Very basic stuff working on linux 32-bit with dmd and phobos2.

tests/minwin_gtk/minwin/samples/topgroup.d

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+/* MinWin Sample: Groups of top-level windows
+ *
+ * Written by Ben Hinkle and released to the public domain, as
+ * explained at http://creativecommons.org/licenses/publicdomain
+ * Report comments and bugs at dsource: http://www.dsource.org/projects/minwin
+ */
+
+module minwin.samples.topgroup;
+
+import minwin.all;
+
+extern (C)
+int MinWinMain(Application* app) {
+
+    Window win = new Window("Close window 2");
+    win.cancelCloseDelegate ~= delegate bool(Component c) {
+        // we could pop up a confirm dialog but let's just say
+        // you can't destroy this window
+        return true;
+    };
+
+    Window win2 = new Window("Testing 2");
+    win2.quitOnDestroy = true;
+
+    Group g = new Group(null);
+    g ~= win;
+    g ~= win2;
+
+    static double[2] x = [.5,.5];
+    static double[1] y = [1];
+    g.layoutMgr = new TableLayout(x,y);
+
+    Rect r;
+    r.LTWH(100,100,600,300);
+    g.setBounds(r);
+    g.layout(false);
+
+    g.visible = true;
+
+    return app.enterEventLoop();
+}