diff --git a/windows/GNUmakeinc.mk b/windows/GNUmakeinc.mk
index fe40521c..b09fcda3 100644
--- a/windows/GNUmakeinc.mk
+++ b/windows/GNUmakeinc.mk
@@ -9,6 +9,7 @@ osCFILES = \
 	windows/container.c \
 	windows/debug.c \
 	windows/entry.c \
+	windows/group.c \
 	windows/init.c \
 	windows/label.c \
 	windows/main.c \
diff --git a/windows/group.c b/windows/group.c
new file mode 100644
index 00000000..eb030377
--- /dev/null
+++ b/windows/group.c
@@ -0,0 +1,86 @@
+// 11 may 2015
+#include "uipriv_windows.h"
+
+struct group {
+	uiGroup g;
+	HWND hwnd;
+	uiBin *bin;
+	void (*baseResize)(uiControl *, intmax_t, intmax_t, intmax_t, intmax_t, uiSizing *);
+};
+
+static BOOL onWM_COMMAND(uiControl *c, WORD code, LRESULT *lResult)
+{
+	return FALSE;
+}
+
+static BOOL onWM_NOTIFY(uiControl *c, NMHDR *nm, LRESULT *lResult)
+{
+	return FALSE;
+}
+
+static void onDestroy(void *data)
+{
+	struct group *g = (struct group *) data;
+
+	uiBinRemoveOSParent(g->bin);
+	uiControlDestroy(uiControl(g->bin));
+	uiFree(g);
+}
+
+static void groupPreferredSize(uiControl *c, uiSizing *d, intmax_t *width, intmax_t *height)
+{
+	// TODO
+}
+
+static void groupResize(uiControl *c, intmax_t x, intmax_t y, intmax_t width, intmax_t height, uiSizing *d)
+{
+	struct group *g = (struct group *) c;
+
+	(*(g->baseResize))(uiControl(g), x, y, width, height, d);
+	// TODO
+}
+
+static void groupSetChild(uiGroup *gg, uiControl *c)
+{
+	struct group *g = (struct group *) gg;
+
+	uiBinSetMainControl(g->bin, c);
+	uiContainerUpdate(uiContainer(g->bin));
+}
+
+uiGroup *uiNewGroup(const char *text)
+{
+	struct group *g;
+	uiWindowsMakeControlParams p;
+	WCHAR *wtext;
+
+	g = uiNew(struct group);
+
+	p.dwExStyle = WS_EX_CONTROLPARENT;
+	p.lpClassName = L"button";
+	wtext = toUTF16(text);
+	p.lpWindowName = wtext;
+	p.dwStyle = BS_GROUPBOX;
+	p.hInstance = hInstance;
+	p.useStandardControlFont = TRUE;
+	p.onWM_COMMAND = onWM_COMMAND;
+	p.onWM_NOTIFY = onWM_NOTIFY;
+	p.onDestroy = onDestroy;
+	p.onDestroyData = g;
+	uiWindowsMakeControl(uiControl(g), &p);
+	uiFree(wtext);
+
+	g->hwnd = (HWND) uiControlHandle(uiControl(g));
+
+	g->bin = newBin();
+	uiBinSetOSParent(g->bin, (uintptr_t) (g->hwnd));
+
+	uiControl(g)->PreferredSize = groupPreferredSize;
+	g->baseResize = uiControl(g)->Resize;
+	uiControl(g)->Resize = groupResize;
+	// TODO enable, disable, sysfunc
+
+	uiGroup(g)->SetChild = groupSetChild;
+
+	return uiGroup(g);
+}