---
name: "XtInitializeWidgetClass"
section: "3"
platform: "linux"
package: "libxt"
version: "1.3.1-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/XtInitializeWidgetClass"
---

# XtInitializeWidgetClass(3)

initialize a widget class

## NAME

XtInitializeWidgetClass - initialize a widget class

## SYNTAX

\#include \<X11/Intrinsic.h\>

void XtInitializeWidgetClass(WidgetClass *object\_class*);

## ARGUMENTS

- *object\_class*

  Specifies the object class to initialize.

## DESCRIPTION

If the specified widget class is already initialized, **XtInitializeWidgetClass** returns immediately.

If the class initialization procedure registers type converters, these type converters are not available until the first object of the class or subclass is created or **XtInitializeWidgetClass** is called.

## SEE ALSO

*X Toolkit Intrinsics - C Language Interface*\
 *Xlib - C Language X Interface*