/// <summary> Invokes a currently registered Velocimacro with the params provided
/// and places the rendered stream into the writer.
/// <br>
/// Note : currently only accepts args to the VM if they are in the context.
///
/// </summary>
/// <param name="vmName">name of Velocimacro to call
/// </param>
/// <param name="logTag">string to be used for template name in case of Error. if null,
/// the vmName will be used
/// </param>
/// <param name="params">keys for args used to invoke Velocimacro, in java format
/// rather than VTL (eg "foo" or "bar" rather than "$foo" or "$bar")
/// </param>
/// <param name="context">Context object containing data/objects used for rendering.
/// </param>
/// <param name="writer"> Writer for output stream
/// </param>
/// <returns> true if Velocimacro exists and successfully invoked, false otherwise.
/// </returns>
/// <throws> IOException While rendering to the writer, an I/O problem occured. </throws>
public virtual bool InvokeVelocimacro(string vmName, string logTag, string[] parameters, IContext context, TextWriter writer)
{
return(ri.InvokeVelocimacro(vmName, logTag, parameters, context, writer));
}
