/// <summary>
/// Gets or sets a data value with a specified key.
/// </summary>
/// <param name="key">Case-sensitive data key.</param>
/// <exception cref="ArgumentException">the key does not consist solely of letters,
/// numbers, and the period, underscore, and space characters.</exception>
public string this[string key]
{
get
{
return(this.data[key]);
}
set
{
CustomActionData.ValidateKey(key);
this.data[key] = value;
}
}
/// <summary>
/// Adds a key and value to the data collection.
/// </summary>
/// <param name="key">Case-sensitive data key.</param>
/// <param name="value">Data value (may be null).</param>
/// <exception cref="ArgumentException">the key does not consist solely of letters,
/// numbers, and the period, underscore, and space characters.</exception>
public void Add(string key, string value)
{
CustomActionData.ValidateKey(key);
this.data.Add(key, value);
}
/// <summary>
/// Adds an item with key and value to the data collection.
/// </summary>
/// <param name="item">Case-sensitive data key, with a data value that may be null.</param>
/// <exception cref="ArgumentException">the key does not consist solely of letters,
/// numbers, and the period, underscore, and space characters.</exception>
public void Add(KeyValuePair <string, string> item)
{
CustomActionData.ValidateKey(item.Key);
this.data.Add(item);
}