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-rw-r--r--ext/tk/README.fork7
1 files changed, 6 insertions, 1 deletions
diff --git a/ext/tk/README.fork b/ext/tk/README.fork
index cda89b003c..707d78fc12 100644
--- a/ext/tk/README.fork
+++ b/ext/tk/README.fork
@@ -4,6 +4,11 @@ process). In the library 'tk.rb', a Tk interpreter is initialized.
Therefore, if you want running Tk under a child process, please call
"require 'tk'" in the child process.
+# If do fork and exec(<new Ruby/Tk>) on the child process, you can
+# control Ruby/Tk interpreter on the child process by 'send' command
+# of Tcl/Tk. About this, please see Tk.appsend and Tk.rb_appsend, or
+# 'remote-tk.rb' and the sample 'sample/remote-ip_sample.rb'.
+
For example, the following sample1 will NOT work, and sample2 will
work properly.
@@ -26,4 +31,4 @@ TkButton.new(:text=>'QUIT', :command=>proc{exit}).pack
Tk.mainloop
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- 2004/04/20 Hidetoshi NAGAI
+ 2004/05/22 Hidetoshi NAGAI