Possible to do multitasking in Blitz?

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ChrML

Is it possible to make blitz do multitasking?
I was thinking about stuff like make slow commands like LoadMesh in the background, while for example constant animate an object. There are soo much stuff I need multitasking for in Blitz. Are threads possible?

I was thinking something like this:

Graphics3D 800,600,32
SetBuffer BackBuffer()

Do Continue While
  ...loading stuff...
  loadfinished=1
  Exit
Wend

While loadfinished=0
  ...Code for something to do while loading...
Wend