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Adding a Custom Function to the Designer
Unsere Beispiele der Projekte und Berichtsvorlagen helfen Ihnen, die Grundlagen der Arbeit mit unserer Software zu erlernen.A custom function registered with
Implement the function. A public static method does the work:
How it works. Once registered, the function appears in the designer's function list and can be called from any dashboard or report expression.
StiFunctions becomes available in the dashboard designer's expression editor, alongside the built-in ones.Implement the function. A public static method does the work:
public static decimal MySum(object value)
{
if (!ListExt.IsList(value))
return StiValueHelper.TryToDecimal(value);
return Funcs.SkipNulls(ListExt.ToList(value)).TryCastToDecimal().Sum();
}StiFunctions.AddFunction(
"MyCategory", "MySum", "description",
typeof(DesignerController), typeof(decimal),
"Calculates a sum of the specified set of values.",
new[] { typeof(object) }, new[] { "values" }, new[] { "A set of values" }
).UseFullPath = false;StiFunctions.AddFunction(...)— registers the method with its category, return type, argument types and help text.UseFullPath = false— lists the function by name without the category prefix in the expression editor.
How it works. Once registered, the function appears in the designer's function list and can be called from any dashboard or report expression.