Problems with DllCall

[reissdorf]

Hello,

I'm having serious problems understanding DllCall or rather what parameters I have to use.

The C# code is:

using System;
using System.Runtime.InteropServices;

namespace ApsDemo
{
    class APS
    {
        [DllImport("sensor.dll")]
        public static extern void ShockproofGetAccelerometerData(ref AccData accData);

        [StructLayout(LayoutKind.Sequential)]
        public struct AccData
        {
            internal int status;
            internal short x;
            internal short y;
        }
    }

All attempts I did ended in the normal windows error report

I would really appreciate if someone could help me reading those variables!

P.S: full code

[martin]

My guess is that you need something like this

$AccData = DllStructCreate("int;short;short")

$res = DllCall("sensor.dll","none","ptr",DllStructGetPtr($AccData))

$status = DllStructGetData($AccData,1)

$shortx = = DllStructGetData($AccData,2)

$shorty = = DllStructGetData($AccData,3)

[code=auto:0]

but it's a guess because I don't know how the dll deals with a struct passed by reference.

[reissdorf]

Thanks so much for the help!

I have been using the German help file, which just doesn't list the DllStructCreate function... an error I won't repeat

[martin]

Thanks so much for the help!

I have been using the German help file, which just doesn't list the DllStructCreate function... an error I won't repeat

NP.

I hadn't noticed that was your first post so welcome to the AutoIt forums!