From 07c791331c507334f33fececbfeb68b97c89a44d Mon Sep 17 00:00:00 2001
From: Pietro Gagliardi <pietro10@mac.com>
Date: Mon, 10 Feb 2014 20:48:08 -0500
Subject: Improved program appearance by setting the correct font, colors, and
 other styles.

---
 windows.go | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'windows.go')

diff --git a/windows.go b/windows.go
index 6f0f4c1..de6fd6f 100644
--- a/windows.go
+++ b/windows.go
@@ -134,6 +134,7 @@ const (
 var (
 	createWindowEx = user32.NewProc("CreateWindowExW")
 	destroyWindow = user32.NewProc("DestroyWindow")
+	enumChildWindows = user32.NewProc("EnumChildWindows")
 	showWindow = user32.NewProc("ShowWindow")
 )
 
@@ -166,6 +167,27 @@ func DestroyWindow(hWnd HWND) (err error) {
 	return nil
 }
 
+type WNDENUMPROC func(hwnd HWND, lParam LPARAM) (cont bool)
+type _WNDENUMPROC func(hwnd HWND, lParam LPARAM) int
+
+func enumChildProc(p WNDENUMPROC) _WNDENUMPROC {
+	return func(hwnd HWND, lParam LPARAM) int {
+		if p(hwnd, lParam) {
+			return TRUE
+		}
+		return FALSE
+	}
+}
+
+// TODO figure out how to handle errors
+func EnumChildWindows(hWndParent HWND, lpEnumFunc WNDENUMPROC, lParam LPARAM) (err error) {
+	enumChildWindows.Call(
+		uintptr(hWndParent),
+		syscall.NewCallback(enumChildProc(lpEnumFunc)),
+		uintptr(lParam))
+	return nil
+}
+
 // TODO figure out how to handle errors
 func ShowWindow(hWnd HWND, nCmdShow int) (previouslyVisible bool, err error) {
 	r1, _, _ := showWindow.Call(
-- 
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