Tk_GetScrollInfo,  Tk_GetScrollInfoObj  - parse arguments for scrolling
       commands

SYNOPSIS

       #include <tk.h>

       int
       Tk_GetScrollInfo(interp, argc, argv, dblPtr, intPtr)

       int
       Tk_GetScrollInfoObj(interp, objc, objv, dblPtr, intPtr)

ARGUMENTS

       Tcl_Interp   *interp   (in)      Interpreter to use for  error  report-
                                        ing.

       int          argc      (in)      Number of strings in argv array.

       CONST char   *argv[]   (in)      Argument strings.  These represent the
                                        entire widget command,  of  which  the
                                        first  word  is  typically  the widget
                                        name and the second word is  typically
                                        xview or yview.

       int          objc      (in)      Number of Tcl_Obj's in objv array.

       Tcl_Obj *CONST         objv[](in)
                                        Argument objects.  These represent the
                                        entire widget command,  of  which  the
                                        first  word  is  typically  the widget
                                        name and the second word is  typically
                                        xview or yview.

       double       *dblPtr   (out)     Filled  in  with  fraction from moveto
                                        option, if any.

       int          *intPtr   (out)     Filled in with line or page count from
                                        scroll  option, if any.  The value may
                                        be negative.
_________________________________________________________________

DESCRIPTION

       Tk_GetScrollInfo parses the arguments expected by widget scrolling com-
       mands  such  as  xview and yview.  It receives the entire list of words
       that make up a widget  command  and  parses  the  words  starting  with
       argv[2].   The words starting with argv[2] must have one of the follow-
       ing forms:
              moveto fraction
              scroll number units
              scroll number pages

KEYWORDS

       parse, scrollbar, scrolling command, xview, yview



Tk                                    8.0                  Tk_GetScrollInfo(3)