#load "Windows.kl"
WNDPROC :: (hwnd: HWND, uMsg: UINT, wParam: WPARAM, lParam: LPARAM): LRESULT
WNDCLASSW :: struct;; style: UINT; lpfnWndProc: WNDPROC; cbClsExtra: int; cbWndExtra: int; hInstance: HINSTANCE; hIcon: HICON; hCursor: HCURSOR; hbrBackground: HBRUSH; lpszMenuName: LPCWSTR; lpszClassName: LPCWSTR

PostQuitMessage :: #foreign(nExitCode: int)
DefWindowProc :: #foreign (hwnd: HWND, uMsg: UINT, wParam: WPARAM, lParam: LPARAM): LRESULT
GetDC :: #foreign (hWnd: HWND): HDC
CreateWindowA :: #foreign (dwExStyle: DWORD, lpClassName: *char, lpWindowName: *char, dwStyle: DWORD, X: int, Y: int, nWidth: int, nHeight: int, hWndParent: HWND, hMenu: HMENU, hInstance: HINSTANCE, lpParam: *void): HWND
CreateWindowExW :: #foreign (dwExStyle: DWORD, lpClassName: LPCWSTR, lpWindowName: LPCWSTR, dwStyle: DWORD, X: int, Y: int, nWidth: int, nHeight: int, hWndParent: HWND, hMenu: HMENU, hInstance: HINSTANCE, lpPara: LPVOID): HWND

WM_NULL :: 0x0000;; WM_CREATE :: 0x0001; WM_DESTROY :: 0x0002; WM_MOVE :: 0x0003; WM_SIZE :: 0x0005
WM_ACTIVATE :: 0x0006;; WA_INACTIVE :: 0; WA_ACTIVE :: 1; WA_CLICKACTIVE :: 2
WM_SETFOCUS :: 0x0007;; WM_KILLFOCUS :: 0x0008; WM_ENABLE :: 0x000A; WM_SETREDRAW :: 0x000B; WM_SETTEXT :: 0x000C; WM_GETTEXT :: 0x000D; WM_GETTEXTLENGTH :: 0x000E; WM_PAINT :: 0x000F; WM_CLOSE :: 0x0010