diff --git a/new/test.c b/new/test.c
index 53869e7..cdc157d 100644
--- a/new/test.c
+++ b/new/test.c
@@ -47,13 +47,32 @@ static void setButtonText(uiControl *b, void *data)
 	uiFreeText(text);
 }
 
+static void getCheckboxText(uiControl *b, void *data)
+{
+	char *text;
+
+	text = uiCheckboxText((uiControl *) data);
+	uiEntrySetText(e, text);
+	uiFreeText(text);
+}
+
+static void setCheckboxText(uiControl *b, void *data)
+{
+	char *text;
+
+	text = uiEntryText(e);
+	uiCheckboxSetText((uiControl *) data, text);
+	uiFreeText(text);
+}
+
+uiControl *stacks[3];
+
 int main(int argc, char *argv[])
 {
 	uiInitError *err;
 	uiWindow *w;
-	uiControl *mainStack;
-	uiControl *buttonStack;
 	uiControl *getButton, *setButton;
+	uiControl *spaced;
 
 	err = uiInit(NULL);
 	if (err != NULL) {
@@ -65,29 +84,42 @@ int main(int argc, char *argv[])
 	w = uiNewWindow("Hello", 320, 240);
 	uiWindowOnClosing(w, onClosing, NULL);
 
-	mainStack = uiNewVerticalStack();
-	uiWindowSetChild(w, mainStack);
+	stacks[0] = uiNewVerticalStack();
+	uiWindowSetChild(w, staacks[0]);
 
 	e = uiNewEntry();
-	uiStackAdd(mainStack, e, 0);
+	uiStackAdd(stacks[0], e, 0);
 
-	buttonStack = uiNewHorizontalStack();
+	stacks[1] = uiNewHorizontalStack();
 	getButton = uiNewButton("Get Window Text");
 	uiButtonOnClicked(getButton, getWindowText, w);
 	setButton = uiNewButton("Set Window Text");
 	uiButtonOnClicked(setButton, setWindowText, w);
-	uiStackAdd(buttonStack, getButton, 1);
-	uiStackAdd(buttonStack, setButton, 1);
-	uiStackAdd(mainStack, buttonStack, 0);
+	uiStackAdd(stacks[1], getButton, 1);
+	uiStackAdd(stacks[1], setButton, 1);
+	uiStackAdd(stacks[0], stacks[1], 0);
 
-	buttonStack = uiNewHorizontalStack();
+	stacks[2] = uiNewHorizontalStack();
 	getButton = uiNewButton("Get Button Text");
 	uiButtonOnClicked(getButton, getButtonText, getButton);
 	setButton = uiNewButton("Set Button Text");
 	uiButtonOnClicked(setButton, setButtonText, getButton);
-	uiStackAdd(buttonStack, getButton, 1);
-	uiStackAdd(buttonStack, setButton, 1);
-	uiStackAdd(mainStack, buttonStack, 0);
+	uiStackAdd(stacks[2], getButton, 1);
+	uiStackAdd(stacks[2], setButton, 1);
+	uiStackAdd(stacks[0], stacks[2], 0);
+
+	spaced = uiNewCheckbox("Spaced");
+
+	stacks[3] = uiNewHorizontalStack();
+	getButton = uiNewButton("Get Checkbox Text");
+	uiButtonOnClicked(getButton, getCheckboxText, spaced);
+	setButton = uiNewButton("Set Checkbox Text");
+	uiButtonOnClicked(setButton, setCheckboxText, spaced);
+	uiStackAdd(stacks[3], getButton, 1);
+	uiStackAdd(stacks[3], setButton, 1);
+	uiStackAdd(stacks[0], stacks[3], 0);
+
+	uiStackAdd(stacks[0], spaced, 0);
 
 	uiWindowShow(w);
 	uiMain();
diff --git a/new/ui.h b/new/ui.h
index 435ec28..632a7ba 100644
--- a/new/ui.h
+++ b/new/ui.h
@@ -45,4 +45,8 @@ uiControl *uiNewEntry(void);
 char *uiEntryText(uiControl *);
 void uiEntrySetText(uiControl *, const char *);
 
+uiControl *uiNewCheckbox(const char *);
+char *uiCheckboxText(void);
+void uiCheckboxSetText(uiControl *, const char *);
+
 #endif