Controls the histogram
Construction:
histogramcollection
|_ histogram
|_ curvecollection
|_ curve
xgantt.histogram.propertie
z.B.
// Counts of histograms
xgantt.histogram.count
messagebox=<value>
count  | 
Counts of histogram  | 
create, add, createhistogram=<name>  | 
create new histogram xgantt.histogram.add=newname  | 
del, delete, deletehistogran=<name>  | 
delete a histogram xgantt.histogramm.del=histogramname  | 
firsthistogram  | 
get the name of the first histogram in value xgantt.histogram.firsthistogram messagebox=<value>  | 
nexthistogram  | 
get the next name from the histogramcollection xgantt.histogram.nexthistogram messagebox=<value>  | 
xgantt.histogram.[histogramname].propertie
name  | 
return the name of histogram xgantt.histogram.0.name messagebox=<value>  | 
visible=<true/false>  | 
set the visible-Flag of the histogram xgantt.histogram.1.visible=false  | 
fitrangeintoview=<start>=<end>  | 
fit the view in the range  | 
setmaxyvalue=<yValue>  | 
set max-value in skala xgantt.histogram.1.setmaxyvalue=20  | 
setminyvalue=<yValue>  | 
set min-value in skala  | 
xgantt.histogram.[number].curve.propertie
OR
xgantt.histogram.[numer].propertie
Are the names of the properties equal to the histogram properties, the word "curve" should be placed before.
count  | 
return counts of curve xgantt.histogram.1.curve.count messagebox=<value>  | 
add=<namestring>  | 
add a new curve  | 
addbyspecification=<csvstring>  | 
add a new curve with specification csvstring  | 
copy=<fromcurve>=<tocurve>  | 
copy a curve from curvename to curvename xgantt.histogram.1.curve.copy=curve1=curve2  | 
firstcurve  | 
return the name of first curve xgantt.histogram.1.curve.firstcurve messagebox=<value> or xgantt.histogram.1.firstcurve messagebox=<value> 
  | 
nextcurve  | 
name from next curve  | 
remove=<curvename> or del=<..>  | 
delete the curve  | 
xgantt.histogram.[histogramname or number].curve.[curvename or number].propertie
or
xgantt.histogram.[histogramname or number].curve.[curvename or number].propertie
Properties:
curvetype,name,setvalues,specification,clear