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Printer lists and reports
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Building a list in Windows is just a little more sophisticated task
than in DOS, mainly because we are working in a graphical environment.
This means that we may want to mix graphics and text and also that
the text may use different kinds of fonts. This creates a new kind
of sophistication.
We are working on the idea of making lists as easy as doing
SET DEVICE TO..., but in this first release it is not completely
ready (but as you will see in a moment is extremely easy):
We have created a Printer Object, which automatically controls all the
printing processes. To create it we do:
PRINT <ObjectName> [ NAME <ReportName> ]
and finish with it:
ENDPRINT
<ObjectName> is the Object that automatically gets created. The NAME
clause is the name Windows will show in the Windows standard printing
spooler.
Now, to start printing a page you do:
PAGE
and to end:
ENDPAGE
As soon as you create the Printer Object the standard Windows Dialog
Box will appear letting you select the different implementations.
You may use as many fonts as you wish, to do it you have to create some
FONT objects:
DEFINE FONT fntArial NAME "Arial" SIZE 40, 20
...
After printing you have to destroy them:
RELEASE FONT fntArial
Here you have a complete example:
function MakesList( oLbx ) // oLbx is a TWBrowse which we want to
// repaint after listing...
local oPrn, fntArial
local nRow := 1, nRec := Recno()
GO TOP
DEFINE FONT fntArial NAME "Arial" SIZE 40, 60
PRINT oPrn NAME "Clients" // Name the List Box Generated
PAGE
while ! EoF()
oPrn:Say( nRow, 1, Clients->Name, fntArial )
nRow += fntArial:nHeight
//jhs get translated
if nRow > 50 * fntArial:nHeight // N. of lines x Character height
nRow = 1 // We have to calculate
ENDPAGE // the number of lines we may
PAGE // use with a certain font
endif
SKIP
end
ENDPAGE
ENDPRINT
GOTO nRec
RELEASE FONT fntArial
return
See Also:
TPrinter
Commands
Print.ch
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