public override PropertyDescriptorCollection GetProperties(ITypeDescriptorContext context, object obj, Attribute[] attributes)
{
PropertyDescriptorCollection propertyDescriptorCollection = new PropertyDescriptorCollection(null);
CustomAttributes customAttributes = obj as CustomAttributes;
if (customAttributes != null && context != null)
{
Series series = (customAttributes.DataPointAttributes is Series) ? ((Series)customAttributes.DataPointAttributes) : customAttributes.DataPointAttributes.series;
if (series != null && series.chart != null && series.chart.chartPicture != null && series.chart.chartPicture.common != null)
{
CustomAttributeRegistry customAttributeRegistry = (CustomAttributeRegistry)series.chart.chartPicture.common.container.GetService(typeof(CustomAttributeRegistry));
foreach (CustomAttributeInfo registeredCustomAttribute in customAttributeRegistry.registeredCustomAttributes)
{
if (this.IsApplicableCustomAttribute(registeredCustomAttribute, context.Instance))
{
Attribute[] propertyAttributes = this.GetPropertyAttributes(registeredCustomAttribute);
CustomAttributesPropertyDescriptor value = new CustomAttributesPropertyDescriptor(typeof(CustomAttributes), registeredCustomAttribute.Name, registeredCustomAttribute.ValueType, propertyAttributes, registeredCustomAttribute);
propertyDescriptorCollection.Add(value);
}
}
Attribute[] attributes2 = new Attribute[3]
{
new NotifyParentPropertyAttribute(true),
new RefreshPropertiesAttribute(RefreshProperties.All),
new DescriptionAttribute(SR.DescriptionAttributeUserDefined)
};
CustomAttributesPropertyDescriptor value2 = new CustomAttributesPropertyDescriptor(typeof(CustomAttributes), "UserDefined", typeof(string), attributes2, null);
propertyDescriptorCollection.Add(value2);
}
}
return(propertyDescriptorCollection);
}
public virtual string GetUserDefinedAttributes(bool userDefined)
{
string customAttributes = this.DataPointAttributes.CustomAttributes;
string text = string.Empty;
Series series = (this.DataPointAttributes is Series) ? ((Series)this.DataPointAttributes) : this.DataPointAttributes.series;
CustomAttributeRegistry customAttributeRegistry = (CustomAttributeRegistry)series.chart.chartPicture.common.container.GetService(typeof(CustomAttributeRegistry));
customAttributes = customAttributes.Replace("\\,", "\\x45");
customAttributes = customAttributes.Replace("\\=", "\\x46");
if (customAttributes.Length > 0)
{
string[] array = customAttributes.Split(',');
string[] array2 = array;
foreach (string text2 in array2)
{
string[] array3 = text2.Split('=');
if (array3.Length != 2)
{
throw new FormatException(SR.ExceptionAttributeInvalidFormat);
}
array3[0] = array3[0].Trim();
array3[1] = array3[1].Trim();
if (array3[0].Length == 0)
{
throw new FormatException(SR.ExceptionAttributeInvalidFormat);
}
bool flag = true;
foreach (CustomAttributeInfo registeredCustomAttribute in customAttributeRegistry.registeredCustomAttributes)
{
if (string.Compare(registeredCustomAttribute.Name, array3[0], StringComparison.OrdinalIgnoreCase) == 0)
{
flag = false;
}
}
if (flag == userDefined)
{
if (text.Length > 0)
{
text += ", ";
}
string text3 = array3[1].Replace("\\x45", ",");
text3 = text3.Replace("\\x46", "=");
text = text + array3[0] + "=" + text3;
}
}
}
return(text);
}
