Public Shared Function ToDateTime( _
   ByVal value As Object _
) As Date

Dim value As Object
Dim value As Date
 
value = CalcConvert.ToDateTime(value)

public static DateTime ToDateTime( 
   object value
)

public class DateFunctionInfo : FarPoint.CalcEngine.FunctionInfo
    {
        public override string Name { get { return "DATEIT"; } }
        public override int MinArgs { get { return 1; } }
        public override int MaxArgs { get { return 1; } }
        public override object Evaluate (object[] args)
        {
            System.DateTime dt = FarPoint.CalcEngine.CalcConvert.ToDateTime(args[0]);
            return dt;
        }
}

Public Class DateFunctionInfo
   Inherits FarPoint.CalcEngine.FunctionInfo

   Public Overrides ReadOnly Property Name() As String
   Get
   Return "DATEIT"
   End Get
   End Property

   Public Overrides ReadOnly Property MinArgs() As Integer
   Get
   Return 1
   End Get
   End Property

   Public Overrides ReadOnly Property MaxArgs() As Integer
   Get
   Return 1
   End Get
   End Property

   Public Overrides Function Evaluate(ByVal args() As Object) As Object
   Dim dt As Date = FarPoint.CalcEngine.CalcConvert.ToDateTime(args(0))
   Return dt
   End Function
End Class