Shoutbox

I'm trying to get the RTF data out of a richeditcontrol. Couldn't find an easy way so i'm trying to use Interop.

so far i have:

code:

---

function OnWndMainEvent_CtrlClicked(PlusWnd, ControlId)
{
    if (ControlId == "BtnSend")
    {
        var SF_RTF = 0x2
        var SF_UNICODE = 0x10
        var WM_USER = 0x400
        var EM_STREAMOUT = (WM_USER + 74)
        var len = PlusWnd.GetControlText("CodeBox").length;
        var editStream = Interop.Allocate(24)
        editStream.WriteDWORD(0,0)
        editStream.WriteDWORD(8,0)
        editStream.WriteDWORD(16,Interop.GetCallbackPtr("EditStreamCallback"))
        var lResult = Interop.Call2("user32.dll", "SendMessageW", PlusWnd.GetControlHandle(ControlId), EM_STREAMOUT, SF_RTF || SF_UNICODE, editStream )
        Debug.Trace("result: " + lResult)
    }
}

function EditStreamCallback(dwCookie, lpBuff, cb, pcb)
{

}

---

I've probably done this all wrong so any help is appreciated.