diff --git a/redo/objimpl/windows/control.c b/redo/objimpl/windows/control.c
new file mode 100644
index 00000000..c127ef88
--- /dev/null
+++ b/redo/objimpl/windows/control.c
@@ -0,0 +1,75 @@
+// 27 may 2015
+#include "uipriv_windows.h"
+
+#define HWND(c) ((HWND) uiControlHandle((c)))
+
+void uiWindowsUtilDestroy(HWND hwnd)
+{
+	if (DestroyWindow(hwnd) == 0)
+		logLastError("error destroying window in uiWindowsUtilDestroyWindow()");
+}
+
+void uiWindowsSingleHWNDControlCommitDestroy(uiControl *c)
+{
+	uiWindowsUtilDestroy(HWND(c));
+}
+
+void uiWindowsUtilSetParent(HWND hwnd, uiControl *parent)
+{
+	HWND newParent;
+
+	newParent = utilWindow;
+	if (parent != NULL)
+		newParent = HWND(parent);
+	if (SetParent(hwnd, newParent) == 0)
+		logLastError("error changing window parent in uiWindowsUtilSetParent()");
+}
+
+void uiWindowsSingleHWNDControlCommitSetParent(uiControl *c, uiControl *parent)
+{
+	uiWindowsUtilSetParent(HWND(c), parent);
+}
+
+// TODO resizing
+
+void uiWIndowsUtilShow(HWND hwnd)
+{
+	ShowWindow(hwnd, SW_SHOW);
+}
+
+void uiWindowsSingleHWNDControlCommitShow(uiControl *c)
+{
+	uiWindowsUtilShow(HWND(c));
+}
+
+void uiWindowsUtilHide(HWND hwnd)
+{
+	ShowWindow(hwnd, SW_HIDE);
+}
+
+void uiWindowsSingleHWNDControlCommitHide(uiControl *c)
+{
+	uiWindowsUtilHide(HWND(c));
+}
+
+void uiWIndowsUtilEnable(HWND hwnd)
+{
+	EnableWindow(hwnd, TRUE);
+}
+
+void uiWindowsSingleHWNDControlCommitEnable(uiControl *c)
+{
+	uiWindowsUtilEnable(HWND(c));
+}
+
+void uiWindowsUtilDisable(HWND hwnd)
+{
+	EnableWindow(hwnd, FALSE);
+}
+
+void uiWindowsSingleHWNDControlCommitDisable(uiControl *c)
+{
+	uiWindowsUtilDisable(HWND(c));
+}
+
+// TODO sysfunc and zorder
diff --git a/redo/windows/init.c b/redo/windows/init.c
index 9dc1604b..3c3933d9 100644
--- a/redo/windows/init.c
+++ b/redo/windows/init.c
@@ -144,12 +144,18 @@ const char *uiInit(uiInitOptions *o)
 	if (initDialogHelper(hDefaultIcon, hDefaultCursor) == 0)
 		return loadLastError("initializing the dialog helper");
 
+	// TODO initialize COM
+	// TODO initialize COM security
+	// TODO (windows vista) turn off COM exception handling
+
 	return NULL;
 }
 
 void uiUninit(void)
 {
 	uninitMenus();
+	// TODO uninitialize COM
+	// TODO uninitialize the dialog helper
 	// TODO delete hollow brush
 	if (SetConsoleCtrlHandler(consoleCtrlHandler, FALSE) == 0)
 		logLastError("unregistering console end session handler");