[vtkusers] SetExecuteMethod(void(* f)(void *), void * arg) ???

[Jianlong Zhou]

You should define function like this,
void ReadPoints(void *arg)
Good luck,
Jianlong

> Thanks Jianlong,
> 
> I still have a problem with
> the ReadPoints function.
> 
> I define it like:
> void* ReadPoints();
> 
> but the compiler don't accept. He says, he couldn't convert from
> 'void *(void)'     to     'void (__cdecl *)(void *)
> 
> do you know the solution?
> 
> axel
> 
> At 15:16 05.10.2001 +0200, you wrote:
> >Hi,Axel,
> >Just made a blank letter to send.Sorry.
> >It should be done like this:
> >pointSource->SetExecuteMethod( ReadPoints, (void *) pointSource)
> >
> >I think it will be ok.
> >Jianlong
> >
> > >
> > > I would like to use the vtkProgrammableSource class in a C++ program in 
> > the
> > > same manner as in the TCL example:
> > > ./contrib/examplesTcl/reconstructSurface.tcl.
> > >
> > > Can anyone give me an example in C++ of the usage of SetExecuteMethod?
> > >
> > > The function look like:
> > > void SetExecuteMethod(void(* f)(void *), void * arg)
> > >
> > > I define a function : void ReadPoints ()
> > > then I use
> > > pointSource->SetExecuteMethod( ReadPoints, ??? )
> > >
> > >
> > > What is wrong? The compiler don't accept the first parameter.
> > > And the second I don't understand . It doesen't seem to be documented in
> > > the manual or the VTK User's Guide. What is arg and why does the TCL
> > > example use only one parameter? (Generally you can easily move from TCL to
> > > C++ - but not in this case!).
> > >
> > >
> > > thanks for help
> > > Axel
> > >
> > >
> > > -----------------------------------------------------------------
> > > Axel Wendt
> > > Institute for Applied Photogrammetry and Geoinformatics
> > > Fachhochschule Oldenburg/Ostfriesland/Wilhelmshaven
>