07-13-2005
be careful of spaces. You can't have spaces around =
COUNT=`expr $COUNT + 1`
vinos method uses the bash specific syntax
which will run faster as it doesn't need to
start a seperate expr process per increment.
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LEARN ABOUT ULTRIX
dwtscrollbarsetslider
DwtScrollBarSetSlider(3Dwt) DwtScrollBarSetSlider(3Dwt)
Name
DwtScrollBarSetSlider - Sets or changes the current size/position parameters of the slider in the scroll bar widget.
Syntax
void DwtScrollBarSetSlider(widget, value, shown, inc,
page_inc, notify)
Widget widget;
int value;
int shown;
int inc, page_inc;
Boolean notify;
Arguments
widget Specifies the scroll bar widget ID.
value Specifies the scroll bar's top thumb (slider) position between DwtNminValue and DwtNmaxValue. The attribute name associated with
this argument is DwtNvalue.
shown Specifies the size of the slider as a value between zero and the absolute value of DwtNmaxValue minus DwtNminValue. The size of
the slider varies, depending on how much of the slider scroll area it represents. This argument sets the DwtNshown attribute
associated with DwtScrollBarCreate.
inc Specifies the amount of button increment and decrement. If this argument is nonzero, the scroll bar widget automatically adjusts
the slider when an increment or decrement action occurs. This argument sets the DwtNinc attribute associated with DwtScrollBar-
Create.
page_inc Specifies the amount of page increment and decrement. If this argument is nonzero, the scroll bar widget automatically adjusts
the slider when an increment or decrement action occurs. This argument sets the DwtNpageInc attribute associated with DwtScroll-
BarCreate.
notify Specifies a boolean value that, when True, indicates a change in the scroll bar value and that the scroll bar widget automati-
cally activates the DwtNvalueChangedCallback with the recent change. If False, no change in the scroll bar's value has occurred
and DwtNvalueChangedCallback is not activated.
Description
The DwtScrollBarSetSlider function sets or changes the currently displayed scroll bar widget slider for the application. The scroll region
is overlaid with a slider bar that is adjusted in size and position using the main scroll bar or set slider function attributes. The step-
ping arrows and the slider are the scroll activator objects providing the user interface syntax ``feel.''
See Also
DwtScrollBarGetSlider(3Dwt)
Guide to the XUI Toolkit: C Language Binding
Guide to the XUI Toolkit Intrinsics: C Language Binding
DwtScrollBarSetSlider(3Dwt)