[DUG] Delphi DLL to C#

[Matthew Comb]

Hey Alan,

Does it make a difference if you append STDCALL ?

Matt.

> Hi I'm still learning C# with some tests and cant figure out what I'm
> doing wrong here
>
> In delphi dll I have declared an export function
> function Add2Numbers2(a,b : integer) : Integer export;
> begin
>   ShowMessage(IntTostr(a)); // debug
>   ShowMessage(IntTostr(b)); // debug
>   Result := a + b;
> end;
>
>
> In C# I declare function
>
>     [DllImport("SMIEngine.dll")]
>     public static extern int Add2Numbers2(int a, int b);
>
>     int myInt;
>     myInt = Add2Numbers2(22,11);
>     MessageBox.Show(myInt.ToString());
>
>
> When I run this in Microsoft VSE input a is zero, b = 11
> When I run this in D2006 a = (large uninitialised number) and b = 11
>
> What have I done wrong that input param a is not going into my delphi
> dll as 22
>
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