XtConvert man page on BSDi

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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 arguments needed to perform the con-
		 version (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 argu-
		 ments (if any are needed).

DESCRIPTION
       The XtConvert function looks up the type converter regis-
       tered to convert from_type to to_type, computes any addi-
       tional 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       XtConvert has been replaced by XtConvertAndStore.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

X Version 11		Release 6.4				1

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

       sets the return value size to zero and the return value
       address to NULL. To determine if the conversion was suc-
       cessful, 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  XtDirectConvert has been replaced by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

X Version 11		Release 6.4				2

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