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Chapter 4 ePOS-Print API
4
addVLineBegin method
Adds the beginning of vertical line to the command buffer. Starts to draw vertical lines.
Syntax
addVLineBegin
(x, style);
Parameter
x
:
(
Required
parameter,
Object
type
:
Number)
Specifies
the
start
position
of
the
vertical
line
(in
dots).
Specifies
an
integer
from
0
to
65535.
style
:
(
Optional
parameter,
Object
type
:
String)
Specifies
the
line
type.
Return value
Exception
• Not
available
in
page
mode.
• Vertical
lines
are
drawn
until
their
end
is
specified
by
addVLineEnd
).
Use
this
API
function
with
addVLineEnd.
Constant (style)
Description
LINE_THIN
Solid line: Thin
LINE_MEDIUM
Solid line: Medium
LINE_THICK
Solid line: Thick
LINE_THIN_DOUBLE
Double line: Thin
LINE_MEDIUM_DOUBLE
Double line: Medium
LINE_THICK_DOUBLE
Double line: Thick
undefined (When not specified)
Solid line: Thin
Return value
Object type
ePOS-Print Builder Object
ePOS Builder
Exception
Object type
Parameter " ... " is invalid
Error
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