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XtConvert(3Xt)		 XT COMPATIBILITY FUNCTIONS	       XtConvert(3Xt)



NAME
  XtConvert, XtDirectConvert - invoke resource converters

SYNTAX
  void XtConvert(w, from_type, from, to_type, to_return)
      Widget w;
      String from_type;
      XrmValuePtr from;
      String to_type;
      XrmValuePtr to_return;

  void XtDirectConvert(converter, args, num_args, from, to_return)
      XtConverter converter;
      XrmValuePtr args;
      Cardinal num_args;
      XrmValuePtr from;
      XrmValuePtr to_return;

ARGUMENTS

  args	    Specifies the argument list that contains the additional argu-
	    ments needed to perform the conversion (often NULL).

  converter Specifies the conversion procedure that is to be called.

  from	    Specifies the value to be converted.

  from_type Specifies the source type.

  num_args  Specifies the number of additional arguments (often zero).

  to_type   Specifies the destination type.

  to_return Returns the converted value.

  w	    Specifies the widget to use for additional arguments (if any are
	    needed).

DESCRIPTION
  The XtConvert function looks up the type converter registered to convert
  from_type to to_type, computes any additional arguments needed, and then
  calls XtDirectConvert.  XtConvert has been replaced by XtConvertAndStore.

  The XtDirectConvert function looks in the converter cache to see if this
  conversion procedure has been called with the specified arguments.  If so,
  it returns a descriptor for information stored in the cache; otherwise, it
  calls the converter and enters the result in the cache.

  Before calling the specified converter, XtDirectConvert sets the return
  value size to zero and the return value address to NULL.  To determine if
  the conversion was successful, the client should check to_return.address
  for non-NULL.	 XtDirectConvert has been replaced by XtCallConverter.

SEE ALSO
  XtAppAddConverter(3Xt), XtStringConversionWarning(3Xt),
  XtConvertAndStore(3Xt), XtCallConverter(3Xt)
  X Toolkit Intrinsics - C Language Interface
  Xlib - C Language X Interface

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