一些消息简单罗列

来源：互联网发布：网络信息计量学的特点编辑：程序博客网时间：2024/05/01 13:09

// 例子如下：

#define NUMHOOKS 7

// Global variables

typedef struct _MYHOOKDATA
{
int nType;
HOOKPROC hkprc;
HHOOK hhook;
} MYHOOKDATA;

MYHOOKDATA myhookdata[NUMHOOKS];

LRESULT WINAPI MainWndProc(HWND hwndMain, UINT uMsg, WPARAM wParam,
LPARAM lParam)
{
static BOOL afHooks[NUMHOOKS];
int index;
static HMENU hmenu;

switch (uMsg)
{
case WM_CREATE:

// Save the menu handle.

hmenu = GetMenu(hwndMain);

// Initialize structures with hook data. The menu-item
// identifiers are defined as 0 through 6 in the
// header file. They can be used to identify array
// elements both here and during the WM_COMMAND
// message.

myhookdata[IDM_CALLWNDPROC].nType = WH_CALLWNDPROC;
myhookdata[IDM_CALLWNDPROC].hkprc = CallWndProc;
myhookdata[IDM_CBT].nType = WH_CBT;
myhookdata[IDM_CBT].hkprc = CBTProc;
myhookdata[IDM_DEBUG].nType = WH_DEBUG;
myhookdata[IDM_DEBUG].hkprc = DebugProc;
myhookdata[IDM_GETMESSAGE].nType = WH_GETMESSAGE;
myhookdata[IDM_GETMESSAGE].hkprc = GetMsgProc;
myhookdata[IDM_KEYBOARD].nType = WH_KEYBOARD;
myhookdata[IDM_KEYBOARD].hkprc = KeyboardProc;
myhookdata[IDM_MOUSE].nType = WH_MOUSE;
myhookdata[IDM_MOUSE].hkprc = MouseProc;
myhookdata[IDM_MSGFILTER].nType = WH_MSGFILTER;
myhookdata[IDM_MSGFILTER].hkprc = MessageProc;

// Initialize all flags in the array to FALSE.

memset(afHooks, FALSE, sizeof(afHooks));

return 0;

case WM_COMMAND:
switch (LOWORD(wParam))
{
// The user selected a hook command from the menu.

case IDM_CALLWNDPROC:
case IDM_CBT:
case IDM_DEBUG:
case IDM_GETMESSAGE:
case IDM_KEYBOARD:
case IDM_MOUSE:
case IDM_MSGFILTER:

// Use the menu-item identifier as an index
// into the array of structures with hook data.

index = LOWORD(wParam);

// If the selected type of hook procedure isn't
// installed yet, install it and check the
// associated menu item.

if (!afHooks[index])
{
myhookdata[index].hhook = SetWindowsHookEx(
myhookdata[index].nType,
myhookdata[index].hkprc,
(HINSTANCE) NULL, GetCurrentThreadId());
CheckMenuItem(hmenu, index,
MF_BYCOMMAND | MF_CHECKED);
afHooks[index] = TRUE;
}

// If the selected type of hook procedure is
// already installed, remove it and remove the
// check mark from the associated menu item.

else
{
UnhookWindowsHookEx(myhookdata[index].hhook);
CheckMenuItem(hmenu, index,
MF_BYCOMMAND | MF_UNCHECKED);
afHooks[index] = FALSE;
}

default:
return (DefWindowProc(hwndMain, uMsg, wParam,
lParam));
}
break;

//
// Process other messages.
//

default:
return DefWindowProc(hwndMain, uMsg, wParam, lParam);
}
return NULL;
}

/****************************************************************
WH_CALLWNDPROC hook procedure
****************************************************************/

LRESULT WINAPI CallWndProc(int nCode, WPARAM wParam, LPARAM lParam)
{
CHAR szCWPBuf[256];
CHAR szMsg[16];
HDC hdc;
static int c = 0;
int cch;

if (nCode < 0) // do not process message
return CallNextHookEx(myhookdata[CALLWNDPROC].hhook, nCode,
wParam, lParam);

// Call an application-defined function that converts a message
// constant to a string and copies it to a buffer.

