опубликован 21-12-2001 08:05 MSK            

// В DLL

#pragma data_seg(".shared") // переменная в общем сегменте
#pragma data_seg()
int my_variable;
#pragma comment(linker, "/SECTION:.shared,RWS")

int CALLBACK GetMyVariable()
{
return my_variable;
}

опубликован 24-12-2001 10:55 MSK            

Попробуй так:

В .h файле пишешь:

#ifdef _DLL
extern __declspec(dllexport) int GlobalVar;
#else
extern __declspec(dllimport) int GlobalVar;
#endif

Потом в каком-нибудь из .cpp файлов определяешь:
int GlobalVar;

опубликован 26-12-2001 05:33 MSK            

#include "..\hook.h"
#include "Shlwapi.h"
#include "correct.h"

#define WM_MOUSEWHEEL 0x020A

#pragma data_seg(".shared") // ðàçìåùàåì ïåðåìåííóþ â îáùåì ñåãìåíòå ïàìÿòè

HWND ghwndSpyHook = NULL; // the handle back to the executable
HHOOK hhkGetMessage = NULL;
BOOL bHookEnabled = TRUE;

#pragma data_seg()

#pragma comment(linker, "/SECTION:.shared,RWS")

LRESULT __fastcall SafePostMessage(
HWND hWnd, // handle of destination window
UINT Msg, // message to send
WPARAM wParam, // first message parameter
LPARAM lParam // second message parameter
)
{
if(IsWindow(hWnd)) return PostMessage(hWnd, Msg, wParam, lParam);
else return 0;
}

void HandleMButtonUp(WPARAM wParam, LPARAM lParam)
{
keybd_event('C', 0, 0, 0 );
keybd_event('C', 0, KEYEVENTF_KEYUP, 0);
}

void HandleMouseWheel(WPARAM wParam, LPARAM lParam)
{
short zDelta = (short) HIWORD(wParam);

if(zDelta < 0)
{
keybd_event(VK_ADD, 0, 0, 0 );
keybd_event(VK_ADD, 0, KEYEVENTF_KEYUP, 0);
}
else
{
keybd_event(VK_SUBTRACT , 0, 0, 0 );
keybd_event(VK_SUBTRACT , 0, KEYEVENTF_KEYUP, 0);
}
}

BOOL ItIsPCAD(HWND hwnd)
{
char szBuf[MAX_PATH];
GetModuleFileName(0, szBuf, sizeof(szBuf));

if(!StrStrI(szBuf, "pcb.exe")) return FALSE;

GetClassName(hwnd, szBuf, sizeof(szBuf));

if(lstrcmp(szBuf, "AfxFrameOrView42s")) return FALSE;

return TRUE;
}

BOOL LCHookProc(
HWND hwnd,
UINT uiMessage,
WPARAM wParam,
LPARAM lParam
)
{
if (ghwndSpyHook)
{
if(ItIsPCAD(hwnd))
{
if(uiMessage == WM_MOUSEWHEEL)
HandleMouseWheel(wParam, lParam);
if(uiMessage == WM_MBUTTONUP)
HandleMButtonUp(wParam, lParam);
}
}

return FALSE;
}

LRESULT CALLBACK
GetMsgProc(
int hc,
WPARAM wParam,
LPARAM lParam
)
{
PMSG pmsg;

pmsg = (PMSG)lParam;

if(bHookEnabled && hc == HC_ACTION && pmsg && pmsg->hwnd && wParam == PM_REMOVE)
{

LCHookProc(pmsg->hwnd, pmsg->message, pmsg->wParam, pmsg->lParam);
}

return CallNextHookEx(hhkGetMessage, hc, wParam, lParam);
}

BOOL CALLBACK SetHook(BOOL fSet, HWND hwndSpy)
{

if (fSet)
{
if (!hhkGetMessage)
{
ghwndSpyHook = hwndSpy;

if (!(hhkGetMessage = SetWindowsHookEx(WH_GETMESSAGE,
(HOOKPROC)GetMsgProc, GetModuleHandle("hook.dll"), 0)))
{
return FALSE;
}
}
}
else
{
if (hhkGetMessage)
{
UnhookWindowsHookEx(hhkGetMessage);
hhkGetMessage = NULL;
}
}

return TRUE;
}

BOOL CALLBACK EnableHook(BOOL bEnable)
{
BOOL bEnableStateOld = bHookEnabled;
bHookEnabled = bEnable;
return bEnableStateOld;
}

/// Теперь код HOOK.h

BOOL CALLBACK SetHook(BOOL fSet, HWND hwndSpy);
BOOL CALLBACK EnableHook(BOOL bEnable);

/// Тут даже лишнего много, EnableHook не обязателен.

/// Вот некоторый код для EXE. Обычный EXE (Dialog based).

BOOL CPCADWheelDlg::OnInitDialog()
{
CDialog::OnInitDialog();

// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog

if(!SetHook(TRUE, GetSafeHwnd()))
{
AfxMessageBox("Îøèáêà óñòàíîâêè ëîâóøêè.", MB_ICONSTOP);
PostMessage(WM_COMMAND, IDCANCEL);
};

AddTrayIcon();

return TRUE; // return TRUE unless you set the focus to a control
}