> This was your example (not exactly the same) you posted as your
> first example file and works now as expected.
Ahh! I should implement my own testsuit.
Wolfgang
% increment the floatnumber
\def\incrementfloatnumber%
{\dodoubleempty\doincrementfloatnumber}
\def\doincrementfloatnumber[#1][#2]%
{\ifsecondargument
\dodoincrementfloatnumber[#1][#2]%
\else\iffirstargument
\dodoincrementfloatnumber[#1][1]%
\fi\fi}
\def\dodoincrementfloatnumber[#1][#2]%
{\count1=0
\loop
\ifnum\count1<#2
\advance\count1 by 1
\incrementnumber[#1]
\repeat}
% set the number
\def\setfloatnumber%
{\dodoubleempty\dosetfloatnumber}
\def\dosetfloatnumber[#1][#2]%
{\ifnum#2<\rawnumber[#1]
\message{:::: Your number need to be higher than the current counter-value ::::}
\else
\count2=#2
\advance\count2 by -\rawnumber[#1]
\incrementfloatnumber[#1][\count2]
\fi}
% Todo:
%
% \definefloatnumber[#1]
%
% example:
% \definefloatnumber[figure]
% o \incrementfigurenumber[#1] --> \incrementfloatnumber[figure][#1]
% o \setfigurenumber[#1] --> \setfloatnumber[figure][#1]
\protect
\starttext
\placefigure{}{\framed{Blub}}
\placefigure{}{\framed{Bautz}}
\placefigure{}{\framed{Bla}}
This were \rawnumber[figure] figures by now!
\setnumber[figure]{8}
We want to count on with \rawnumber[figure].
\placefigure{}{\framed{Plong}}
Figurenumber is incremented to \rawnumber[figure].
\placefigure{}{\framed{Plong}}
\incrementnumber[figure]
\placefigure{}{\framed{Plong}}
\incrementfloatnumber[figure][2]
\placefigure{}{\framed{Plong}}
\setfloatnumber[figure][25]
\placefigure{}{\framed{Plong}}
\setfloatnumber[figure][12]
\placefigure{}{\framed{Plong}}
\stoptext
</example>
Wolfgang