Imports System Imports uCalcSoftware Public Module Program Public Sub ItemCallback(ByVal cb As uCalc.Callback) Console.WriteLine("Name: " + cb.Item.Name) Console.WriteLine("Data type: " + cb.Item.DataType.Name) Console.WriteLine("Param count: " + (cb.Item.Count).ToString()) Console.Write("Procedure type: ") If cb.Item.IsProperty(ItemIs.Operator) Then Console.WriteLine("Operator") ElseIf cb.Item.IsProperty(ItemIs.Function ) Then Console.WriteLine("Function") End If Console.WriteLine(cb.Item.Text) Console.WriteLine(cb.Item.Description) Console.WriteLine("---") End Sub Public Sub Main() Dim uc As New uCalc() uc.DefineFunction("AAA() As Double", AddressOf ItemCallback).Description = "Does this and that" uc.DefineFunction("BBB(x, y, z) As String", AddressOf ItemCallback).Description = "Does something else" uc.DefineOperator("{x} CCC {y} As Int32", 0, Associativity.LeftToRight, AddressOf ItemCallback) uc.EvalStr("AAA()") uc.EvalStr("BBB(9, 8, 7)") uc.EvalStr("5 CCC 4") End Sub End Module