LookUpTheMessage((PMSG) lParam, szMsg);

hdc = GetDC(hwndMain);

switch (nCode)
{
case HC_ACTION:
cch = wsprintf(szCWPBuf,
"CALLWNDPROC - tsk: %ld, msg: %s, %d times ",
wParam, szMsg, c++);
TextOut(hdc, 2, 15, szCWPBuf, cch);
break;

default:
break;
}

ReleaseDC(hwndMain, hdc);
return CallNextHookEx(myhookdata[CALLWNDPROC].hhook, nCode,
wParam, lParam);
}

/****************************************************************
WH_GETMESSAGE hook procedure
****************************************************************/

LRESULT CALLBACK GetMsgProc(int nCode, WPARAM wParam, LPARAM lParam)
{
CHAR szMSGBuf[256];
CHAR szRem[16];
CHAR szMsg[16];
HDC hdc;
static int c = 0;
int cch;

if (nCode < 0) // do not process message
return CallNextHookEx(myhookdata[GETMESSAGE].hhook, nCode,
wParam, lParam);

switch (nCode)
{
case HC_ACTION:
switch (wParam)
{
case PM_REMOVE:
lstrcpy(szRem, "PM_REMOVE");
break;

case PM_NOREMOVE:
lstrcpy(szRem, "PM_NOREMOVE");
break;

default:
lstrcpy(szRem, "Unknown");
break;
}

// Call an application-defined function that converts a
// message constant to a string and copies it to a
// buffer.

LookUpTheMessage((PMSG) lParam, szMsg);

hdc = GetDC(hwndMain);
cch = wsprintf(szMSGBuf,
"GETMESSAGE - wParam: %s, msg: %s, %d times ",
szRem, szMsg, c++);
TextOut(hdc, 2, 35, szMSGBuf, cch);
break;

default:
break;
}

ReleaseDC(hwndMain, hdc);
return CallNextHookEx(myhookdata[GETMESSAGE].hhook, nCode,
wParam, lParam);
}

Top

5 楼zxs218（Frank Zhou）回复于 2002-04-11 10:01:33 得分 0

// 补充

/****************************************************************
WH_DEBUG hook procedure
****************************************************************/

LRESULT CALLBACK DebugProc(int nCode, WPARAM wParam, LPARAM lParam)
{
CHAR szBuf[128];
HDC hdc;
static int c = 0;
int cch;

if (nCode < 0) // do not process message
return CallNextHookEx(myhookdata[DEBUG].hhook, nCode,
wParam, lParam);

hdc = GetDC(hwndMain);

switch (nCode)
{
case HC_ACTION:
cch = wsprintf(szBuf,
"DEBUG - nCode: %d, tsk: %ld, %d times ",
nCode,wParam, c++);
TextOut(hdc, 2, 55, szBuf, cch);
break;

default:
break;
}

ReleaseDC(hwndMain, hdc);
return CallNextHookEx(myhookdata[DEBUG].hhook, nCode, wParam,
lParam);
}

/****************************************************************
WH_CBT hook procedure
****************************************************************/

LRESULT CALLBACK CBTProc(int nCode, WPARAM wParam, LPARAM lParam)
{
CHAR szBuf[128];
CHAR szCode[128];
HDC hdc;
static int c = 0;
int cch;

if (nCode < 0) // do not process message
return CallNextHookEx(myhookdata[CBT].hhook, nCode, wParam,
lParam);

hdc = GetDC(hwndMain);

switch (nCode)
{
case HCBT_ACTIVATE:
lstrcpy(szCode, "HCBT_ACTIVATE");
break;

case HCBT_CLICKSKIPPED:
lstrcpy(szCode, "HCBT_CLICKSKIPPED");
break;

case HCBT_CREATEWND:
lstrcpy(szCode, "HCBT_CREATEWND");
break;

case HCBT_DESTROYWND:
lstrcpy(szCode, "HCBT_DESTROYWND");
break;

case HCBT_KEYSKIPPED:
lstrcpy(szCode, "HCBT_KEYSKIPPED");
break;

case HCBT_MINMAX:
lstrcpy(szCode, "HCBT_MINMAX");
break;

