/// <summary>
/// Adds a variable to the top-level CodeElement.
/// </summary>
/// <param name="objectName">Name of the object.</param>
/// <param name="variableType">Type of the variable.</param>
/// <param name="variableNode">The variable node.</param>
/// <param name="access">The access.</param>
/// <returns></returns>
public CodeVariable AddVariable(string objectName, object variableType, object variableNode, vsCMAccess access)
{
return(RootElement.AddVariable(objectName, variableType, null, access, variableNode));
}