ReturnPtrMethod

Applies to:Fast Math Parser

Class:uCalc.Callback

Sets the return value of a uCalc.Callback function as a Pointer

Syntax

ReturnPtr(Value)

Parameters

Value

IntPtr

Pointer value that your callback returns

Returns

Nothing

Remarks

When you define a callback function with DefineFunction that returns a Pointer value, do it with ReturnPtr.

DLL import code

VB
C#
Delphi
C++
VC++.NET


            <DllImport(uCalcDLL, CharSet:=CharSet.Ansi, CallingConvention:=CallingConvention.Cdecl, EntryPoint:="ReturnPtr")> _

Private Sub ReturnPtr__(ByVal ExprPartHandle As IntPtr,ByVal Value As IntPtr)
End Sub


            [DllImport(uCalcDLL, CharSet=CharSet.Ansi, CallingConvention=CallingConvention.Cdecl, EntryPoint="ReturnPtr")]

protected static extern  void ReturnPtr_(IntPtr ExprPartHandle, IntPtr Value);


            {DLLImport}procedure ReturnPtr__(ExprPartHandle: System.Pointer;Value: System.Pointer); cdecl; external uCalcDLL name 'ReturnPtr';


            typedef  void (* __ReturnPtr)(void *ExprPartHandle, void * Value);


            [DllImport(uCalcLib, CharSet=CharSet::Ansi, CallingConvention=CallingConvention::Cdecl, EntryPoint = "ReturnPtr")]

static void ReturnPtr_(void *  ExprPartHandle, void *   Value);