public static void SetExtensionDataAttributeValue(this object o, string name, object value)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentException("Invalid name");
}
try
{
foreach (Attribute a in System.ComponentModel.TypeDescriptor.GetAttributes(o))
{
if (a is ExtensionDataAttribute)
{
((ExtensionDataAttribute)a)[name] = value;
return;
}
}
}
catch { }
try
{
ExtensionDataAttribute extensionData = new ExtensionDataAttribute();
extensionData[name] = value;
extensionData.AddTo(o);
}
catch { }
}
/// <summary>
/// Gets the description for the specified string, if it has one;
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public static string GetDescription(this string s)
{
foreach (Attribute a in System.ComponentModel.TypeDescriptor.GetAttributes(s))
{
if (a is ExtensionDataAttribute)
{
ExtensionDataAttribute eda = (ExtensionDataAttribute)a;
if (eda.ContainsKey("Description"))
{
return(eda["Description"].ToString());
}
else
{
return("");
}
}
}
return("");
}
/// <summary>
/// Adds a description to the specified string object
/// </summary>
/// <param name="s">The string to describe</param>
/// <param name="description">The description to set</param>
public static void SetDescription(this string s, string description)
{
if (string.IsNullOrWhiteSpace(description))
{
description = "";
}
foreach (Attribute a in System.ComponentModel.TypeDescriptor.GetAttributes(s))
{
if (a is ExtensionDataAttribute)
{
((ExtensionDataAttribute)a)["Description"] = description;
return;
}
}
ExtensionDataAttribute extensionData = new ExtensionDataAttribute();
extensionData["Description"] = description;
extensionData.AddTo(s);
}
