DwtScrollBarGetSlider(3Dwt)DwtScrollBarGetSlider(3Dwt)Name
DwtScrollBarGetSlider - Retrieves the current size and position parameters of the slider in the scroll bar widget.
Syntax
void DwtScrollBarGetSlider(widget, value_return, shown_return,
inc_return, pageinc_return)
Widget widget;
int *value_return;
int *shown_return;
int *inc_return;
int *pageinc_return;
Arguments
widget Specifies the scroll bar widget ID.
value_return
Returns the scroll bar's top thumb (slider) position between the DwtNminValue and DwtNmaxValue attributes to the scroll bar wid-
get.
shown_return
Returns 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.
inc_return
Returns the amount of button increment and decrement.
pageinc_return
Returns the amount of page increment and decrement.
Description
The DwtScrollBarGetSlider function returns the currently displayed size/position values of the slider in the scroll bar widget. 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 stepping arrows and the slider are the scroll activator objects providing the user interface syntax ``feel.''
See AlsoDwtScrollBarSetSlider(3Dwt)
Guide to the XUI Toolkit: C Language Binding
Guide to the XUI Toolkit Intrinsics: C Language Binding
DwtScrollBarGetSlider(3Dwt)
Check Out this Related Man Page
DwtScrollWindowSetAreas(3Dwt)DwtScrollWindowSetAreas(3Dwt)Name
DwtScrollWindowSetAreas - Sets up or adds the window region, and the horizontal or vertical scroll bar widgets to the scroll window widget.
Syntax
void DwtScrollWindowSetAreas(widget, horizontal_scroll_bar, vertical_scroll_bar, work_region)
Widget widget;
Widget horizontal_scroll_bar;
Widget vertical_scroll_bar;
Widget work_region;
Arguments
widget Specifies the scroll window widget ID.
horizontal_scroll_bar
Specifies the scroll bar widget ID for the horizontal scroll bar to be associated with the scroll window widget. You can set or
specify this ID only after creating an instance of the main window widget. The attribute name associated with this argument is
DwtNhorizontalScrollBar.
vertical_scroll_bar
Specifies the scroll bar widget ID for the vertical scroll bar to be associated with the scroll window widget. You can set or
specify this ID only after creating an instance of the main window widget. The attribute name associated with this argument is
DwtNverticalScrollBar.
work_region
Specifies the widget ID for the window to be associated with the scroll window work area. You can set or specify this ID only
after you create an instance of the main window widget.
Description
The DwtScrollWindowSetAreas function adds or changes a window work region and a horizontal or vertical scroll bar widget to the scroll win-
dow widget for the application. You must call this function before the scroll window widget is realized, that is, before calling the X
intrinsics function XtRealizeWidget. Each widget is optional and may be passed as NULL.
See AlsoDwtScrollWindow(3Dwt), DwtWindow(3Dwt),
Guide to the XUI Toolkit: C Language Binding
Guide to the XUI Toolkit Intrinsics: C Language Binding
DwtScrollWindowSetAreas(3Dwt)
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