找到一点资料,关于win32 api调用的,自己的笔记,记录在这里 - CNode技术社区

http://www.reddit.com/r/javascript/comments/103fkg/64bit_nodejs_winforms/

var ffi = require('ffi'),
 ref = require('ref'),
 Struct = require('ref-struct'),
 hWnd = new Buffer(8);
var ICCx = Struct({
 'dwSize': 'int32',
 'dwICC': 'int32'
});
var ICCxPtr = ref.refType(ICCx);
var comctl32 = ffi.Library('comctl32', {
 'InitCommonControlsEx': ['int32', [ICCxPtr]]
});
var WndClassEx = Struct({
 'cbSize': 'uint32',
 'style': 'uint32',
 'lpfnWndProc': 'pointer', // callback 'int32', ['pointer', 'uint32', 'int32', 'uint32']
 'cbClsExtra': 'int32',
 'cbWndExtra': 'int32',
 'hInstance': 'pointer', // can be 0?
 'hIcon': 'pointer',
 'hCursor': 'pointer',
 'hbrBackground': 'pointer',
 'lpszMenuName': 'pointer',
 'lpszClassName': 'pointer',
 'hIconSm': 'pointer'
});
var WndClassExPtr = ref.refType(WndClassEx);
var user32 = ffi.Library('user32', {
 'RegisterClassExW': ['int32', [WndClassExPtr]],
 'CreateWindowExW': ['pointer', [
 'int32', 'pointer', 'pointer', 'int32', // style, name, name, style
 'int32', 'int32', 'int32', 'int32', // x, y, w, h
 'pointer', 'pointer', 'pointer', 'pointer' // handles
 ]],
 'DefWindowProcW': ['uint32', ['pointer', 'uint32', 'int32', 'pointer']],
 'ShowWindow': ['bool', ['pointer', 'int32']],
 'UpdateWindow': ['bool', ['pointer']],
 'GetMessageW': ['bool', ['pointer', 'pointer', 'uint32', 'uint32']],
 'TranslateMessageEx': ['bool', ['pointer']],
 'DispatchMessageW': ['uint32', ['pointer']]
});
var kernel32 = ffi.Library('kernel32', {
 'GetModuleHandleExW': ['bool', [
 'int32', 'pointer', 'pointer' // flags, optional LPCTSTR name, ref hModule
 ]], // etc... / kernel32 is your friend!
});
var Msg = Struct({
 'hwnd': 'pointer',
 'message': 'uint32',
 'wParam': 'int32',
 'lParam': 'pointer',
 'time': 'int32',
 'pX': 'int32',
 'pY': 'int32'
});
// App-specific
// Names
var className = new Buffer('Node.js WinForms Class0円', 'ucs-2');
var windowName = new Buffer('Node.js WinForms App0円', 'ucs-2');
// hInstance
var hInstance = new Buffer(8);
kernel32.GetModuleHandleExW(0, null, hInstance);
// WndProc
var WndProc = ffi.Callback('uint32',
 ['pointer', 'uint32', 'int32', 'pointer'],
 function(hwnd, uMsg, wParam, lParam) {
 console.log('Got Message: ' + uMsg + ' /', hwnd.deref());
 var result = 0; // ref.alloc('int32');
 switch(uMsg) {
 default:
 result = user32.DefWindowProcW(hwnd, uMsg, wParam, lParam);
 console.log('DefWindowProc LRESULT: ' + result);
 return result;
 }
 console.log('Sending LRESULT: ' + result.deref())
 return result;
 }
);
// Common Controls
var icc = new ICCx;
icc.dwSize = 8;
icc.dwICC = 0x40ff;
comctl32.InitCommonControlsEx(icc.ref());
// Window Class
var wClass = new WndClassEx;
wClass.cbSize = 80; // x86 = 48
wClass.style = 0;
wClass.lpfnWndProc = WndProc;
wClass.cbClsExtra = 0;
wClass.cbWndExtra = 0;
wClass.hInstance = hInstance;
wClass.hIcon = null;
wClass.hCursor = null;
wClass.hbrBackground = null;
wClass.lpszMenuName = null;
wClass.lpszClassName = className;
wClass.hIconSm = null;
if (!user32.RegisterClassExW(wClass.ref()))
 throw 'Error registering class';
hWnd = user32.CreateWindowExW(
 0,
 className,
 windowName,
 0xcf0000, // overlapped window
 1 << 31, // use default
 1 << 31,
 320,
 200,
 null, null, hInstance, null
);
console.log(hWnd);
user32.ShowWindow(hWnd, 1);
user32.UpdateWindow(hWnd);
// message loop
var msg = new Msg;
var getMsgRes = 0;
while (user32.GetMessageW(msg.ref(), null, 0, 0)) {
 user32.TranslateMessageEx(msg.ref());
 user32.DispatchMessageW(msg.ref());
}
return msg.wParam;

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