From e9f25362bef2616b8074c1d6ec30a1afecf0c178 Mon Sep 17 00:00:00 2001 From: Pietro Gagliardi Date: Mon, 10 Feb 2014 12:44:11 -0500 Subject: Added combo boxes and added some to the main window example. --- messages.go | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'messages.go') 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") ) @@ -49,6 +55,16 @@ func PostQuitMessage(nExitCode int) (err error) { return nil } +// 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))) -- cgit v1.2.3