/// <summary>
/// Adds a child QueryOptionItem node to a QueryOption node</summary>
/// <param name="parentNode">QueryOption node to receive child</param>
/// <param name="optionItemText">Text to be displayed on option item</param>
/// <param name="tag">ID tag for option item</param>
/// <returns>Instance of the new QueryOptionItem child node</returns>
public static QueryOptionItem AddOptionItem(this QueryOption parentNode, string optionItemText, UInt64 tag)
{
QueryOptionItem newOptionItem = null;
if (parentNode != null)
{
newOptionItem = parentNode.Add(new QueryOptionItem(optionItemText, tag)) as QueryOptionItem;
parentNode.RegisterOptionItem(newOptionItem);
}
return(newOptionItem);
}
/// <summary>
/// Adds a child QueryOption node, registering 'option changed' event to root node</summary>
/// <param name="parentNode">Node to receive child</param>
/// <returns>Instance of the new QueryOption child node</returns>
public static QueryOption AddOption(this QueryNode parentNode)
{
QueryOption newQueryOption = parentNode.Add(new QueryOption()) as QueryOption;
// register 'option changed' event to root node
QueryRoot rootNode = newQueryOption.Root as QueryRoot;
if (rootNode != null)
{
rootNode.RegisterQueryOption(newQueryOption);
}
return(newQueryOption);
}
/// <summary>
/// Register 'option changed' event to node</summary>
/// <param name="queryOption">QueryOption that event is registered to</param>
public void RegisterQueryOption(QueryOption queryOption)
{
queryOption.OptionChanged += childNode_OptionChanged;
}
/// <summary>
/// Register 'option changed' event to node</summary>
/// <param name="queryOption">QueryOption that event is registered to</param>
public void RegisterQueryOption(QueryOption queryOption)
{
queryOption.OptionChanged += childNode_OptionChanged;
}
