XtSetArg(3X11)          COMMAND REFERENCE          XtSetArg(3X11)



NAME
     XtSetArg, XtMergeArgLists - set and merge ArgLists

SYNOPSIS
     XtSetArg(arg, name, value)
           Arg arg;
           String name;
           XtArgVal value;

     ArgList XtMergeArgLists(args1, num_args1, args2, num_args2)
          ArgList args1;
          Cardinal num_args1;
          ArgList args2;
          Cardinal num_args2;

     This is user-contributed.

ARGUMENTS
     arg       Specifies the name-value pair to set.

     args1     Specifies the first ArgList.

     args2     Specifies the second ArgList.

     num_args1 Specifies the number of arguments in the first
               argument list.

     num_args2 Specifies the number of arguments in the second
               argument list.

     name      Specifies the name of the resource.

     value     Specifies the value of the resource if it will fit
               in an XtArgVal or the address.

DESCRIPTION
     The XtSetArg function is usually used in a highly stylized
     manner to minimize the probability of making a mistake; for
     example:

     Arg args[20];
     int n;

     n = 0;
     XtSetArg(args[n], XtNheight, 100);n++;
     XtSetArg(args[n], XtNwidth, 200);n++;
     XtSetValues(widget, args, n);

     Alternatively, an application can statically declare the
     argument list and use XtNumber:





X Version 11            1 September 1988                        1

XtSetArg(3X11)          COMMAND REFERENCE          XtSetArg(3X11)



     static Args args[] = {
          {XtNheight, (XtArgVal) 100},
          {XtNwidth, (XtArgVal) 200},
     };
     XtSetValues(Widget, args, XtNumber(args));

     Note that you should not use auto-increment or auto-
     decrement within the first argument to XtSetArg.  XtSetArg
     can be implemented as a macro that dereferences the first
     argument twice.

     The XtMergeArgLists function allocates enough storage to
     hold the combined ArgList structures and copies them into
     it.  Note that it does not check for duplicate entries.
     When it is no longer needed, free the returned storage by
     using XtFree.

SEE ALSO
     XtOffset(3x11)
     X Toolkit Intrinsics - C Language Interface
     Xlib - C Language X Interface


































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