SWT error constant indicating that an attempt was made to subclass an SWT widget class without implementing the <code>checkSubclass()</code> method (value is 43).
For additional information see the comment in <code>Widget.checkSubclass()</code>.
@see org.eclipse.swt.widgets.Widget#checkSubclass
See Implementation
SWT error constant indicating that an attempt was made to subclass an SWT widget class without implementing the <code>checkSubclass()</code> method (value is 43).
For additional information see the comment in <code>Widget.checkSubclass()</code>.
@see org.eclipse.swt.widgets.Widget#checkSubclass