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Diffstat (limited to 'doc/HandleEvent.3')
| -rw-r--r-- | doc/HandleEvent.3 | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/doc/HandleEvent.3 b/doc/HandleEvent.3 index ea461d5..6067e6e 100644 --- a/doc/HandleEvent.3 +++ b/doc/HandleEvent.3 @@ -5,7 +5,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: HandleEvent.3,v 1.4 1999/04/21 21:53:22 rjohnson Exp $ +'\" RCS: @(#) $Id: HandleEvent.3,v 1.4.28.1 2010/01/02 10:43:26 dkf Exp $ '\" .so man.macros .TH Tk_HandleEvent 3 "" Tk "Tk Library Procedures" @@ -20,14 +20,15 @@ Tk_HandleEvent \- invoke event handlers for window system events .SH ARGUMENTS .AS XEvent *eventPtr .AP XEvent *eventPtr in -Pointer to X event to dispatch to relevant handler(s). +Pointer to X event to dispatch to relevant handler(s). It is important +that all unused fields of the structure be set to zero. .BE .SH DESCRIPTION .PP \fBTk_HandleEvent\fR is a lower-level procedure that deals with window events. It is called by \fBTcl_ServiceEvent\fR (and indirectly by -\fBTk_DoOneEvent\fR), and in a few other cases within Tk. +\fBTcl_DoOneEvent\fR), and in a few other cases within Tk. It makes callbacks to any window event handlers (created by calls to \fBTk_CreateEventHandler\fR) that match \fIeventPtr\fR and then returns. In some cases |