, culture, value, destinationType));
}
/// <summary>
/// Validates that the received value is a path expression that identifies a
/// web reference in a project based on the logical treeview of the solution explorer,
/// starting at the solution.
/// </summary>
public override bool IsValid(ITypeDescriptorContext context, object value)
{
if (!(value is string))
{
return(base.IsValid(context, value));
}
object element = base.ConvertFromInternal(context, CultureInfo.CurrentCulture, value, false);
return(element != null && element is ProjectItem &&
DteHelper.IsWebReference((ProjectItem)element));
}
