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XtAppAddBlockHook(3)                            XT FUNCTIONS                            XtAppAddBlockHook(3)



NAME
       XtAppAddBlockHook, XtRemoveBlockHook - register a block hook procedure

SYNTAX
       XtBlockHookId XtAppAddBlockHook(XtAppContext app_context, XtBlockHookProc proc, XtPointer
              client_data);

       void XtRemoveBlockHook(XtBlockHookId id);

ARGUMENTS
       app_context
                 Specifies the application context.

       proc      Specifies the block hook procedure.

       num_args  Specifies the application-specific data to be passed to the block hook.

DESCRIPTION
       XtAppAddBlockHook registers the specified procedure and returns an identifier for it.  The hook is
       called at any time in the future when the Intrinsics are about to block pending some input.

       Block hook procedures are removed automatically and the XtBlockHookId is destroyed when the applica-tion application
       tion context in which they were added is destroyed.

       XtRemoveBlockHook removes the specified block hook procedure from the list in which it was regis-tered. registered.
       tered.

SEE ALSO
       X Toolkit Intrinsics - C Language Interface
       Xlib - C Language X Interface



X Version 11                                     libXt 1.0.5                            XtAppAddBlockHook(3)