[Mono-list] Can I call CoTaskMemAlloc on Linux?

[Robert Jordan]

Vincent Finn wrote:
> Hi,
> 
> I am sure this is a stupid question but I wanted to check before going 
> down the wrong route.
> 
> On windows I am passing IntPtrs from C# to C++ and them using 
> SysAllocString on "UnmanagedType.LPWStr" and CoTaskMemAlloc on structs 
> when I want to return memory.
> 
> In Visual Studio I need to include "oleauto.h" to get those functions, 
> and I then need to include "windows.h" to get various #defines used in 
> "oleauto.h".
> 
> "windows.h" won't be on a Linux machine so can someone confirm for me 
> that CoTaskMemAlloc is portable and not MS?
> 
> If it isn't what is the alternative?

Instead of p/invoking you should use the following methods
that do the right thing regardless of the platform:

System.Runtime.InteropServices.Marshal.AllocCoTaskMem

and

System.Runtime.InteropServices.Marshal.FreeCoTaskMem

Robert