/// <summary>
/// Register the custom function specified, overriding any previous functions with the same details.
/// </summary>
/// <param name="prefix">The function prefix.</param>
/// <param name="name">The function name.</param>
/// <param name="customFunction">The custom function implementation.</param>
public void RegisterCustomFunction(string prefix, string name, OPathCustomFunction customFunction)
{
string customFunctionKey = OPathXsltContextFunction.GetCustomFunctionKey(prefix, name);
m_CustomFunctions[customFunctionKey] = customFunction;
}
/// <summary>
/// When overridden in a derived class, resolves a function reference and returns an
/// <see cref="T:System.Xml.Xsl.IXsltContextFunction"/> representing the function. The
/// <see cref="T:System.Xml.Xsl.IXsltContextFunction"/> is used at execution time to get the return
/// value of the function.
/// </summary>
/// <param name="prefix">The prefix of the function as it appears in the XPath expression.</param>
/// <param name="name">The name of the function.</param>
/// <param name="ArgTypes">An array of argument types for the function being resolved. This allows
/// you to select between methods with the same name (for example, overloaded methods).</param>
/// <returns>
/// An <see cref="T:System.Xml.Xsl.IXsltContextFunction"/> representing the function.
/// </returns>
public override IXsltContextFunction ResolveFunction(string prefix, string name, XPathResultType[] ArgTypes)
{
IXsltContextFunction function = new OPathXsltContextFunction(prefix, name);
return(function);
}