/// <summary> /// Constructor. /// </summary> /// <param name="parent">The template item that contains this item.</param> /// <param name="name">The name of this template item.</param> /// <param name="lineNumber">The line number within the xml template file.</param> /// <param name="positionInLine">The column number within the xml template file.</param> /// <param name="functionName">The name of the function include parameters.</param> /// <param name="valueFunction">The custom function for this formula</param> /// <param name="parameterNames">The parameter names if the function is parameterized (otherwise null).</param> protected internal CustomFormulaTemplateItem(TemplateItem parent, string name, int lineNumber, int positionInLine, string functionName, Delegate valueFunction, string [] parameterNames) : base(parent, name, lineNumber, positionInLine) { ParameterCheck.ParameterRequired(valueFunction, "valueFunction"); ParameterCheck.StringRequiredAndNotWhitespace(functionName, "functionName"); this.valueFunction = new CustomFormula(functionName, valueFunction); this.functionName = functionName; this.parameterNames = parameterNames; }