From 7d711b817e62eb6c8dee01ea2283fcb1ad90f8ac Mon Sep 17 00:00:00 2001
From: ttate <ttate@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 2 Apr 2002 10:56:13 +0000
Subject: Add ruby-dl

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2324 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/dl/sample/msgbox.rb | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 ext/dl/sample/msgbox.rb

(limited to 'ext/dl/sample/msgbox.rb')

diff --git a/ext/dl/sample/msgbox.rb b/ext/dl/sample/msgbox.rb
new file mode 100644
index 0000000000..091e646091
--- /dev/null
+++ b/ext/dl/sample/msgbox.rb
@@ -0,0 +1,19 @@
+# This script works on Windows.
+
+require 'dl'
+
+User32 = DL.dlopen("user32")
+Kernel32 = DL.dlopen("kernel32")
+
+MB_OK = 0
+MB_OKCANCEL = 1
+
+message_box = User32['MessageBoxA', 'ILSSI']
+r,rs = message_box.call(0, 'ok?', 'error', MB_OKCANCEL)
+
+case r
+when 1
+  print("OK!\n")
+when 2
+  print("Cancel!\n")
+end
-- 
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