Windows message space

WINDOWS 消息空间

0       - WM_USER-1     系统使用保留的消息。
WM_USER - 0x7FFF        私有窗口类使用整数消息。
WM_APP  - 0xBFFF        由应用程序使用的消息。
0xC000  - 0xFFFF        RegisterWindowMessage注册的String消息。
>0xFFFF                 保留系统。

OCM__BASE               反射消息基值

//反射消息定义
#define OCM__BASE           (WM_USER+0x1c00)
#define OCM_COMMAND         (OCM__BASE + WM_COMMAND)

#ifdef _WIN32
#define OCM_CTLCOLORBTN     (OCM__BASE + WM_CTLCOLORBTN)
#define OCM_CTLCOLOREDIT    (OCM__BASE + WM_CTLCOLOREDIT)
#define OCM_CTLCOLORDLG     (OCM__BASE + WM_CTLCOLORDLG)
#define OCM_CTLCOLORLISTBOX (OCM__BASE + WM_CTLCOLORLISTBOX)
#define OCM_CTLCOLORMSGBOX  (OCM__BASE + WM_CTLCOLORMSGBOX)
#define OCM_CTLCOLORSCROLLBAR   (OCM__BASE + WM_CTLCOLORSCROLLBAR)
#define OCM_CTLCOLORSTATIC  (OCM__BASE + WM_CTLCOLORSTATIC)
#else
#define OCM_CTLCOLOR        (OCM__BASE + WM_CTLCOLOR)
#endif

#define OCM_DRAWITEM        (OCM__BASE + WM_DRAWITEM)
#define OCM_MEASUREITEM     (OCM__BASE + WM_MEASUREITEM)
#define OCM_DELETEITEM      (OCM__BASE + WM_DELETEITEM)
#define OCM_VKEYTOITEM      (OCM__BASE + WM_VKEYTOITEM)
#define OCM_CHARTOITEM      (OCM__BASE + WM_CHARTOITEM)
#define OCM_COMPAREITEM     (OCM__BASE + WM_COMPAREITEM)
#define OCM_HSCROLL         (OCM__BASE + WM_HSCROLL)
#define OCM_VSCROLL         (OCM__BASE + WM_VSCROLL)
#define OCM_PARENTNOTIFY    (OCM__BASE + WM_PARENTNOTIFY)

#if (WINVER >= 0x0400)
#define OCM_NOTIFY            (OCM__BASE + WM_NOTIFY)
#endif