Added combo boxes and added some to the main window example.

1 files changed, 16 insertions, 0 deletions

diff --git a/messages.go b/messages.go
index 4459035..e74b9fa 100644
--- a/messages.go
+++ b/messages.go
@@ -6,6 +6,11 @@ import (
 	"unsafe"
 )
 
+// SendMessage constants.
+const (
+	HWND_BROADCAST = HWND(0xFFFF)
+)
+
 type MSG struct {
 	Hwnd	HWND
 	Message	uint32
@@ -19,6 +24,7 @@ var (
 	dispatchMessage = user32.NewProc("DispatchMessageW")
 	getMessage = user32.NewProc("GetMessageW")
 	postQuitMessage = user32.NewProc("PostQuitMessage")
+	sendMessage = user32.NewProc("SendMessageW")
 	translateMessage = user32.NewProc("TranslateMessage")
 )
 
@@ -50,6 +56,16 @@ func PostQuitMessage(nExitCode int) (err error) {
 }
 
 // TODO handle errors
+func SendMessage(hWnd HWND, Msg uint32, wParam WPARAM, lParam LPARAM) (result LRESULT, err error) {
+	r1, _, _ := sendMessage.Call(
+		uintptr(hWnd),
+		uintptr(Msg),
+		uintptr(wParam),
+		uintptr(lParam))
+	return LRESULT(r1), nil
+}
+
+// TODO handle errors
 func TranslateMessage(lpMsg *MSG) (translated bool, err error) {
 	r1, _, _ := translateMessage.Call(uintptr(unsafe.Pointer(lpMsg)))
 	return r1 != 0, nil