Attachment "bgerror.diff" to
ticket [939473ffff]
added by
davidw
2004-04-22 00:58:20.
Index: bgerror.n
===================================================================
RCS file: /cvsroot/tcl/tcl/doc/bgerror.n,v
retrieving revision 1.4
diff -u -r1.4 bgerror.n
--- bgerror.n 7 Sep 2000 14:27:45 -0000 1.4
+++ bgerror.n 21 Apr 2004 17:37:18 -0000
@@ -71,6 +71,23 @@
command when it is evaluated. If either of these options is set to
the empty string, then the additional button will not be displayed in
the dialog.
+.PP
+If you are writing code that will be used by others, consider avoiding
+\fBbgerror\fR. The reason for this is that the end user may also want
+to define a \fBbgerror\fR, or use other code that does and thus will
+have trouble integrating your code.
+
+.SH "EXAMPLE"
+
+This bgerror procedure appends errors to a file, with a timestamp.
+
+.CS
+proc bgerror { message } {
+ set fl [open mylog.txt a]
+ puts $fl "[clock format [clock seconds]] bgerror in $::argv '$message'"
+ close $fl
+}
+.CE
.SH "SEE ALSO"
after(n), tclvars(n)