case HCBT_MOVESIZE:
lstrcpy(szCode, "HCBT_MOVESIZE");
break;

case HCBT_QS:
lstrcpy(szCode, "HCBT_QS");
break;

case HCBT_SETFOCUS:
lstrcpy(szCode, "HCBT_SETFOCUS");
break;

case HCBT_SYSCOMMAND:
lstrcpy(szCode, "HCBT_SYSCOMMAND");
break;

default:
lstrcpy(szCode, "Unknown");
break;
}

cch = wsprintf(szBuf, "CBT - nCode: %s, tsk: %ld, %d times ",
szCode, wParam, c++);
TextOut(hdc, 2, 75, szBuf, cch);
ReleaseDC(hwndMain, hdc);
return CallNextHookEx(myhookdata[CBT].hhook, nCode, wParam,
lParam);
}

/****************************************************************
WH_MOUSE hook procedure
****************************************************************/

LRESULT CALLBACK MouseProc(int nCode, WPARAM wParam, LPARAM lParam)
{
CHAR szBuf[128];
CHAR szMsg[16];
HDC hdc;
static int c = 0;
int cch;

if (nCode < 0) // do not process the message
return CallNextHookEx(myhookdata[MOUSE].hhook, nCode,
wParam, lParam);

// Call an application-defined function that converts a message
// constant to a string and copies it to a buffer.

LookUpTheMessage((PMSG) lParam, szMsg);

hdc = GetDC(hwndMain);
cch = wsprintf(szBuf,
"MOUSE - nCode: %d, msg: %s, x: %d, y: %d, %d times ",
nCode, szMsg, LOWORD(lParam), HIWORD(lParam), c++);
TextOut(hdc, 2, 95, szBuf, cch);
ReleaseDC(hwndMain, hdc);
return CallNextHookEx(myhookdata[MOUSE].hhook, nCode, wParam,
lParam);
}

/****************************************************************
WH_KEYBOARD hook procedure
****************************************************************/

LRESULT CALLBACK KeyboardProc(int nCode, WPARAM wParam, LPARAM lParam)
{
CHAR szBuf[128];
HDC hdc;
static int c = 0;
int cch;

if (nCode < 0) // do not process message
return CallNextHookEx(myhookdata[KEYBOARD].hhook, nCode,
wParam, lParam);

hdc = GetDC(hwndMain);
cch = wsprintf(szBuf, "KEYBOARD - nCode: %d, vk: %d, %d times ",
nCode, wParam, c++);
TextOut(hdc, 2, 115, szBuf, cch);
ReleaseDC(hwndMain, hdc);
return CallNextHookEx(myhookdata[KEYBOARD].hhook, nCode, wParam,
lParam);
}

/****************************************************************
WH_MSGFILTER hook procedure
****************************************************************/

LRESULT CALLBACK MessageProc(int nCode, WPARAM wParam, LPARAM lParam)
{
CHAR szBuf[128];
CHAR szMsg[16];
CHAR szCode[32];
HDC hdc;
static int c = 0;
int cch;

if (nCode < 0) // do not process message
return CallNextHookEx(myhookdata[MSGFILTER].hhook, nCode,
wParam, lParam);

switch (nCode)
{
case MSGF_DIALOGBOX:
lstrcpy(szCode, "MSGF_DIALOGBOX");
break;

case MSGF_MENU:
lstrcpy(szCode, "MSGF_MENU");
break;

case MSGF_SCROLLBAR:
lstrcpy(szCode, "MSGF_SCROLLBAR");
break;

default:
wsprintf(szCode, "Unknown: %d", nCode);
break;
}

// Call an application-defined function that converts a message
// constant to a string and copies it to a buffer.

LookUpTheMessage((PMSG) lParam, szMsg);

hdc = GetDC(hwndMain);
cch = wsprintf(szBuf,
"MSGFILTER nCode: %s, msg: %s, %d times ",
szCode, szMsg, c++);
TextOut(hdc, 2, 135, szBuf, cch);
ReleaseDC(hwndMain, hdc);
return CallNextHookEx(myhookdata[MSGFILTER].hhook, nCode,
wParam, lParam);
}