[lazarus] Bitmap transparency?

[Micha Nelissen]

Marc Weustink wrote:

> At 17:59 8-11-2003, Micha Nelissen wrote:
> 
>> Do you have any tips how to make a transparency mask so I can 
>> implement the necessary behaviour?
> 
> Look at the implementation of TransparentStretchBlt

Where is this function defined? I have searched all over the place, but 
I can't find it. Only reference is in htmllite/litegif2.pas or something 
alike. But no definition.

Micha.