XtSetArg(3Xt)                        BSD                         XtSetArg(3Xt)



NAME
     XtSetArg, XtMergeArgLists - set and merge ArgLists

SYNTAX
     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;

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:

     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(3Xt)
     X Toolkit Intrinsics - C Language Interface
     Xlib - C Language X Interface